#A82121#A82121

#A82121 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.171 H 26.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A82121
RGB	rgb(168, 33, 33)
HSL	hsl(0, 67%, 39%)
HSV	hsv(0, 80%, 66%)
CMYK	cmyk(0%, 80.4%, 80.4%, 34.1%)
CIE-LAB	lab(36.98, 53.20, 35.39)
CIE-LCH	lch(36.98, 63.89, 33.64°)
OKLab	oklab(47.73% 0.1528 0.0767)
OKLCH	oklch(47.73% 0.171 26.7)
XYZ	xyz(16.9689, 9.5251, 2.3836)
Luminance	0.0952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A82121 #21A8A8

analogous

#A82165 #A82121 #A86521

triadic

#A82121 #21A821 #2121A8

tetradic

#A82121 #65A821 #21A8A8 #6521A8

square

#A82121 #65A821 #21A8A8 #6521A8

split-complementary

#A82121 #21A865 #2165A8

monochromatic

#420D0D #751717 #A82121 #D63030 #E06363

Accessibility & contrast

On white

7.23

#A82121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A82121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A82121

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A82121	#FFFFFF	#000000	##FFFFFF
##A82121	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441F

Deuteranopia (green-blind)

#6D611B

Tritanopia (blue-blind)

#B90023

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a82121;
/* rgb */ color: rgb(168, 33, 33);
/* oklch */ color: oklch(47.7% 0.171 26.7);

Tailwind

colors: {
  custom: {
    50: '#cb6a5d',
    500: '#a82121',
    950: '#000000',
  },
}

SCSS

$custom: #a82121;
$custom-light: #cb6a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a82121",
  "rgb": {
    "r": 168,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 0,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47725,
    "c": 0.17094,
    "h": 26.7
  },
  "luminance": 0.09522
}

Semantic roles & 50–950 ramp

primary

#A82121

secondary

#5FC5C5

accent

#EAEA3E

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A82121

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

Preview Lab → · Contrast checker → · Palette generator →