#B22E10#B22E10

#B22E10 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.173 H 33.6°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#B22E10
RGB	rgb(178, 46, 16)
HSL	hsl(11, 84%, 38%)
HSV	hsv(11, 91%, 70%)
CMYK	cmyk(0%, 74.2%, 91%, 30.2%)
CIE-LAB	lab(40.34, 51.70, 47.37)
CIE-LCH	lch(40.34, 70.11, 42.50°)
OKLab	oklab(50.55% 0.1442 0.0956)
OKLCH	oklch(50.55% 0.173 33.6)
XYZ	xyz(19.4330, 11.4595, 1.6788)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22E10 #1094B2

analogous

#B21043 #B22E10 #B27F10

triadic

#B22E10 #10B22E #2E10B2

tetradic

#B22E10 #43B210 #1094B2 #7F10B2

square

#B22E10 #43B210 #1094B2 #7F10B2

split-complementary

#B22E10 #10B27F #1043B2

monochromatic

#421106 #7A1F0B #B22E10 #EA3D15 #EF6B4D

Accessibility & contrast

On white

6.38

#B22E10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B22E10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22E10

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22E10	#FFFFFF	#000000	##FFFFFF
##B22E10	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574C08

Deuteranopia (green-blind)

#776A03

Tritanopia (blue-blind)

#C50029

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22e10;
/* rgb */ color: rgb(178, 46, 16);
/* oklch */ color: oklch(50.5% 0.173 33.6);

Tailwind

colors: {
  custom: {
    50: '#d37054',
    500: '#b22e10',
    950: '#000000',
  },
}

SCSS

$custom: #b22e10;
$custom-light: #d37054;
$custom-dark: #000000;

JSON

{
  "hex": "#b22e10",
  "rgb": {
    "r": 178,
    "g": 46,
    "b": 16
  },
  "hsl": {
    "h": 11.111,
    "s": 83.505,
    "l": 38.039
  },
  "oklch": {
    "l": 0.50549,
    "c": 0.17303,
    "h": 33.6
  },
  "luminance": 0.11456
}

Semantic roles & 50–950 ramp

primary

#B22E10

secondary

#4DB8D0

accent

#D4FA2E

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B22E10

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

Preview Lab → · Contrast checker → · Palette generator →