#A7221D#A7221D

#A7221D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.6% C 0.170 H 28.0°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#A7221D
RGB	rgb(167, 34, 29)
HSL	hsl(2, 70%, 38%)
HSV	hsv(2, 83%, 65%)
CMYK	cmyk(0%, 79.6%, 82.6%, 34.5%)
CIE-LAB	lab(36.84, 52.47, 37.42)
CIE-LCH	lch(36.84, 64.45, 35.49°)
OKLab	oklab(47.57% 0.1498 0.0798)
OKLCH	oklch(47.57% 0.17 28)
XYZ	xyz(16.7322, 9.4510, 2.1054)
Luminance	0.0945 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7221D #1DA2A7

analogous

#A71D5D #A7221D #A7671D

triadic

#A7221D #1DA722 #221DA7

tetradic

#A7221D #5DA71D #1DA2A7 #671DA7

square

#A7221D #5DA71D #1DA2A7 #671DA7

split-complementary

#A7221D #1DA767 #1D5DA7

monochromatic

#3F0D0B #731714 #A7221D #DA2E28 #E3615C

Accessibility & contrast

On white

7.27

#A7221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A7221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7221D

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7221D	#FFFFFF	#000000	##FFFFFF
##A7221D	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)

#4C441B

Deuteranopia (green-blind)

#6D6116

Tritanopia (blue-blind)

#B80023

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a7221d;
/* rgb */ color: rgb(167, 34, 29);
/* oklch */ color: oklch(47.6% 0.170 28.0);

Tailwind

colors: {
  custom: {
    50: '#cb6a5a',
    500: '#a7221d',
    950: '#000000',
  },
}

SCSS

$custom: #a7221d;
$custom-light: #cb6a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a7221d",
  "rgb": {
    "r": 167,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 2.174,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47574,
    "c": 0.16973,
    "h": 28
  },
  "luminance": 0.09448
}

Semantic roles & 50–950 ramp

primary

#A7221D

secondary

#59C3C7

accent

#E7ED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A7221D

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

Preview Lab → · Contrast checker → · Palette generator →