#B33744#B33744

#B33744 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.159 H 18.8°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B33744
RGB	rgb(179, 55, 68)
HSL	hsl(354, 53%, 46%)
HSV	hsv(354, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 62%, 29.8%)
CIE-LAB	lab(42.36, 50.72, 21.20)
CIE-LCH	lch(42.36, 54.97, 22.68°)
OKLab	oklab(52.28% 0.1509 0.0513)
OKLCH	oklch(52.28% 0.159 18.8)
XYZ	xyz(21.0021, 12.7364, 6.8202)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33744 #37B3A6

analogous

#B33782 #B33744 #B36837

triadic

#B33744 #44B337 #3744B3

tetradic

#B33744 #82B337 #37B3A6 #6837B3

square

#B33744 #82B337 #37B3A6 #6837B3

split-complementary

#B33744 #37B368 #3782B3

monochromatic

#551A20 #842932 #B33744 #CD5B67 #DB8A92

Accessibility & contrast

On white

5.92

#B33744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B33744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33744

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33744	#FFFFFF	#000000	##FFFFFF
##B33744	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585344

Deuteranopia (green-blind)

#776E41

Tritanopia (blue-blind)

#C4173D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33744;
/* rgb */ color: rgb(179, 55, 68);
/* oklch */ color: oklch(52.3% 0.159 18.8);

Tailwind

colors: {
  custom: {
    50: '#d07677',
    500: '#b33744',
    950: '#000000',
  },
}

SCSS

$custom: #b33744;
$custom-light: #d07677;
$custom-dark: #000000;

JSON

{
  "hex": "#b33744",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.71,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52283,
    "c": 0.15941,
    "h": 18.8
  },
  "luminance": 0.12733
}

Semantic roles & 50–950 ramp

primary

#B33744

secondary

#81C5BE

accent

#DCCD4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33744

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

Preview Lab → · Contrast checker → · Palette generator →