#B33940#B33940

#B33940 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.158 H 21.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B33940
RGB	rgb(179, 57, 64)
HSL	hsl(357, 52%, 46%)
HSV	hsv(357, 68%, 70%)
CMYK	cmyk(0%, 68.2%, 64.2%, 29.8%)
CIE-LAB	lab(42.59, 49.65, 23.94)
CIE-LCH	lch(42.59, 55.12, 25.74°)
OKLab	oklab(52.43% 0.1468 0.0572)
OKLCH	oklch(52.43% 0.158 21.3)
XYZ	xyz(20.9811, 12.8831, 6.2314)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33940 #39B3AC

analogous

#B3397D #B33940 #B36F39

triadic

#B33940 #40B339 #3940B3

tetradic

#B33940 #7DB339 #39B3AC #6F39B3

square

#B33940 #7DB339 #39B3AC #6F39B3

split-complementary

#B33940 #39B36F #397DB3

monochromatic

#561B1F #852A2F #B33940 #CC5E64 #DA8C91

Accessibility & contrast

On white

5.87

#B33940 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B33940 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33940

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33940	#FFFFFF	#000000	##FFFFFF
##B33940	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543F

Deuteranopia (green-blind)

#786E3D

Tritanopia (blue-blind)

#C41A3D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33940;
/* rgb */ color: rgb(179, 57, 64);
/* oklch */ color: oklch(52.4% 0.158 21.3);

Tailwind

colors: {
  custom: {
    50: '#d17774',
    500: '#b33940',
    950: '#000000',
  },
}

SCSS

$custom: #b33940;
$custom-light: #d17774;
$custom-dark: #000000;

JSON

{
  "hex": "#b33940",
  "rgb": {
    "r": 179,
    "g": 57,
    "b": 64
  },
  "hsl": {
    "h": 356.557,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52427,
    "c": 0.15752,
    "h": 21.3
  },
  "luminance": 0.1288
}

Semantic roles & 50–950 ramp

primary

#B33940

secondary

#83C5C1

accent

#DBD34D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33940

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

Preview Lab → · Contrast checker → · Palette generator →