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#FF131F

#ff131f ≈ Red

  • red
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ff131f is a color from the red family, with medium lightness and vivid saturation. In the RGB model it is made of 100% red, 7.45% green and 12.16% blue; printed in CMYK it uses 0% cyan, 92.55% magenta, 87.84% yellow and 0% black. Its hue angle is 356.95°, with 100% saturation and 53.73% 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 5.36:1 (WCAG AA). The closest named color is Red (#ff0000), ΔE 3.38.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ff0033
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2182

Complementary

  1. #ff131f
  2. #13fff3

Split complementary

  1. #ff131f
  2. #13ff7d
  3. #1395ff

Analogous

  1. #ff1395
  2. #ff131f
  3. #ff7d13

Triadic

  1. #ff131f
  2. #1fff13
  3. #131fff

Tetradic

  1. #ff131f
  2. #fff313
  3. #13fff3
  4. #131fff

Square

  1. #ff131f
  2. #95ff13
  3. #13fff3
  4. #7d13ff

Monochromatic

  1. #790006
  2. #c6000a
  3. #ff131f
  4. #ff6068
  5. #ffacb0

Shades

#ff131f mixed progressively with black.

  1. #ff131f
  2. #e6111c
  3. #cc0f19
  4. #b30d16
  5. #990b13
  6. #800a10
  7. #66080c
  8. #4d0609
  9. #330406
  10. #1a0203
  11. #000000

Tints

#ff131f mixed progressively with white.

  1. #ff131f
  2. #ff2b35
  3. #ff424c
  4. #ff5a62
  5. #ff7179
  6. #ff898f
  7. #ffa1a5
  8. #ffb8bc
  9. #ffd0d2
  10. #ffe7e9
  11. #ffffff

Tones

#ff131f mixed progressively with gray.

  1. #ff131f
  2. #f21e29
  3. #e62932
  4. #d9343c
  5. #cc3f46
  6. #c04a50
  7. #b35459
  8. #a65f63
  9. #996a6d
  10. #8d7576
  11. #808080

Readable text 3.91:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.36:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #818181 ≈ 0.003% of males
Achromatomaly #c16667 ≈ 0.001% of males
Protanopia #6e621a ≈ 1.01% of males
Deuteranopia #a49106 ≈ 1.27% of males
Tritanopia #ff001f ≈ 0.0001% of males
Protanomaly #ba4d1c ≈ 1.08% of males
Deuteranomaly #cf7413 ≈ 4.63% of males
Tritanomaly #ff001f ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-ff131f {
  color: #ff131f;
}
Background
.bg-ff131f {
  background-color: #ff131f;
  color: #000000;
}
Border
.border-ff131f {
  border: 2px solid #ff131f;
}
CSS variables
:root {
  --color-primary: #ff131f;
  --color-primary-rgb: 255 19 31;
  --color-primary-hsl: 357 100% 54%;
}
Gradient
.gradient-ff131f {
  background: linear-gradient(135deg, #ff131f, #ff7d13);
}
Colored shadow
.shadow-ff131f {
  box-shadow: 0 8px 24px rgb(255 19 31 / 0.35);
}

#ff0000 Red ΔE 3.38 #ff0800 Candy Apple Red ΔE 3.50 #ff2400 Scarlet ΔE 4.57 #e62020 Lust ΔE 4.78 #e34234 Cinnabar ΔE 4.80 #e34234 Vermilion ΔE 4.80 #fd0e35 Tractor Red ΔE 4.82 #00ece0 Inverted #818181 Grayscale 

Red
#ff131f  rgb(255, 19, 31)  hsl(357, 100%, 54%)  Red
#13fff3  rgb(19, 255, 243)  hsl(177, 100%, 54%)  Turquoise Blue
#1fff13  rgb(31, 255, 19)  hsl(117, 100%, 54%)  Lime
#131fff  rgb(19, 31, 255)  hsl(237, 100%, 54%)  Blue