#B22F21#B22F21

#B22F21 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.170 H 30.1°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#B22F21
RGB	rgb(178, 47, 33)
HSL	hsl(6, 69%, 41%)
HSV	hsv(6, 81%, 70%)
CMYK	cmyk(0%, 73.6%, 81.5%, 30.2%)
CIE-LAB	lab(40.59, 51.74, 39.65)
CIE-LCH	lch(40.59, 65.19, 37.46°)
OKLab	oklab(50.77% 0.1471 0.0851)
OKLCH	oklch(50.77% 0.17 30.1)
XYZ	xyz(19.6535, 11.6109, 2.6448)
Luminance	0.1161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22F21 #21A4B2

analogous

#B2215C #B22F21 #B27821

triadic

#B22F21 #21B22F #2F21B2

tetradic

#B22F21 #5CB221 #21A4B2 #7821B2

square

#B22F21 #5CB221 #21A4B2 #7821B2

split-complementary

#B22F21 #21B278 #215CB2

monochromatic

#4B140E #7E2117 #B22F21 #DA4636 #E3766A

Accessibility & contrast

On white

6.32

#B22F21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B22F21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22F21

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22F21	#FFFFFF	#000000	##FFFFFF
##B22F21	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1E

Deuteranopia (green-blind)

#776A1B

Tritanopia (blue-blind)

#C4002D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b22f21;
/* rgb */ color: rgb(178, 47, 33);
/* oklch */ color: oklch(50.8% 0.170 30.1);

Tailwind

colors: {
  custom: {
    50: '#d2715e',
    500: '#b22f21',
    950: '#000000',
  },
}

SCSS

$custom: #b22f21;
$custom-light: #d2715e;
$custom-dark: #000000;

JSON

{
  "hex": "#b22f21",
  "rgb": {
    "r": 178,
    "g": 47,
    "b": 33
  },
  "hsl": {
    "h": 5.793,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50771,
    "c": 0.16992,
    "h": 30.1
  },
  "luminance": 0.11608
}

Semantic roles & 50–950 ramp

primary

#B22F21

secondary

#66C0C9

accent

#DBEC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B22F21

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

Preview Lab → · Contrast checker → · Palette generator →