#B33B43#B33B43

#B33B43 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.155 H 20.5°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B33B43
RGB	rgb(179, 59, 67)
HSL	hsl(356, 50%, 47%)
HSV	hsv(356, 67%, 70%)
CMYK	cmyk(0%, 67%, 62.6%, 29.8%)
CIE-LAB	lab(42.94, 49.02, 22.56)
CIE-LCH	lch(42.94, 53.96, 24.72°)
OKLab	oklab(52.71% 0.1453 0.0543)
OKLCH	oklch(52.71% 0.155 20.5)
XYZ	xyz(21.1696, 13.1198, 6.7267)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B43 #3BB3AB

analogous

#B33B7F #B33B43 #B36F3B

triadic

#B33B43 #43B33B #3B43B3

tetradic

#B33B43 #7FB33B #3BB3AB #6F3BB3

square

#B33B43 #7FB33B #3BB3AB #6F3BB3

split-complementary

#B33B43 #3BB36F #3B7FB3

monochromatic

#571D21 #852C32 #B33B43 #CB6068 #DA8E94

Accessibility & contrast

On white

5.80

#B33B43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B33B43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B43

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B43	#FFFFFF	#000000	##FFFFFF
##B33B43	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5542

Deuteranopia (green-blind)

#796F40

Tritanopia (blue-blind)

#C41F3F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b43;
/* rgb */ color: rgb(179, 59, 67);
/* oklch */ color: oklch(52.7% 0.155 20.5);

Tailwind

colors: {
  custom: {
    50: '#d07877',
    500: '#b33b43',
    950: '#000000',
  },
}

SCSS

$custom: #b33b43;
$custom-light: #d07877;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b43",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 67
  },
  "hsl": {
    "h": 356,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5271,
    "c": 0.15516,
    "h": 20.5
  },
  "luminance": 0.13117
}

Semantic roles & 50–950 ramp

primary

#B33B43

secondary

#85C5C0

accent

#DAD14E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33B43

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

Preview Lab → · Contrast checker → · Palette generator →