#B22B39#B22B39

#B22B39 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.171 H 20.5°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B22B39
RGB	rgb(178, 43, 57)
HSL	hsl(354, 61%, 43%)
HSV	hsv(354, 76%, 70%)
CMYK	cmyk(0%, 75.8%, 68%, 30.2%)
CIE-LAB	lab(40.40, 54.13, 25.44)
CIE-LCH	lch(40.40, 59.81, 25.17°)
OKLab	oklab(50.72% 0.1597 0.0597)
OKLCH	oklch(50.72% 0.171 20.5)
XYZ	xyz(19.9647, 11.4912, 5.0369)
Luminance	0.1149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B39 #2BB2A4

analogous

#B22B7C #B22B39 #B2602B

triadic

#B22B39 #39B22B #2B39B2

tetradic

#B22B39 #7CB22B #2BB2A4 #602BB2

square

#B22B39 #7CB22B #2BB2A4 #602BB2

split-complementary

#B22B39 #2BB260 #2B7CB2

monochromatic

#4F1319 #811F29 #B22B39 #D34856 #DF7983

Accessibility & contrast

On white

6.37

#B22B39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22B39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B39

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B39	#FFFFFF	#000000	##FFFFFF
##B22B39	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D38

Deuteranopia (green-blind)

#746A35

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b39;
/* rgb */ color: rgb(178, 43, 57);
/* oklch */ color: oklch(50.7% 0.171 20.5);

Tailwind

colors: {
  custom: {
    50: '#d1706f',
    500: '#b22b39',
    950: '#000000',
  },
}

SCSS

$custom: #b22b39;
$custom-light: #d1706f;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b39",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 57
  },
  "hsl": {
    "h": 353.778,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50722,
    "c": 0.17053,
    "h": 20.5
  },
  "luminance": 0.11488
}

Semantic roles & 50–950 ramp

primary

#B22B39

secondary

#72C7BE

accent

#E4D444

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B22B39

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

Preview Lab → · Contrast checker → · Palette generator →