ColorTool
Log in
#258CD3

#258cd3 ≈ Bleu de France

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

#258cd3 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 14.51% red, 54.9% green and 82.75% blue; printed in CMYK it uses 82.46% cyan, 33.65% magenta, 0% yellow and 17.25% black. Its hue angle is 204.48°, with 70.16% saturation and 48.63% 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 5.77:1 (WCAG AA). The closest named color is Bleu de France (#318ce7), ΔE 3.67.

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 luminance0.2385

Complementary

  1. #258cd3
  2. #d36c25

Split complementary

  1. #258cd3
  2. #d32535
  3. #d3c325

Analogous

  1. #25d3c3
  2. #258cd3
  3. #2535d3

Triadic

  1. #258cd3
  2. #d3258c
  3. #8cd325

Tetradic

  1. #258cd3
  2. #6c25d3
  3. #d36c25
  4. #8cd325

Square

  1. #258cd3
  2. #c325d3
  3. #d36c25
  4. #35d325

Monochromatic

  1. #0e3651
  2. #1a6192
  3. #258cd3
  4. #61aee3
  5. #a2d0ef

Shades

#258cd3 mixed progressively with black.

  1. #258cd3
  2. #217ebe
  3. #1e70a9
  4. #1a6294
  5. #16547f
  6. #13466a
  7. #0f3854
  8. #0b2a3f
  9. #071c2a
  10. #040e15
  11. #000000

Tints

#258cd3 mixed progressively with white.

  1. #258cd3
  2. #3b98d7
  3. #51a3dc
  4. #66afe0
  5. #7cbae5
  6. #92c6e9
  7. #a8d1ed
  8. #beddf2
  9. #d3e8f6
  10. #e9f4fb
  11. #ffffff

Tones

#258cd3 mixed progressively with gray.

  1. #258cd3
  2. #2e8bcb
  3. #378ac2
  4. #4088ba
  5. #4987b2
  6. #5386aa
  7. #5c85a1
  8. #658499
  9. #6e8291
  10. #778188
  11. #808080

Readable text 3.64:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.77:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #868686 ≈ 0.003% of males
Achromatomaly #6c88aa ≈ 0.001% of males
Protanopia #6a8fd6 ≈ 1.01% of males
Deuteranopia #527fd2 ≈ 1.27% of males
Tritanopia #009da6 ≈ 0.0001% of males
Protanomaly #578ed5 ≈ 1.08% of males
Deuteranomaly #4484d2 ≈ 4.63% of males
Tritanomaly #0097ba ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-258cd3 {
  color: #258cd3;
}
Background
.bg-258cd3 {
  background-color: #258cd3;
  color: #000000;
}
Border
.border-258cd3 {
  border: 2px solid #258cd3;
}
CSS variables
:root {
  --color-primary: #258cd3;
  --color-primary-rgb: 37 140 211;
  --color-primary-hsl: 204 70% 49%;
}
Gradient
.gradient-258cd3 {
  background: linear-gradient(135deg, #258cd3, #2535d3);
}
Colored shadow
.shadow-258cd3 {
  box-shadow: 0 8px 24px rgb(37 140 211 / 0.35);
}

#318ce7 Bleu de France ΔE 3.67 #4682b4 Steel Blue ΔE 4.95 #1e90ff Dodger Blue ΔE 5.44 #417dc1 Tufts Blue ΔE 6.63 #56a0d3 Carolina Blue ΔE 7.14 #5b92e5 United Nations Blue ΔE 7.26 #5d8aa8 Air Force Blue ΔE 7.47 #da732c Inverted #868686 Grayscale 

Bleu de France
#258cd3  rgb(37, 140, 211)  hsl(204, 70%, 49%)  Bleu de France
#d36c25  rgb(211, 108, 37)  hsl(24, 70%, 49%)  Chocolate
#d3258c  rgb(211, 37, 140)  hsl(324, 70%, 49%)  Medium Violet Red
#8cd325  rgb(140, 211, 37)  hsl(84, 70%, 49%)  Yellow Green