#B33151#B33151

#B33151 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.166 H 10.8°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B33151
RGB	rgb(179, 49, 81)
HSL	hsl(345, 57%, 45%)
HSV	hsv(345, 73%, 70%)
CMYK	cmyk(0%, 72.6%, 54.7%, 29.8%)
CIE-LAB	lab(41.81, 53.93, 12.37)
CIE-LCH	lch(41.81, 55.33, 12.91°)
OKLab	oklab(51.96% 0.1634 0.0313)
OKLCH	oklch(51.96% 0.166 10.8)
XYZ	xyz(21.1759, 12.3773, 9.0570)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33151 #31B393

analogous

#B33192 #B33151 #B35231

triadic

#B33151 #51B331 #3151B3

tetradic

#B33151 #92B331 #31B393 #5231B3

square

#B33151 #92B331 #31B393 #5231B3

split-complementary

#B33151 #31B352 #3192B3

monochromatic

#531726 #83243B #B33151 #D05271 #DD8298

Accessibility & contrast

On white

6.04

#B33151 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B33151 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33151

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33151	#FFFFFF	#000000	##FFFFFF
##B33151	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525252

Deuteranopia (green-blind)

#746C4E

Tritanopia (blue-blind)

#C4103E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33151;
/* rgb */ color: rgb(179, 49, 81);
/* oklch */ color: oklch(52.0% 0.166 10.8);

Tailwind

colors: {
  custom: {
    50: '#d07381',
    500: '#b33151',
    950: '#000000',
  },
}

SCSS

$custom: #b33151;
$custom-light: #d07381;
$custom-dark: #000000;

JSON

{
  "hex": "#b33151",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 345.231,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5196,
    "c": 0.16635,
    "h": 10.8
  },
  "luminance": 0.12374
}

Semantic roles & 50–950 ramp

primary

#B33151

secondary

#7AC6B3

accent

#E0BB48

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B33151

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

Preview Lab → · Contrast checker → · Palette generator →