ColorTool
Log in
#4287C5

#4287c5 ≈ Steel Blue

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

#4287c5 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 77.25% blue; printed in CMYK it uses 66.5% cyan, 31.47% magenta, 0% yellow and 22.75% black. Its hue angle is 208.4°, with 53.04% saturation and 51.57% 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 5.5:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 2.59.

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 luminance0.2252

Complementary

  1. #4287c5
  2. #c58042

Split complementary

  1. #4287c5
  2. #c54245
  3. #c5c242

Analogous

  1. #42c5c2
  2. #4287c5
  3. #4245c5

Triadic

  1. #4287c5
  2. #c54287
  3. #87c542

Tetradic

  1. #4287c5
  2. #8042c5
  3. #c58042
  4. #87c542

Square

  1. #4287c5
  2. #c242c5
  3. #c58042
  4. #45c542

Monochromatic

  1. #1a3954
  2. #2c608f
  3. #4287c5
  4. #7dacd7
  5. #b7d1e9

Shades

#4287c5 mixed progressively with black.

  1. #4287c5
  2. #3b7ab1
  3. #356c9e
  4. #2e5f8a
  5. #285176
  6. #214463
  7. #1a364f
  8. #14293b
  9. #0d1b27
  10. #070e14
  11. #000000

Tints

#4287c5 mixed progressively with white.

  1. #4287c5
  2. #5593cb
  3. #689fd1
  4. #7babd6
  5. #8eb7dc
  6. #a1c3e2
  7. #b3cfe8
  8. #c6dbee
  9. #d9e7f3
  10. #ecf3f9
  11. #ffffff

Tones

#4287c5 mixed progressively with gray.

  1. #4287c5
  2. #4886be
  3. #4e86b7
  4. #5585b0
  5. #5b84a9
  6. #6184a3
  7. #67839c
  8. #6d8295
  9. #74818e
  10. #7a8187
  11. #808080

Readable text 3.82:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.5:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #838383 ≈ 0.003% of males
Achromatomaly #6e84a1 ≈ 0.001% of males
Protanopia #6c89c8 ≈ 1.01% of males
Deuteranopia #5a7dc4 ≈ 1.27% of males
Tritanopia #00969d ≈ 0.0001% of males
Protanomaly #5e89c7 ≈ 1.08% of males
Deuteranomaly #5181c4 ≈ 4.63% of males
Tritanomaly #0090ae ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-4287c5 {
  color: #4287c5;
}
Background
.bg-4287c5 {
  background-color: #4287c5;
  color: #000000;
}
Border
.border-4287c5 {
  border: 2px solid #4287c5;
}
CSS variables
:root {
  --color-primary: #4287c5;
  --color-primary-rgb: 66 135 197;
  --color-primary-hsl: 208 53% 52%;
}
Gradient
.gradient-4287c5 {
  background: linear-gradient(135deg, #4287c5, #4245c5);
}
Colored shadow
.shadow-4287c5 {
  box-shadow: 0 8px 24px rgb(66 135 197 / 0.35);
}

#4682b4 Steel Blue ΔE 2.59 #318ce7 Bleu de France ΔE 3.61 #417dc1 Tufts Blue ΔE 3.87 #1e90ff Dodger Blue ΔE 5.92 #6082b6 Glaucous ΔE 5.98 #5d8aa8 Air Force Blue ΔE 6.17 #5b92e5 United Nations Blue ΔE 6.33 #bd783a Inverted #838383 Grayscale 

Steel Blue
#4287c5  rgb(66, 135, 197)  hsl(208, 53%, 52%)  Steel Blue
#c58042  rgb(197, 128, 66)  hsl(28, 53%, 52%)  Peru
#c54287  rgb(197, 66, 135)  hsl(328, 53%, 52%)  Mulberry
#87c542  rgb(135, 197, 66)  hsl(88, 53%, 52%)  Yellow Green