#B33751#B33751

#B33751 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.160 H 12.3°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B33751
RGB	rgb(179, 55, 81)
HSL	hsl(347, 53%, 46%)
HSV	hsv(347, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 54.7%, 29.8%)
CIE-LAB	lab(42.63, 51.66, 13.50)
CIE-LCH	lch(42.63, 53.40, 14.64°)
OKLab	oklab(52.57% 0.1561 0.034)
OKLCH	oklch(52.57% 0.16 12.3)
XYZ	xyz(21.4437, 12.9131, 9.1463)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33751 #37B399

analogous

#B3378F #B33751 #B35B37

triadic

#B33751 #51B337 #3751B3

tetradic

#B33751 #8FB337 #37B399 #5B37B3

square

#B33751 #8FB337 #37B399 #5B37B3

split-complementary

#B33751 #37B35B #378FB3

monochromatic

#551A27 #84293C #B33751 #CD5B73 #DB8A9B

Accessibility & contrast

On white

5.86

#B33751 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B33751 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33751

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33751	#FFFFFF	#000000	##FFFFFF
##B33751	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565551

Deuteranopia (green-blind)

#766E4E

Tritanopia (blue-blind)

#C31D41

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33751;
/* rgb */ color: rgb(179, 55, 81);
/* oklch */ color: oklch(52.6% 0.160 12.3);

Tailwind

colors: {
  custom: {
    50: '#d07681',
    500: '#b33751',
    950: '#000000',
  },
}

SCSS

$custom: #b33751;
$custom-light: #d07681;
$custom-dark: #000000;

JSON

{
  "hex": "#b33751",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 347.419,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5257,
    "c": 0.15977,
    "h": 12.3
  },
  "luminance": 0.1291
}

Semantic roles & 50–950 ramp

primary

#B33751

secondary

#81C5B7

accent

#DCBE4B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B33751

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

Preview Lab → · Contrast checker → · Palette generator →