#B33B4D#B33B4D

#B33B4D is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.155 H 15.5°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B33B4D
RGB	rgb(179, 59, 77)
HSL	hsl(351, 50%, 47%)
HSV	hsv(351, 67%, 70%)
CMYK	cmyk(0%, 67%, 57%, 29.8%)
CIE-LAB	lab(43.14, 49.73, 16.67)
CIE-LCH	lch(43.14, 52.45, 18.53°)
OKLab	oklab(52.92% 0.1493 0.0414)
OKLCH	oklch(52.92% 0.155 15.5)
XYZ	xyz(21.4959, 13.2503, 8.4454)
Luminance	0.1325 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B4D #3BB3A1

analogous

#B33B89 #B33B4D #B3653B

triadic

#B33B4D #4DB33B #3B4DB3

tetradic

#B33B4D #89B33B #3BB3A1 #653BB3

square

#B33B4D #89B33B #3BB3A1 #653BB3

split-complementary

#B33B4D #3BB365 #3B89B3

monochromatic

#571D25 #852C39 #B33B4D #CB6070 #DA8E9A

Accessibility & contrast

On white

5.75

#B33B4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B33B4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B4D

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B4D	#FFFFFF	#000000	##FFFFFF
##B33B4D	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59564D

Deuteranopia (green-blind)

#786F4A

Tritanopia (blue-blind)

#C42242

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b4d;
/* rgb */ color: rgb(179, 59, 77);
/* oklch */ color: oklch(52.9% 0.155 15.5);

Tailwind

colors: {
  custom: {
    50: '#d0787e',
    500: '#b33b4d',
    950: '#000000',
  },
}

SCSS

$custom: #b33b4d;
$custom-light: #d0787e;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b4d",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 77
  },
  "hsl": {
    "h": 351,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52919,
    "c": 0.15496,
    "h": 15.5
  },
  "luminance": 0.13247
}

Semantic roles & 50–950 ramp

primary

#B33B4D

secondary

#85C5BB

accent

#DAC54E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B33B4D

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

Preview Lab → · Contrast checker → · Palette generator →