ColorTool
Log in
#CD1537

#cd1537 ≈ Cardinal

  • red
  • Lightness: medium
  • Saturation: strong
  • Warm
Check contrast Explore in graph Random color

#cd1537 is a color from the red family, with medium lightness and strong saturation. In the RGB model it is made of 80.39% red, 8.24% green and 21.57% blue; printed in CMYK it uses 0% cyan, 89.76% magenta, 73.17% yellow and 19.61% black. Its hue angle is 348.91°, with 81.42% saturation and 44.31% lightness in HSL. It is a warm color, often associated with energy, passion and urgency. Designers typically use it for food and restaurant brands, sales and promotions and call-to-action buttons. White text on this color reaches a contrast ratio of 5.59:1 (WCAG AA). The closest named color is Cardinal (#c41e3a), ΔE 1.87.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#cc0033
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1379

Complementary

  1. #cd1537
  2. #15cdab

Split complementary

  1. #cd1537
  2. #15cd4f
  3. #1593cd

Analogous

  1. #cd1593
  2. #cd1537
  3. #cd4f15

Triadic

  1. #cd1537
  2. #37cd15
  3. #1537cd

Tetradic

  1. #cd1537
  2. #cdab15
  3. #15cdab
  4. #1537cd

Square

  1. #cd1537
  2. #93cd15
  3. #15cdab
  4. #4f15cd

Monochromatic

  1. #420712
  2. #880e24
  3. #cd1537
  4. #ec4362
  5. #f3889c

Shades

#cd1537 mixed progressively with black.

  1. #cd1537
  2. #b91332
  3. #a4112c
  4. #900f27
  5. #7b0d21
  6. #670b1c
  7. #520816
  8. #3e0611
  9. #29040b
  10. #150206
  11. #000000

Tints

#cd1537 mixed progressively with white.

  1. #cd1537
  2. #d22c4b
  3. #d7445f
  4. #dc5b73
  5. #e17387
  6. #e68a9b
  7. #eba1af
  8. #f0b9c3
  9. #f5d0d7
  10. #fae8eb
  11. #ffffff

Tones

#cd1537 mixed progressively with gray.

  1. #cd1537
  2. #c5203e
  3. #be2a46
  4. #b6354d
  5. #ae4054
  6. #a74b5c
  7. #9f5563
  8. #97606a
  9. #8f6b71
  10. #887579
  11. #808080

Readable text 5.59:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.76:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #686868 ≈ 0.003% of males
Achromatomaly #9b5358 ≈ 0.001% of males
Protanopia #565036 ≈ 1.01% of males
Deuteranopia #827530 ≈ 1.27% of males
Tritanopia #e20026 ≈ 0.0001% of males
Protanomaly #954037 ≈ 1.08% of males
Deuteranomaly #a55d33 ≈ 4.63% of males
Tritanomaly #da002e ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-cd1537 {
  color: #cd1537;
}
Background
.bg-cd1537 {
  background-color: #cd1537;
  color: #ffffff;
}
Border
.border-cd1537 {
  border: 2px solid #cd1537;
}
CSS variables
:root {
  --color-primary: #cd1537;
  --color-primary-rgb: 205 21 55;
  --color-primary-hsl: 349 81% 44%;
}
Gradient
.gradient-cd1537 {
  background: linear-gradient(135deg, #cd1537, #cd4f15);
}
Colored shadow
.shadow-cd1537 {
  box-shadow: 0 8px 24px rgb(205 21 55 / 0.35);
}

#c41e3a Cardinal ΔE 1.87 #dc143c Crimson ΔE 3.12 #ce2029 Fire Engine Red ΔE 4.74 #cc3333 Persian Red ΔE 4.88 #cf1020 Lava ΔE 5.93 #cb4154 Brick Red ΔE 6.70 #b22222 Firebrick ΔE 7.14 #32eac8 Inverted #686868 Grayscale 

Cardinal
#cd1537  rgb(205, 21, 55)  hsl(349, 81%, 44%)  Cardinal
#15cdab  rgb(21, 205, 171)  hsl(169, 81%, 44%)  Caribbean Green
#37cd15  rgb(55, 205, 21)  hsl(109, 81%, 44%)  Lime Green
#1537cd  rgb(21, 55, 205)  hsl(229, 81%, 44%)  Persian Blue