#B32021#B32021

#B32021 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.182 H 26.8°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B32021
RGB	rgb(179, 32, 33)
HSL	hsl(360, 70%, 41%)
HSV	hsv(360, 82%, 70%)
CMYK	cmyk(0%, 82.1%, 81.6%, 29.8%)
CIE-LAB	lab(39.12, 56.72, 38.28)
CIE-LCH	lch(39.12, 68.42, 34.01°)
OKLab	oklab(49.71% 0.1626 0.082)
OKLCH	oklch(49.71% 0.182 26.8)
XYZ	xyz(19.3838, 10.7297, 2.4890)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B32021 #20B3B2

analogous

#B3206B #B32021 #B36920

triadic

#B32021 #21B320 #2021B3

tetradic

#B32021 #6BB320 #20B3B2 #6920B3

square

#B32021 #6BB320 #20B3B2 #6920B3

split-complementary

#B32021 #20B369 #206BB3

monochromatic

#4B0D0E #7F1717 #B32021 #DB3536 #E4696A

Accessibility & contrast

On white

6.68

#B32021 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#B32021 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32021

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B32021	#FFFFFF	#000000	##FFFFFF
##B32021	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50481F

Deuteranopia (green-blind)

#74671A

Tritanopia (blue-blind)

#C60023

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b32021;
/* rgb */ color: rgb(179, 32, 33);
/* oklch */ color: oklch(49.7% 0.182 26.8);

Tailwind

colors: {
  custom: {
    50: '#d46b5d',
    500: '#b32021',
    950: '#000000',
  },
}

SCSS

$custom: #b32021;
$custom-light: #d46b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b32021",
  "rgb": {
    "r": 179,
    "g": 32,
    "b": 33
  },
  "hsl": {
    "h": 359.592,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49712,
    "c": 0.18207,
    "h": 26.8
  },
  "luminance": 0.10727
}

Semantic roles & 50–950 ramp

primary

#B32021

secondary

#65CAC9

accent

#ECEB3B

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B32021

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

Preview Lab → · Contrast checker → · Palette generator →