#B3201D#B3201D

#B3201D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.7% C 0.183 H 27.8°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#B3201D
RGB	rgb(179, 32, 29)
HSL	hsl(1, 72%, 41%)
HSV	hsv(1, 84%, 70%)
CMYK	cmyk(0%, 82.1%, 83.8%, 29.8%)
CIE-LAB	lab(39.09, 56.61, 40.41)
CIE-LCH	lch(39.09, 69.55, 35.52°)
OKLab	oklab(49.67% 0.1614 0.0852)
OKLCH	oklch(49.67% 0.183 27.8)
XYZ	xyz(19.3311, 10.7086, 2.2113)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3201D #1DB0B3

analogous

#B31D65 #B3201D #B36B1D

triadic

#B3201D #1DB320 #201DB3

tetradic

#B3201D #65B31D #1DB0B3 #6B1DB3

square

#B3201D #65B31D #1DB0B3 #6B1DB3

split-complementary

#B3201D #1DB36B #1D65B3

monochromatic

#4A0D0C #7E1714 #B3201D #DD3330 #E66764

Accessibility & contrast

On white

6.69

#B3201D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B3201D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3201D

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3201D	#FFFFFF	#000000	##FFFFFF
##B3201D	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481A

Deuteranopia (green-blind)

#746714

Tritanopia (blue-blind)

#C60022

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b3201d;
/* rgb */ color: rgb(179, 32, 29);
/* oklch */ color: oklch(49.7% 0.183 27.8);

Tailwind

colors: {
  custom: {
    50: '#d46b5b',
    500: '#b3201d',
    950: '#000000',
  },
}

SCSS

$custom: #b3201d;
$custom-light: #d46b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3201d",
  "rgb": {
    "r": 179,
    "g": 32,
    "b": 29
  },
  "hsl": {
    "h": 1.2,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49674,
    "c": 0.18251,
    "h": 27.8
  },
  "luminance": 0.10705
}

Semantic roles & 50–950 ramp

primary

#B3201D

secondary

#61C9CB

accent

#EBEF39

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B3201D

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

Preview Lab → · Contrast checker → · Palette generator →