ColorTool
Log in
#4287C3

#4287c3 ≈ Steel Blue

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

#4287c3 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 25.88% red, 52.94% green and 76.47% blue; printed in CMYK it uses 66.15% cyan, 30.77% magenta, 0% yellow and 23.53% black. Its hue angle is 207.91°, with 51.81% saturation and 51.18% 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 5.49:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 2.4.

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 luminance0.2243

Complementary

  1. #4287c3
  2. #c37e42

Split complementary

  1. #4287c3
  2. #c34247
  3. #c3bf42

Analogous

  1. #42c3bf
  2. #4287c3
  3. #4247c3

Triadic

  1. #4287c3
  2. #c34287
  3. #87c342

Tetradic

  1. #4287c3
  2. #7e42c3
  3. #c37e42
  4. #87c342

Square

  1. #4287c3
  2. #bf42c3
  3. #c37e42
  4. #47c342

Monochromatic

  1. #1a3852
  2. #2c608c
  3. #4287c3
  4. #7cacd5
  5. #b6d1e8

Shades

#4287c3 mixed progressively with black.

  1. #4287c3
  2. #3b7ab0
  3. #356c9c
  4. #2e5f89
  5. #285175
  6. #214462
  7. #1a364e
  8. #14293b
  9. #0d1b27
  10. #070e14
  11. #000000

Tints

#4287c3 mixed progressively with white.

  1. #4287c3
  2. #5593c9
  3. #689fcf
  4. #7babd5
  5. #8eb7db
  6. #a1c3e1
  7. #b3cfe7
  8. #c6dbed
  9. #d9e7f3
  10. #ecf3f9
  11. #ffffff

Tones

#4287c3 mixed progressively with gray.

  1. #4287c3
  2. #4886bc
  3. #4e86b6
  4. #5585af
  5. #5b84a8
  6. #6184a2
  7. #67839b
  8. #6d8294
  9. #74818d
  10. #7a8187
  11. #808080

Readable text 3.83:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.49:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #828282 ≈ 0.003% of males
Achromatomaly #6e84a0 ≈ 0.001% of males
Protanopia #6d89c6 ≈ 1.01% of males
Deuteranopia #5b7dc2 ≈ 1.27% of males
Tritanopia #00959c ≈ 0.0001% of males
Protanomaly #5e88c5 ≈ 1.08% of males
Deuteranomaly #5281c2 ≈ 4.63% of males
Tritanomaly #0090ad ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-4287c3 {
  color: #4287c3;
}
Background
.bg-4287c3 {
  background-color: #4287c3;
  color: #000000;
}
Border
.border-4287c3 {
  border: 2px solid #4287c3;
}
CSS variables
:root {
  --color-primary: #4287c3;
  --color-primary-rgb: 66 135 195;
  --color-primary-hsl: 208 52% 51%;
}
Gradient
.gradient-4287c3 {
  background: linear-gradient(135deg, #4287c3, #4247c3);
}
Colored shadow
.shadow-4287c3 {
  box-shadow: 0 8px 24px rgb(66 135 195 / 0.35);
}

#4682b4 Steel Blue ΔE 2.40 #318ce7 Bleu de France ΔE 3.86 #417dc1 Tufts Blue ΔE 3.96 #5d8aa8 Air Force Blue ΔE 5.98 #6082b6 Glaucous ΔE 6.08 #1e90ff Dodger Blue ΔE 6.14 #5b92e5 United Nations Blue ΔE 6.56 #bd783c Inverted #828282 Grayscale 

Steel Blue
#4287c3  rgb(66, 135, 195)  hsl(208, 52%, 51%)  Steel Blue
#c37e42  rgb(195, 126, 66)  hsl(28, 52%, 51%)  Peru
#c34287  rgb(195, 66, 135)  hsl(328, 52%, 51%)  Mulberry
#87c342  rgb(135, 195, 66)  hsl(88, 52%, 51%)  Yellow Green