#B02221#B02221

#B02221 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.178 H 27.1°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#B02221
RGB	rgb(176, 34, 33)
HSL	hsl(0, 68%, 41%)
HSV	hsv(0, 81%, 69%)
CMYK	cmyk(0%, 80.7%, 81.3%, 31%)
CIE-LAB	lab(38.70, 55.30, 37.66)
CIE-LCH	lch(38.70, 66.90, 34.26°)
OKLab	oklab(49.29% 0.1584 0.0809)
OKLCH	oklch(49.29% 0.178 27.1)
XYZ	xyz(18.7534, 10.4870, 2.4753)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02221 #21AFB0

analogous

#B02167 #B02221 #B06921

triadic

#B02221 #21B022 #2221B0

tetradic

#B02221 #67B021 #21AFB0 #6921B0

square

#B02221 #67B021 #21AFB0 #6921B0

split-complementary

#B02221 #21B069 #2167B0

monochromatic

#490E0E #7C1817 #B02221 #D93635 #E36969

Accessibility & contrast

On white

6.78

#B02221 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#B02221 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02221

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02221	#FFFFFF	#000000	##FFFFFF
##B02221	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)

#50471F

Deuteranopia (green-blind)

#72661A

Tritanopia (blue-blind)

#C20024

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #b02221;
/* rgb */ color: rgb(176, 34, 33);
/* oklch */ color: oklch(49.3% 0.178 27.1);

Tailwind

colors: {
  custom: {
    50: '#d16c5d',
    500: '#b02221',
    950: '#000000',
  },
}

SCSS

$custom: #b02221;
$custom-light: #d16c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02221",
  "rgb": {
    "r": 176,
    "g": 34,
    "b": 33
  },
  "hsl": {
    "h": 0.42,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49294,
    "c": 0.17791,
    "h": 27.1
  },
  "luminance": 0.10484
}

Semantic roles & 50–950 ramp

primary

#B02221

secondary

#64C8C8

accent

#EAEB3D

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B02221

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

Preview Lab → · Contrast checker → · Palette generator →