#A71F2D#A71F2D

#A71F2D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.170 H 21.9°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#A71F2D
RGB	rgb(167, 31, 45)
HSL	hsl(354, 69%, 39%)
HSV	hsv(354, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 73.1%, 34.5%)
CIE-LAB	lab(36.72, 53.93, 27.89)
CIE-LCH	lch(36.72, 60.71, 27.35°)
OKLab	oklab(47.55% 0.1579 0.0636)
OKLCH	oklch(47.55% 0.17 21.9)
XYZ	xyz(16.9020, 9.3876, 3.4042)
Luminance	0.0939 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F2D #1FA799

analogous

#A71F71 #A71F2D #A7551F

triadic

#A71F2D #2DA71F #1F2DA7

tetradic

#A71F2D #71A71F #1FA799 #551FA7

square

#A71F2D #71A71F #1FA799 #551FA7

split-complementary

#A71F2D #1FA755 #1F71A7

monochromatic

#400C11 #73151F #A71F2D #D82B3D #E15F6C

Accessibility & contrast

On white

7.30

#A71F2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A71F2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F2D

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F2D	#FFFFFF	#000000	##FFFFFF
##A71F2D	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A442C

Deuteranopia (green-blind)

#6B6128

Tritanopia (blue-blind)

#B80026

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f2d;
/* rgb */ color: rgb(167, 31, 45);
/* oklch */ color: oklch(47.5% 0.170 21.9);

Tailwind

colors: {
  custom: {
    50: '#ca6966',
    500: '#a71f2d',
    950: '#000000',
  },
}

SCSS

$custom: #a71f2d;
$custom-light: #ca6966;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f2d",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 45
  },
  "hsl": {
    "h": 353.824,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47546,
    "c": 0.17024,
    "h": 21.9
  },
  "luminance": 0.09385
}

Semantic roles & 50–950 ramp

primary

#A71F2D

secondary

#5CC6BB

accent

#ECD93C

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A71F2D

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

Preview Lab → · Contrast checker → · Palette generator →