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#6399BC

#6399bc ≈ Carolina Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#6399bc is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 38.82% red, 60% green and 73.73% blue; printed in CMYK it uses 47.34% cyan, 18.62% magenta, 0% yellow and 26.27% black. Its hue angle is 203.6°, with 39.91% saturation and 56.27% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. Black text on this color reaches a contrast ratio of 6.81:1 (WCAG AA). The closest named color is Carolina Blue (#56a0d3), ΔE 4.02.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6699cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2907

Complementary

  1. #6399bc
  2. #bc8663

Split complementary

  1. #6399bc
  2. #bc636c
  3. #bcb263

Analogous

  1. #63bcb2
  2. #6399bc
  3. #636cbc

Triadic

  1. #6399bc
  2. #bc6399
  3. #99bc63

Tetradic

  1. #6399bc
  2. #8663bc
  3. #bc8663
  4. #99bc63

Square

  1. #6399bc
  2. #b263bc
  3. #bc8663
  4. #6cbc63

Monochromatic

  1. #28495e
  2. #3f7293
  3. #6399bc
  4. #98bcd3
  5. #cedfea

Shades

#6399bc mixed progressively with black.

  1. #6399bc
  2. #598aa9
  3. #4f7a96
  4. #456b84
  5. #3b5c71
  6. #324d5e
  7. #283d4b
  8. #1e2e38
  9. #141f26
  10. #0a0f13
  11. #000000

Tints

#6399bc mixed progressively with white.

  1. #6399bc
  2. #73a3c3
  3. #82adc9
  4. #92b8d0
  5. #a1c2d7
  6. #b1ccde
  7. #c1d6e4
  8. #d0e0eb
  9. #e0ebf2
  10. #eff5f8
  11. #ffffff

Tones

#6399bc mixed progressively with gray.

  1. #6399bc
  2. #6697b6
  3. #6994b0
  4. #6c92aa
  5. #6f8fa4
  6. #728d9e
  7. #748a98
  8. #778892
  9. #7a858c
  10. #7d8386
  11. #808080

Readable text 3.08:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 6.81:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #939393 ≈ 0.003% of males
Achromatomaly #8295a5 ≈ 0.001% of males
Protanopia #8998be ≈ 1.01% of males
Deuteranopia #7d8fbb ≈ 1.27% of males
Tritanopia #3aa2a4 ≈ 0.0001% of males
Protanomaly #7c98bd ≈ 1.08% of males
Deuteranomaly #7493bc ≈ 4.63% of males
Tritanomaly #4e9eae ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-6399bc {
  color: #6399bc;
}
Background
.bg-6399bc {
  background-color: #6399bc;
  color: #000000;
}
Border
.border-6399bc {
  border: 2px solid #6399bc;
}
CSS variables
:root {
  --color-primary: #6399bc;
  --color-primary-rgb: 99 153 188;
  --color-primary-hsl: 204 40% 56%;
}
Gradient
.gradient-6399bc {
  background: linear-gradient(135deg, #6399bc, #636cbc);
}
Colored shadow
.shadow-6399bc {
  box-shadow: 0 8px 24px rgb(99 153 188 / 0.35);
}

#56a0d3 Carolina Blue ΔE 4.02 #71a6d2 Iceberg ΔE 5.03 #5d8aa8 Air Force Blue ΔE 5.16 #73a9c2 Moonstone Blue ΔE 6.03 #5b92e5 United Nations Blue ΔE 7.49 #6495ed Cornflower Blue ΔE 8.04 #318ce7 Bleu de France ΔE 8.23 #9c6643 Inverted #939393 Grayscale 

Carolina Blue
#6399bc  rgb(99, 153, 188)  hsl(204, 40%, 56%)  Carolina Blue
#bc8663  rgb(188, 134, 99)  hsl(24, 40%, 56%)  Cafe au Lait
#bc6399  rgb(188, 99, 153)  hsl(324, 40%, 56%)  Mulberry
#99bc63  rgb(153, 188, 99)  hsl(84, 40%, 56%)  Olivine