#B33947#B33947

#B33947 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.157 H 17.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B33947
RGB	rgb(179, 57, 71)
HSL	hsl(353, 52%, 46%)
HSV	hsv(353, 68%, 70%)
CMYK	cmyk(0%, 68.2%, 60.3%, 29.8%)
CIE-LAB	lab(42.71, 50.11, 19.81)
CIE-LCH	lch(42.71, 53.89, 21.57°)
OKLab	oklab(52.56% 0.1496 0.0483)
OKLCH	oklch(52.56% 0.157 17.9)
XYZ	xyz(21.1929, 12.9678, 7.3471)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33947 #39B3A5

analogous

#B33984 #B33947 #B36839

triadic

#B33947 #47B339 #3947B3

tetradic

#B33947 #84B339 #39B3A5 #6839B3

square

#B33947 #84B339 #39B3A5 #6839B3

split-complementary

#B33947 #39B368 #3984B3

monochromatic

#561B22 #852A35 #B33947 #CC5E6A #DA8C95

Accessibility & contrast

On white

5.84

#B33947 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B33947 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33947

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33947	#FFFFFF	#000000	##FFFFFF
##B33947	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595547

Deuteranopia (green-blind)

#786E44

Tritanopia (blue-blind)

#C41D3F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33947;
/* rgb */ color: rgb(179, 57, 71);
/* oklch */ color: oklch(52.6% 0.157 17.9);

Tailwind

colors: {
  custom: {
    50: '#d0777a',
    500: '#b33947',
    950: '#000000',
  },
}

SCSS

$custom: #b33947;
$custom-light: #d0777a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33947",
  "rgb": {
    "r": 179,
    "g": 57,
    "b": 71
  },
  "hsl": {
    "h": 353.115,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52564,
    "c": 0.15718,
    "h": 17.9
  },
  "luminance": 0.12965
}

Semantic roles & 50–950 ramp

primary

#B33947

secondary

#83C5BD

accent

#DBCB4D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33947

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

Preview Lab → · Contrast checker → · Palette generator →