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#237DB9

#237db9 ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#237db9 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 13.73% red, 49.02% green and 72.55% blue; printed in CMYK it uses 81.08% cyan, 32.43% magenta, 0% yellow and 27.45% black. Its hue angle is 204°, with 68.18% saturation and 43.14% 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 4.71:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 3.33.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1853

Complementary

  1. #237db9
  2. #b95f23

Split complementary

  1. #237db9
  2. #b92332
  3. #b9aa23

Analogous

  1. #23b9aa
  2. #237db9
  3. #2332b9

Triadic

  1. #237db9
  2. #b9237d
  3. #7db923

Tetradic

  1. #237db9
  2. #5f23b9
  3. #b95f23
  4. #7db923

Square

  1. #237db9
  2. #aa23b9
  3. #b95f23
  4. #32b923

Monochromatic

  1. #0b2638
  2. #175279
  3. #237db9
  4. #4ba3dd
  5. #8cc4e9

Shades

#237db9 mixed progressively with black.

  1. #237db9
  2. #2071a7
  3. #1c6494
  4. #195882
  5. #154b6f
  6. #123f5d
  7. #0e324a
  8. #0b2638
  9. #071925
  10. #040d13
  11. #000000

Tints

#237db9 mixed progressively with white.

  1. #237db9
  2. #398ac0
  3. #4f97c7
  4. #65a4ce
  5. #7bb1d5
  6. #91bedc
  7. #a7cbe3
  8. #bdd8ea
  9. #d3e5f1
  10. #e9f2f8
  11. #ffffff

Tones

#237db9 mixed progressively with gray.

  1. #237db9
  2. #2c7db3
  3. #367eae
  4. #3f7ea8
  5. #487ea2
  6. #527f9d
  7. #5b7f97
  8. #647f91
  9. #6d7f8b
  10. #778086
  11. #808080

Readable text 4.46:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.71:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #607a96 ≈ 0.001% of males
Protanopia #617fbc ≈ 1.01% of males
Deuteranopia #4c71b8 ≈ 1.27% of males
Tritanopia #008c92 ≈ 0.0001% of males
Protanomaly #4f7ebb ≈ 1.08% of males
Deuteranomaly #3f76b8 ≈ 4.63% of males
Tritanomaly #0086a3 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-237db9 {
  color: #237db9;
}
Background
.bg-237db9 {
  background-color: #237db9;
  color: #000000;
}
Border
.border-237db9 {
  border: 2px solid #237db9;
}
CSS variables
:root {
  --color-primary: #237db9;
  --color-primary-rgb: 35 125 185;
  --color-primary-hsl: 204 68% 43%;
}
Gradient
.gradient-237db9 {
  background: linear-gradient(135deg, #237db9, #2332b9);
}
Colored shadow
.shadow-237db9 {
  box-shadow: 0 8px 24px rgb(35 125 185 / 0.35);
}

#4682b4 Steel Blue ΔE 3.33 #0072bb French Blue ΔE 4.32 #417dc1 Tufts Blue ΔE 4.39 #0073cf True Blue ΔE 5.18 #007ba7 Cerulean ΔE 5.32 #318ce7 Bleu de France ΔE 7.72 #5d8aa8 Air Force Blue ΔE 8.10 #dc8246 Inverted #777777 Grayscale 

Steel Blue
#237db9  rgb(35, 125, 185)  hsl(204, 68%, 43%)  Steel Blue
#b95f23  rgb(185, 95, 35)  hsl(24, 68%, 43%)  Burnt Orange
#b9237d  rgb(185, 35, 125)  hsl(324, 68%, 43%)  Medium Violet Red
#7db923  rgb(125, 185, 35)  hsl(84, 68%, 43%)  Apple Green