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#F31D37

#f31d37 ≈ Tractor Red

  • red
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#f31d37 is a color from the red family, with medium lightness and vivid saturation. In the RGB model it is made of 95.29% red, 11.37% green and 21.57% blue; printed in CMYK it uses 0% cyan, 88.07% magenta, 77.37% yellow and 4.71% black. Its hue angle is 352.71°, with 89.92% saturation and 53.33% 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. Black text on this color reaches a contrast ratio of 5.04:1 (WCAG AA). The closest named color is Tractor Red (#fd0e35), ΔE 1.72.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ff3333
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2021

Complementary

  1. #f31d37
  2. #1df3d9

Split complementary

  1. #f31d37
  2. #1df36e
  3. #1da2f3

Analogous

  1. #f31da2
  2. #f31d37
  3. #f36e1d

Triadic

  1. #f31d37
  2. #37f31d
  3. #1d37f3

Tetradic

  1. #f31d37
  2. #f3d91d
  3. #1df3d9
  4. #1d37f3

Square

  1. #f31d37
  2. #a2f31d
  3. #1df3d9
  4. #6e1df3

Monochromatic

  1. #710613
  2. #ba0a1f
  3. #f31d37
  4. #f76677
  5. #fbaeb8

Shades

#f31d37 mixed progressively with black.

  1. #f31d37
  2. #db1a32
  3. #c2172c
  4. #aa1427
  5. #921121
  6. #7a0f1c
  7. #610c16
  8. #490911
  9. #31060b
  10. #180306
  11. #000000

Tints

#f31d37 mixed progressively with white.

  1. #f31d37
  2. #f4344b
  3. #f54a5f
  4. #f76173
  5. #f87787
  6. #f98e9b
  7. #faa5af
  8. #fbbbc3
  9. #fdd2d7
  10. #fee8eb
  11. #ffffff

Tones

#f31d37 mixed progressively with gray.

  1. #f31d37
  2. #e8273e
  3. #dc3146
  4. #d13b4d
  5. #c54554
  6. #ba4f5c
  7. #ae5863
  8. #a3626a
  9. #976c71
  10. #8c7679
  11. #808080

Readable text 4.17:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.04:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7c7c7c ≈ 0.003% of males
Achromatomaly #b86467 ≈ 0.001% of males
Protanopia #696035 ≈ 1.01% of males
Deuteranopia #9c8c2e ≈ 1.27% of males
Tritanopia #ff002b ≈ 0.0001% of males
Protanomaly #b24d36 ≈ 1.08% of males
Deuteranomaly #c57032 ≈ 4.63% of males
Tritanomaly #ff0030 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-f31d37 {
  color: #f31d37;
}
Background
.bg-f31d37 {
  background-color: #f31d37;
  color: #000000;
}
Border
.border-f31d37 {
  border: 2px solid #f31d37;
}
CSS variables
:root {
  --color-primary: #f31d37;
  --color-primary-rgb: 243 29 55;
  --color-primary-hsl: 353 90% 53%;
}
Gradient
.gradient-f31d37 {
  background: linear-gradient(135deg, #f31d37, #f36e1d);
}
Colored shadow
.shadow-f31d37 {
  box-shadow: 0 8px 24px rgb(243 29 55 / 0.35);
}

#fd0e35 Tractor Red ΔE 1.72 #e34234 Cinnabar ΔE 5.03 #e34234 Vermilion ΔE 5.03 #e30022 Cadmium Red ΔE 5.31 #e62020 Lust ΔE 5.44 #dc143c Crimson ΔE 6.27 #ff004f Folly ΔE 6.33 #0ce2c8 Inverted #7c7c7c Grayscale 

Tractor Red
#f31d37  rgb(243, 29, 55)  hsl(353, 90%, 53%)  Tractor Red
#1df3d9  rgb(29, 243, 217)  hsl(173, 90%, 53%)  Turquoise Blue
#37f31d  rgb(55, 243, 29)  hsl(113, 90%, 53%)  Neon Green
#1d37f3  rgb(29, 55, 243)  hsl(233, 90%, 53%)  Han Purple