#B33D57#B33D57

#B33D57 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.153 H 10.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B33D57
RGB	rgb(179, 61, 87)
HSL	hsl(347, 49%, 47%)
HSV	hsv(347, 66%, 70%)
CMYK	cmyk(0%, 65.9%, 51.4%, 29.8%)
CIE-LAB	lab(43.67, 49.70, 11.21)
CIE-LCH	lch(43.67, 50.95, 12.71°)
OKLab	oklab(53.39% 0.1506 0.0286)
OKLCH	oklch(53.39% 0.153 10.8)
XYZ	xyz(21.9813, 13.6121, 10.4849)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D57 #3DB399

analogous

#B33D92 #B33D57 #B35E3D

triadic

#B33D57 #57B33D #3D57B3

tetradic

#B33D57 #92B33D #3DB399 #5E3DB3

square

#B33D57 #92B33D #3DB399 #5E3DB3

split-complementary

#B33D57 #3DB35E #3D92B3

monochromatic

#581E2B #852D41 #B33D57 #CA637A #D991A1

Accessibility & contrast

On white

5.64

#B33D57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B33D57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D57

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D57	#FFFFFF	#000000	##FFFFFF
##B33D57	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585857

Deuteranopia (green-blind)

#777054

Tritanopia (blue-blind)

#C32947

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b33d57;
/* rgb */ color: rgb(179, 61, 87);
/* oklch */ color: oklch(53.4% 0.153 10.8);

Tailwind

colors: {
  custom: {
    50: '#cf7986',
    500: '#b33d57',
    950: '#000000',
  },
}

SCSS

$custom: #b33d57;
$custom-light: #cf7986;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d57",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 87
  },
  "hsl": {
    "h": 346.78,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5339,
    "c": 0.15332,
    "h": 10.8
  },
  "luminance": 0.13609
}

Semantic roles & 50–950 ramp

primary

#B33D57

secondary

#87C5B7

accent

#D9BA4F

background

#FDF7F8

surface

#FAEEEF

border

#D3C9CA

text

#150A0B

muted

#837C7C

Preview Lab

Preview with #B33D57

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

Preview Lab → · Contrast checker → · Palette generator →