#A7211D#A7211D

#A7211D is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.170 H 27.8°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#A7211D
RGB	rgb(167, 33, 29)
HSL	hsl(2, 70%, 38%)
HSV	hsv(2, 83%, 65%)
CMYK	cmyk(0%, 80.2%, 82.6%, 34.5%)
CIE-LAB	lab(36.73, 52.77, 37.32)
CIE-LCH	lch(36.73, 64.63, 35.27°)
OKLab	oklab(47.5% 0.1507 0.0796)
OKLCH	oklch(47.5% 0.17 27.8)
XYZ	xyz(16.7040, 9.3946, 2.0960)
Luminance	0.0939 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7211D #1DA3A7

analogous

#A71D5E #A7211D #A7661D

triadic

#A7211D #1DA721 #211DA7

tetradic

#A7211D #5EA71D #1DA3A7 #661DA7

square

#A7211D #5EA71D #1DA3A7 #661DA7

split-complementary

#A7211D #1DA766 #1D5EA7

monochromatic

#3F0C0B #731714 #A7211D #DA2D28 #E3605C

Accessibility & contrast

On white

7.30

#A7211D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A7211D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7211D

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7211D	#FFFFFF	#000000	##FFFFFF
##A7211D	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)

#4C441B

Deuteranopia (green-blind)

#6D6116

Tritanopia (blue-blind)

#B80022

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a7211d;
/* rgb */ color: rgb(167, 33, 29);
/* oklch */ color: oklch(47.5% 0.170 27.8);

Tailwind

colors: {
  custom: {
    50: '#cb6a5a',
    500: '#a7211d',
    950: '#000000',
  },
}

SCSS

$custom: #a7211d;
$custom-light: #cb6a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a7211d",
  "rgb": {
    "r": 167,
    "g": 33,
    "b": 29
  },
  "hsl": {
    "h": 1.739,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47496,
    "c": 0.17045,
    "h": 27.8
  },
  "luminance": 0.09392
}

Semantic roles & 50–950 ramp

primary

#A7211D

secondary

#59C3C7

accent

#E8ED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A7211D

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

Preview Lab → · Contrast checker → · Palette generator →