#B22E21#B22E21

#B22E21 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.171 H 29.8°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#B22E21
RGB	rgb(178, 46, 33)
HSL	hsl(5, 69%, 41%)
HSV	hsv(5, 81%, 70%)
CMYK	cmyk(0%, 74.2%, 81.5%, 30.2%)
CIE-LAB	lab(40.46, 52.10, 39.52)
CIE-LCH	lch(40.46, 65.39, 37.18°)
OKLab	oklab(50.68% 0.1482 0.0848)
OKLCH	oklch(50.68% 0.171 29.8)
XYZ	xyz(19.6140, 11.5318, 2.6317)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22E21 #21A5B2

analogous

#B2215D #B22E21 #B27721

triadic

#B22E21 #21B22E #2E21B2

tetradic

#B22E21 #5DB221 #21A5B2 #7721B2

square

#B22E21 #5DB221 #21A5B2 #7721B2

split-complementary

#B22E21 #21B277 #215DB2

monochromatic

#4B130E #7E2117 #B22E21 #DA4536 #E3756A

Accessibility & contrast

On white

6.35

#B22E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B22E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22E21

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22E21	#FFFFFF	#000000	##FFFFFF
##B22E21	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D1E

Deuteranopia (green-blind)

#776A1B

Tritanopia (blue-blind)

#C4002C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22e21;
/* rgb */ color: rgb(178, 46, 33);
/* oklch */ color: oklch(50.7% 0.171 29.8);

Tailwind

colors: {
  custom: {
    50: '#d2715e',
    500: '#b22e21',
    950: '#000000',
  },
}

SCSS

$custom: #b22e21;
$custom-light: #d2715e;
$custom-dark: #000000;

JSON

{
  "hex": "#b22e21",
  "rgb": {
    "r": 178,
    "g": 46,
    "b": 33
  },
  "hsl": {
    "h": 5.379,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50675,
    "c": 0.17074,
    "h": 29.8
  },
  "luminance": 0.11529
}

Semantic roles & 50–950 ramp

primary

#B22E21

secondary

#66C0C9

accent

#DCEC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B22E21

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

Preview Lab → · Contrast checker → · Palette generator →