#B33141#B33141

#B33141 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.166 H 18.5°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B33141
RGB	rgb(179, 49, 65)
HSL	hsl(353, 57%, 45%)
HSV	hsv(353, 73%, 70%)
CMYK	cmyk(0%, 72.6%, 63.7%, 29.8%)
CIE-LAB	lab(41.48, 52.81, 21.90)
CIE-LCH	lch(41.48, 57.17, 22.53°)
OKLab	oklab(51.61% 0.157 0.0526)
OKLCH	oklch(51.61% 0.166 18.5)
XYZ	xyz(20.6450, 12.1650, 6.2610)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33141 #31B3A3

analogous

#B33182 #B33141 #B36231

triadic

#B33141 #41B331 #3141B3

tetradic

#B33141 #82B331 #31B3A3 #6231B3

square

#B33141 #82B331 #31B3A3 #6231B3

split-complementary

#B33141 #31B362 #3182B3

monochromatic

#53171E #832430 #B33141 #D05261 #DD828D

Accessibility & contrast

On white

6.12

#B33141 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B33141 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33141

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33141	#FFFFFF	#000000	##FFFFFF
##B33141	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555041

Deuteranopia (green-blind)

#766C3D

Tritanopia (blue-blind)

#C40338

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33141;
/* rgb */ color: rgb(179, 49, 65);
/* oklch */ color: oklch(51.6% 0.166 18.5);

Tailwind

colors: {
  custom: {
    50: '#d17375',
    500: '#b33141',
    950: '#000000',
  },
}

SCSS

$custom: #b33141;
$custom-light: #d17375;
$custom-dark: #000000;

JSON

{
  "hex": "#b33141",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 65
  },
  "hsl": {
    "h": 352.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51605,
    "c": 0.16562,
    "h": 18.5
  },
  "luminance": 0.12162
}

Semantic roles & 50–950 ramp

primary

#B33141

secondary

#7AC6BD

accent

#E0CD48

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33141

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

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