#B33D55#B33D55

#B33D55 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.153 H 11.8°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B33D55
RGB	rgb(179, 61, 85)
HSL	hsl(348, 49%, 47%)
HSV	hsv(348, 66%, 70%)
CMYK	cmyk(0%, 65.9%, 52.5%, 29.8%)
CIE-LAB	lab(43.62, 49.53, 12.38)
CIE-LCH	lch(43.62, 51.06, 14.04°)
OKLab	oklab(53.34% 0.1498 0.0314)
OKLCH	oklch(53.34% 0.153 11.8)
XYZ	xyz(21.9007, 13.5799, 10.0605)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D55 #3DB39B

analogous

#B33D90 #B33D55 #B3603D

triadic

#B33D55 #55B33D #3D55B3

tetradic

#B33D55 #90B33D #3DB39B #603DB3

square

#B33D55 #90B33D #3DB39B #603DB3

split-complementary

#B33D55 #3DB360 #3D90B3

monochromatic

#581E2A #852D3F #B33D55 #CA6378 #D991A0

Accessibility & contrast

On white

5.65

#B33D55 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B33D55 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D55

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D55	#FFFFFF	#000000	##FFFFFF
##B33D55	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595855

Deuteranopia (green-blind)

#777052

Tritanopia (blue-blind)

#C32846

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b33d55;
/* rgb */ color: rgb(179, 61, 85);
/* oklch */ color: oklch(53.3% 0.153 11.8);

Tailwind

colors: {
  custom: {
    50: '#cf7984',
    500: '#b33d55',
    950: '#000000',
  },
}

SCSS

$custom: #b33d55;
$custom-light: #cf7984;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d55",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 85
  },
  "hsl": {
    "h": 347.797,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53339,
    "c": 0.1531,
    "h": 11.8
  },
  "luminance": 0.13577
}

Semantic roles & 50–950 ramp

primary

#B33D55

secondary

#87C5B8

accent

#D9BD4F

background

#FDF7F8

surface

#FAEEEF

border

#D3C9CA

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B33D55

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

Preview Lab → · Contrast checker → · Palette generator →