#B33943#B33943

#B33943 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.157 H 19.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B33943
RGB	rgb(179, 57, 67)
HSL	hsl(355, 52%, 46%)
HSV	hsv(355, 68%, 70%)
CMYK	cmyk(0%, 68.2%, 62.6%, 29.8%)
CIE-LAB	lab(42.64, 49.84, 22.17)
CIE-LCH	lch(42.64, 54.55, 23.98°)
OKLab	oklab(52.48% 0.148 0.0534)
OKLCH	oklch(52.48% 0.157 19.9)
XYZ	xyz(21.0687, 12.9182, 6.6931)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33943 #39B3A9

analogous

#B33980 #B33943 #B36C39

triadic

#B33943 #43B339 #3943B3

tetradic

#B33943 #80B339 #39B3A9 #6C39B3

square

#B33943 #80B339 #39B3A9 #6C39B3

split-complementary

#B33943 #39B36C #3980B3

monochromatic

#561B20 #852A32 #B33943 #CC5E67 #DA8C92

Accessibility & contrast

On white

5.86

#B33943 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B33943 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33943

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33943	#FFFFFF	#000000	##FFFFFF
##B33943	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)

#595443

Deuteranopia (green-blind)

#786E40

Tritanopia (blue-blind)

#C41B3E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33943;
/* rgb */ color: rgb(179, 57, 67);
/* oklch */ color: oklch(52.5% 0.157 19.9);

Tailwind

colors: {
  custom: {
    50: '#d07777',
    500: '#b33943',
    950: '#000000',
  },
}

SCSS

$custom: #b33943;
$custom-light: #d07777;
$custom-dark: #000000;

JSON

{
  "hex": "#b33943",
  "rgb": {
    "r": 179,
    "g": 57,
    "b": 67
  },
  "hsl": {
    "h": 355.082,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52483,
    "c": 0.15732,
    "h": 19.9
  },
  "luminance": 0.12915
}

Semantic roles & 50–950 ramp

primary

#B33943

secondary

#83C5BF

accent

#DBCF4D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33943

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

Preview Lab → · Contrast checker → · Palette generator →