#B33438#B33438

#B33438 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.163 H 23.3°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B33438
RGB	rgb(179, 52, 56)
HSL	hsl(358, 55%, 45%)
HSV	hsv(358, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 68.7%, 29.8%)
CIE-LAB	lab(41.73, 51.17, 27.73)
CIE-LCH	lch(41.73, 58.20, 28.46°)
OKLab	oklab(51.75% 0.15 0.0646)
OKLCH	oklch(51.75% 0.163 23.3)
XYZ	xyz(20.5344, 12.3282, 5.0389)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33438 #34B3AF

analogous

#B33478 #B33438 #B36F34

triadic

#B33438 #38B334 #3438B3

tetradic

#B33438 #78B334 #34B3AF #6F34B3

square

#B33438 #78B334 #34B3AF #6F34B3

split-complementary

#B33438 #34B36F #3478B3

monochromatic

#54181A #842629 #B33438 #CE565A #DC8688

Accessibility & contrast

On white

6.06

#B33438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B33438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33438

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33438	#FFFFFF	#000000	##FFFFFF
##B33438	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585137

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#C50837

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33438;
/* rgb */ color: rgb(179, 52, 56);
/* oklch */ color: oklch(51.7% 0.163 23.3);

Tailwind

colors: {
  custom: {
    50: '#d1746e',
    500: '#b33438',
    950: '#000000',
  },
}

SCSS

$custom: #b33438;
$custom-light: #d1746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b33438",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358.11,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51747,
    "c": 0.1633,
    "h": 23.3
  },
  "luminance": 0.12325
}

Semantic roles & 50–950 ramp

primary

#B33438

secondary

#7DC5C3

accent

#DEDA49

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33438

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

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