#B4211E#B4211E

#B4211E is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.183 H 27.7°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#B4211E
RGB	rgb(180, 33, 30)
HSL	hsl(1, 71%, 41%)
HSV	hsv(1, 83%, 71%)
CMYK	cmyk(0%, 81.7%, 83.3%, 29.4%)
CIE-LAB	lab(39.39, 56.66, 40.24)
CIE-LCH	lch(39.39, 69.49, 35.38°)
OKLab	oklab(49.94% 0.1617 0.0851)
OKLCH	oklch(49.94% 0.183 27.7)
XYZ	xyz(19.6030, 10.8880, 2.2975)
Luminance	0.1089 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4211E #1EB1B4

analogous

#B41E66 #B4211E #B46C1E

triadic

#B4211E #1EB421 #211EB4

tetradic

#B4211E #66B41E #1EB1B4 #6C1EB4

square

#B4211E #66B41E #1EB1B4 #6C1EB4

split-complementary

#B4211E #1EB46C #1E66B4

monochromatic

#4B0E0D #801715 #B4211E #DD3632 #E66967

Accessibility & contrast

On white

6.61

#B4211E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B4211E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4211E

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4211E	#FFFFFF	#000000	##FFFFFF
##B4211E	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481B

Deuteranopia (green-blind)

#756816

Tritanopia (blue-blind)

#C70023

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b4211e;
/* rgb */ color: rgb(180, 33, 30);
/* oklch */ color: oklch(49.9% 0.183 27.7);

Tailwind

colors: {
  custom: {
    50: '#d46c5b',
    500: '#b4211e',
    950: '#000000',
  },
}

SCSS

$custom: #b4211e;
$custom-light: #d46c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4211e",
  "rgb": {
    "r": 180,
    "g": 33,
    "b": 30
  },
  "hsl": {
    "h": 1.2,
    "s": 71.429,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4994,
    "c": 0.18269,
    "h": 27.7
  },
  "luminance": 0.10885
}

Semantic roles & 50–950 ramp

primary

#B4211E

secondary

#63C9CB

accent

#EBEE3A

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B4211E

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

Preview Lab → · Contrast checker → · Palette generator →