#A33237#A33237

#A33237 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.7% C 0.148 H 22.2°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#A33237
RGB	rgb(163, 50, 55)
HSL	hsl(357, 53%, 42%)
HSV	hsv(357, 69%, 64%)
CMYK	cmyk(0%, 69.3%, 66.3%, 36.1%)
CIE-LAB	lab(38.46, 46.63, 23.64)
CIE-LCH	lch(38.46, 52.28, 26.88°)
OKLab	oklab(48.75% 0.1374 0.056)
OKLCH	oklch(48.75% 0.148 22.2)
XYZ	xyz(16.9362, 10.3460, 4.7189)
Luminance	0.1034 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33237 #32A39E

analogous

#A33270 #A33237 #A36632

triadic

#A33237 #37A332 #3237A3

tetradic

#A33237 #70A332 #32A39E #6632A3

square

#A33237 #70A332 #32A39E #6632A3

split-complementary

#A33237 #32A366 #3270A3

monochromatic

#451517 #742427 #A33237 #C84B50 #D6797D

Accessibility & contrast

On white

6.84

#A33237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A33237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33237

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33237	#FFFFFF	#000000	##FFFFFF
##A33237	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B36

Deuteranopia (green-blind)

#6D6334

Tritanopia (blue-blind)

#B31335

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a33237;
/* rgb */ color: rgb(163, 50, 55);
/* oklch */ color: oklch(48.7% 0.148 22.2);

Tailwind

colors: {
  custom: {
    50: '#c5716d',
    500: '#a33237',
    950: '#000000',
  },
}

SCSS

$custom: #a33237;
$custom-light: #c5716d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33237",
  "rgb": {
    "r": 163,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 357.345,
    "s": 53.052,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48748,
    "c": 0.14838,
    "h": 22.2
  },
  "luminance": 0.10344
}

Semantic roles & 50–950 ramp

primary

#A33237

secondary

#72BFBB

accent

#DCD64B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A33237

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

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