#A71F33#A71F33

#A71F33 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.170 H 19.5°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#A71F33
RGB	rgb(167, 31, 51)
HSL	hsl(351, 69%, 39%)
HSV	hsv(351, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 69.5%, 34.5%)
CIE-LAB	lab(36.81, 54.21, 24.26)
CIE-LCH	lch(36.81, 59.40, 24.11°)
OKLab	oklab(47.65% 0.1602 0.0567)
OKLCH	oklch(47.65% 0.17 19.5)
XYZ	xyz(17.0258, 9.4371, 4.0564)
Luminance	0.0943 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F33 #1FA793

analogous

#A71F77 #A71F33 #A74F1F

triadic

#A71F33 #33A71F #1F33A7

tetradic

#A71F33 #77A71F #1FA793 #4F1FA7

square

#A71F33 #77A71F #1FA793 #4F1FA7

split-complementary

#A71F33 #1FA74F #1F77A7

monochromatic

#400C13 #731523 #A71F33 #D82B45 #E15F72

Accessibility & contrast

On white

7.27

#A71F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A71F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F33

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F33	#FFFFFF	#000000	##FFFFFF
##A71F33	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494433

Deuteranopia (green-blind)

#6B612F

Tritanopia (blue-blind)

#B80028

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a71f33;
/* rgb */ color: rgb(167, 31, 51);
/* oklch */ color: oklch(47.6% 0.170 19.5);

Tailwind

colors: {
  custom: {
    50: '#c9696a',
    500: '#a71f33',
    950: '#000000',
  },
}

SCSS

$custom: #a71f33;
$custom-light: #c9696a;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f33",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 51
  },
  "hsl": {
    "h": 351.176,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47645,
    "c": 0.16991,
    "h": 19.5
  },
  "luminance": 0.09434
}

Semantic roles & 50–950 ramp

primary

#A71F33

secondary

#5CC6B6

accent

#ECD23C

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A71F33

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

Preview Lab → · Contrast checker → · Palette generator →