#A71E1F#A71E1F

#A71E1F is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.3% C 0.172 H 26.6°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#A71E1F
RGB	rgb(167, 30, 31)
HSL	hsl(360, 70%, 39%)
HSV	hsv(360, 82%, 65%)
CMYK	cmyk(0%, 82%, 81.4%, 34.5%)
CIE-LAB	lab(36.45, 53.68, 35.93)
CIE-LCH	lch(36.45, 64.59, 33.80°)
OKLab	oklab(47.29% 0.154 0.0773)
OKLCH	oklch(47.29% 0.172 26.6)
XYZ	xyz(16.6500, 9.2457, 2.2040)
Luminance	0.0924 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71E1F #1EA7A6

analogous

#A71E63 #A71E1F #A7611E

triadic

#A71E1F #1FA71E #1E1FA7

tetradic

#A71E1F #63A71E #1EA7A6 #611EA7

square

#A71E1F #63A71E #1EA7A6 #611EA7

split-complementary

#A71E1F #1EA761 #1E63A7

monochromatic

#3F0B0C #731515 #A71E1F #D92A2B #E25D5E

Accessibility & contrast

On white

7.37

#A71E1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A71E1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71E1F

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71E1F	#FFFFFF	#000000	##FFFFFF
##A71E1F	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431D

Deuteranopia (green-blind)

#6C6018

Tritanopia (blue-blind)

#B80021

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71e1f;
/* rgb */ color: rgb(167, 30, 31);
/* oklch */ color: oklch(47.3% 0.172 26.6);

Tailwind

colors: {
  custom: {
    50: '#cb695b',
    500: '#a71e1f',
    950: '#000000',
  },
}

SCSS

$custom: #a71e1f;
$custom-light: #cb695b;
$custom-dark: #000000;

JSON

{
  "hex": "#a71e1f",
  "rgb": {
    "r": 167,
    "g": 30,
    "b": 31
  },
  "hsl": {
    "h": 359.562,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47294,
    "c": 0.17228,
    "h": 26.6
  },
  "luminance": 0.09243
}

Semantic roles & 50–950 ramp

primary

#A71E1F

secondary

#5BC6C5

accent

#ECEB3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A71E1F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →