#B02223#B02223

#B02223 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.178 H 26.5°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#B02223
RGB	rgb(176, 34, 35)
HSL	hsl(360, 68%, 41%)
HSV	hsv(360, 81%, 69%)
CMYK	cmyk(0%, 80.7%, 80.1%, 31%)
CIE-LAB	lab(38.72, 55.36, 36.56)
CIE-LCH	lch(38.72, 66.34, 33.44°)
OKLab	oklab(49.32% 0.1591 0.0792)
OKLCH	oklch(49.32% 0.178 26.5)
XYZ	xyz(18.7822, 10.4986, 2.6273)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02223 #22B0AF

analogous

#B0226A #B02223 #B06822

triadic

#B02223 #23B022 #2223B0

tetradic

#B02223 #6AB022 #22B0AF #6822B0

square

#B02223 #6AB022 #22B0AF #6822B0

split-complementary

#B02223 #22B068 #226AB0

monochromatic

#490E0F #7D1819 #B02223 #D83738 #E26A6B

Accessibility & contrast

On white

6.78

#B02223 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B02223 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02223

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02223	#FFFFFF	#000000	##FFFFFF
##B02223	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504821

Deuteranopia (green-blind)

#72661C

Tritanopia (blue-blind)

#C20025

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b02223;
/* rgb */ color: rgb(176, 34, 35);
/* oklch */ color: oklch(49.3% 0.178 26.5);

Tailwind

colors: {
  custom: {
    50: '#d16c5f',
    500: '#b02223',
    950: '#000000',
  },
}

SCSS

$custom: #b02223;
$custom-light: #d16c5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b02223",
  "rgb": {
    "r": 176,
    "g": 34,
    "b": 35
  },
  "hsl": {
    "h": 359.577,
    "s": 67.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49315,
    "c": 0.17767,
    "h": 26.5
  },
  "luminance": 0.10496
}

Semantic roles & 50–950 ramp

primary

#B02223

secondary

#66C8C7

accent

#EAE93D

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B02223

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

Preview Lab → · Contrast checker → · Palette generator →