ColorTool
Log in
#3F80DA

#3f80da ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#3f80da is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 24.71% red, 50.2% green and 85.49% blue; printed in CMYK it uses 71.1% cyan, 41.28% magenta, 0% yellow and 14.51% black. Its hue angle is 214.84°, with 67.69% saturation and 55.1% 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 5.31:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.92.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3399cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2156

Complementary

  1. #3f80da
  2. #da993f

Split complementary

  1. #3f80da
  2. #da4c3f
  3. #ceda3f

Analogous

  1. #3fceda
  2. #3f80da
  3. #4c3fda

Triadic

  1. #3f80da
  2. #da3f80
  3. #80da3f

Tetradic

  1. #3f80da
  2. #993fda
  3. #da993f
  4. #80da3f

Square

  1. #3f80da
  2. #da3fce
  3. #da993f
  4. #3fda4c

Monochromatic

  1. #15396b
  2. #215bab
  3. #3f80da
  4. #7faae6
  5. #bfd5f3

Shades

#3f80da mixed progressively with black.

  1. #3f80da
  2. #3973c4
  3. #3266ae
  4. #2c5a99
  5. #264d83
  6. #20406d
  7. #193357
  8. #132641
  9. #0d1a2c
  10. #060d16
  11. #000000

Tints

#3f80da mixed progressively with white.

  1. #3f80da
  2. #528dde
  3. #6599e1
  4. #79a6e5
  5. #8cb3e9
  6. #9fc0ed
  7. #b2ccf0
  8. #c5d9f4
  9. #d9e6f8
  10. #ecf2fb
  11. #ffffff

Tones

#3f80da mixed progressively with gray.

  1. #3f80da
  2. #4680d1
  3. #4c80c8
  4. #5380bf
  5. #5980b6
  6. #6080ad
  7. #6680a4
  8. #6d809b
  9. #738092
  10. #7a8089
  11. #808080

Readable text 3.95:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.31:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #808080 ≈ 0.003% of males
Achromatomaly #6c80ab ≈ 0.001% of males
Protanopia #5588de ≈ 1.01% of males
Deuteranopia #3b79d8 ≈ 1.27% of males
Tritanopia #0095a2 ≈ 0.0001% of males
Protanomaly #4d85dc ≈ 1.08% of males
Deuteranomaly #3d7cd9 ≈ 4.63% of males
Tritanomaly #008dbb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3f80da {
  color: #3f80da;
}
Background
.bg-3f80da {
  background-color: #3f80da;
  color: #000000;
}
Border
.border-3f80da {
  border: 2px solid #3f80da;
}
CSS variables
:root {
  --color-primary: #3f80da;
  --color-primary-rgb: 63 128 218;
  --color-primary-hsl: 215 68% 55%;
}
Gradient
.gradient-3f80da {
  background: linear-gradient(135deg, #3f80da, #4c3fda);
}
Colored shadow
.shadow-3f80da {
  box-shadow: 0 8px 24px rgb(63 128 218 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.92 #4682b4 Steel Blue ΔE 4.77 #318ce7 Bleu de France ΔE 4.81 #6082b6 Glaucous ΔE 5.23 #0073cf True Blue ΔE 5.84 #5b92e5 United Nations Blue ΔE 6.24 #0070ff Brandeis Blue ΔE 6.28 #c07f25 Inverted #808080 Grayscale 

Tufts Blue
#3f80da  rgb(63, 128, 218)  hsl(215, 68%, 55%)  Tufts Blue
#da993f  rgb(218, 153, 63)  hsl(35, 68%, 55%)  Indian Yellow
#da3f80  rgb(218, 63, 128)  hsl(335, 68%, 55%)  Telemagenta
#80da3f  rgb(128, 218, 63)  hsl(95, 68%, 55%)  Yellow Green