#B22D2B#B22D2B

#B22D2B is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.170 H 26.4°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B22D2B
RGB	rgb(178, 45, 43)
HSL	hsl(1, 61%, 43%)
HSV	hsv(1, 76%, 70%)
CMYK	cmyk(0%, 74.7%, 75.8%, 30.2%)
CIE-LAB	lab(40.44, 52.80, 33.91)
CIE-LCH	lch(40.44, 62.75, 32.71°)
OKLab	oklab(50.69% 0.1525 0.0756)
OKLCH	oklch(50.69% 0.17 26.4)
XYZ	xyz(19.7368, 11.5192, 3.4692)
Luminance	0.1152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22D2B #2BB0B2

analogous

#B22B6C #B22D2B #B2702B

triadic

#B22D2B #2BB22D #2D2BB2

tetradic

#B22D2B #6CB22B #2BB0B2 #702BB2

square

#B22D2B #6CB22B #2BB0B2 #702BB2

split-complementary

#B22D2B #2BB270 #2B6CB2

monochromatic

#4F1413 #81211F #B22D2B #D34A48 #DF7A79

Accessibility & contrast

On white

6.36

#B22D2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22D2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22D2B

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22D2B	#FFFFFF	#000000	##FFFFFF
##B22D2B	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D29

Deuteranopia (green-blind)

#766A26

Tritanopia (blue-blind)

#C4002E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22d2b;
/* rgb */ color: rgb(178, 45, 43);
/* oklch */ color: oklch(50.7% 0.170 26.4);

Tailwind

colors: {
  custom: {
    50: '#d27065',
    500: '#b22d2b',
    950: '#000000',
  },
}

SCSS

$custom: #b22d2b;
$custom-light: #d27065;
$custom-dark: #000000;

JSON

{
  "hex": "#b22d2b",
  "rgb": {
    "r": 178,
    "g": 45,
    "b": 43
  },
  "hsl": {
    "h": 0.889,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50693,
    "c": 0.17017,
    "h": 26.4
  },
  "luminance": 0.11516
}

Semantic roles & 50–950 ramp

primary

#B22D2B

secondary

#72C5C7

accent

#E2E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B22D2B

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

Preview Lab → · Contrast checker → · Palette generator →