#A81D33#A81D33

#A81D33 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.7% C 0.172 H 19.2°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#A81D33
RGB	rgb(168, 29, 51)
HSL	hsl(351, 71%, 39%)
HSV	hsv(351, 83%, 66%)
CMYK	cmyk(0%, 82.7%, 69.6%, 34.1%)
CIE-LAB	lab(36.83, 55.04, 24.32)
CIE-LCH	lch(36.83, 60.17, 23.84°)
OKLab	oklab(47.69% 0.1627 0.0568)
OKLCH	oklch(47.69% 0.172 19.2)
XYZ	xyz(17.1873, 9.4453, 4.0495)
Luminance	0.0944 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81D33 #1DA892

analogous

#A81D78 #A81D33 #A84D1D

triadic

#A81D33 #33A81D #1D33A8

tetradic

#A81D33 #78A81D #1DA892 #4D1DA8

square

#A81D33 #78A81D #1DA892 #4D1DA8

split-complementary

#A81D33 #1DA84D #1D78A8

monochromatic

#400B13 #741423 #A81D33 #DA2844 #E35C72

Accessibility & contrast

On white

7.27

#A81D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81D33

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81D33	#FFFFFF	#000000	##FFFFFF
##A81D33	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)

#B90027

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81d33;
/* rgb */ color: rgb(168, 29, 51);
/* oklch */ color: oklch(47.7% 0.172 19.2);

Tailwind

colors: {
  custom: {
    50: '#ca696a',
    500: '#a81d33',
    950: '#000000',
  },
}

SCSS

$custom: #a81d33;
$custom-light: #ca696a;
$custom-dark: #000000;

JSON

{
  "hex": "#a81d33",
  "rgb": {
    "r": 168,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 350.504,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47692,
    "c": 0.1723,
    "h": 19.2
  },
  "luminance": 0.09443
}

Semantic roles & 50–950 ramp

primary

#A81D33

secondary

#5AC7B6

accent

#EDD13A

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A81D33

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

Preview Lab → · Contrast checker → · Palette generator →