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#618BB4

#618bb4 ≈ Air Force Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#618bb4 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 38.04% red, 54.51% green and 70.59% blue; printed in CMYK it uses 46.11% cyan, 22.78% magenta, 0% yellow and 29.41% black. Its hue angle is 209.64°, with 35.62% saturation and 54.31% 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 5.86:1 (WCAG AA). The closest named color is Air Force Blue (#5d8aa8), ΔE 3.93.

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 luminance0.243

Complementary

  1. #618bb4
  2. #b48a61

Split complementary

  1. #618bb4
  2. #b46161
  3. #b4b361

Analogous

  1. #61b4b3
  2. #618bb4
  3. #6161b4

Triadic

  1. #618bb4
  2. #b4618b
  3. #8bb461

Tetradic

  1. #618bb4
  2. #8a61b4
  3. #b48a61
  4. #8bb461

Square

  1. #618bb4
  2. #b361b4
  3. #b48a61
  4. #61b461

Monochromatic

  1. #283e54
  2. #416588
  3. #618bb4
  4. #95b1cd
  5. #c9d7e5

Shades

#618bb4 mixed progressively with black.

  1. #618bb4
  2. #577da2
  3. #4e6f90
  4. #44617e
  5. #3a536c
  6. #31465a
  7. #273848
  8. #1d2a36
  9. #131c24
  10. #0a0e12
  11. #000000

Tints

#618bb4 mixed progressively with white.

  1. #618bb4
  2. #7197bc
  3. #81a2c3
  4. #90aecb
  5. #a0b9d2
  6. #b0c5da
  7. #c0d1e1
  8. #d0dce9
  9. #dfe8f0
  10. #eff3f8
  11. #ffffff

Tones

#618bb4 mixed progressively with gray.

  1. #618bb4
  2. #648aaf
  3. #6789aa
  4. #6a88a4
  5. #6d879f
  6. #71869a
  7. #748495
  8. #778390
  9. #7a828a
  10. #7d8185
  11. #808080

Readable text 3.58:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.86:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #7a899b ≈ 0.001% of males
Protanopia #7b8cb6 ≈ 1.01% of males
Deuteranopia #7083b3 ≈ 1.27% of males
Tritanopia #3e9499 ≈ 0.0001% of males
Protanomaly #718cb5 ≈ 1.08% of males
Deuteranomaly #6a87b4 ≈ 4.63% of males
Tritanomaly #4e91a4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-618bb4 {
  color: #618bb4;
}
Background
.bg-618bb4 {
  background-color: #618bb4;
  color: #000000;
}
Border
.border-618bb4 {
  border: 2px solid #618bb4;
}
CSS variables
:root {
  --color-primary: #618bb4;
  --color-primary-rgb: 97 139 180;
  --color-primary-hsl: 210 36% 54%;
}
Gradient
.gradient-618bb4 {
  background: linear-gradient(135deg, #618bb4, #6161b4);
}
Colored shadow
.shadow-618bb4 {
  box-shadow: 0 8px 24px rgb(97 139 180 / 0.35);
}

#5d8aa8 Air Force Blue ΔE 3.93 #6082b6 Glaucous ΔE 4.17 #4682b4 Steel Blue ΔE 4.65 #5b92e5 United Nations Blue ΔE 5.81 #417dc1 Tufts Blue ΔE 6.09 #318ce7 Bleu de France ΔE 6.21 #6495ed Cornflower Blue ΔE 6.95 #9e744b Inverted #878787 Grayscale 

Air Force Blue
#618bb4  rgb(97, 139, 180)  hsl(210, 36%, 54%)  Air Force Blue
#b48a61  rgb(180, 138, 97)  hsl(30, 36%, 54%)  Camel
#b4618b  rgb(180, 97, 139)  hsl(330, 36%, 54%)  Mulberry
#8bb461  rgb(139, 180, 97)  hsl(90, 36%, 54%)  Olivine