#A33330#A33330

#A33330 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.7% C 0.148 H 25.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#A33330
RGB	rgb(163, 51, 48)
HSL	hsl(2, 55%, 41%)
HSV	hsv(2, 71%, 64%)
CMYK	cmyk(0%, 68.7%, 70.6%, 36.1%)
CIE-LAB	lab(38.50, 45.83, 27.97)
CIE-LCH	lch(38.50, 53.69, 31.40°)
OKLab	oklab(48.74% 0.1334 0.0646)
OKLCH	oklch(48.74% 0.148 25.8)
XYZ	xyz(16.8234, 10.3700, 3.9115)
Luminance	0.1037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33330 #30A0A3

analogous

#A33067 #A33330 #A36D30

triadic

#A33330 #30A333 #3330A3

tetradic

#A33330 #67A330 #30A0A3 #6D30A3

square

#A33330 #67A330 #30A0A3 #6D30A3

split-complementary

#A33330 #30A36D #3067A3

monochromatic

#441514 #742422 #A33330 #C94B47 #D77977

Accessibility & contrast

On white

6.83

#A33330 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A33330 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33330

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33330	#FFFFFF	#000000	##FFFFFF
##A33330	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B2F

Deuteranopia (green-blind)

#6E642D

Tritanopia (blue-blind)

#B31333

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33330;
/* rgb */ color: rgb(163, 51, 48);
/* oklch */ color: oklch(48.7% 0.148 25.8);

Tailwind

colors: {
  custom: {
    50: '#c67268',
    500: '#a33330',
    950: '#000000',
  },
}

SCSS

$custom: #a33330;
$custom-light: #c67268;
$custom-dark: #000000;

JSON

{
  "hex": "#a33330",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 48
  },
  "hsl": {
    "h": 1.565,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48744,
    "c": 0.14819,
    "h": 25.8
  },
  "luminance": 0.10368
}

Semantic roles & 50–950 ramp

primary

#A33330

secondary

#70BDBF

accent

#DADE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A33330

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

Preview Lab → · Contrast checker → · Palette generator →