#B02421#B02421

#B02421 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.176 H 27.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B02421
RGB	rgb(176, 36, 33)
HSL	hsl(1, 68%, 41%)
HSV	hsv(1, 81%, 69%)
CMYK	cmyk(0%, 79.5%, 81.3%, 31%)
CIE-LAB	lab(38.91, 54.72, 37.86)
CIE-LCH	lch(38.91, 66.54, 34.68°)
OKLab	oklab(49.45% 0.1566 0.0814)
OKLCH	oklch(49.45% 0.177 27.4)
XYZ	xyz(18.8122, 10.6047, 2.4949)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02421 #21ADB0

analogous

#B02165 #B02421 #B06B21

triadic

#B02421 #21B024 #2421B0

tetradic

#B02421 #65B021 #21ADB0 #6B21B0

square

#B02421 #65B021 #21ADB0 #6B21B0

split-complementary

#B02421 #21B06B #2165B0

monochromatic

#490F0E #7C1917 #B02421 #D93935 #E36B69

Accessibility & contrast

On white

6.73

#B02421 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B02421 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02421

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02421	#FFFFFF	#000000	##FFFFFF
##B02421	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481F

Deuteranopia (green-blind)

#73661A

Tritanopia (blue-blind)

#C20025

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b02421;
/* rgb */ color: rgb(176, 36, 33);
/* oklch */ color: oklch(49.4% 0.176 27.4);

Tailwind

colors: {
  custom: {
    50: '#d16c5d',
    500: '#b02421',
    950: '#000000',
  },
}

SCSS

$custom: #b02421;
$custom-light: #d16c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02421",
  "rgb": {
    "r": 176,
    "g": 36,
    "b": 33
  },
  "hsl": {
    "h": 1.259,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49446,
    "c": 0.1765,
    "h": 27.4
  },
  "luminance": 0.10602
}

Semantic roles & 50–950 ramp

primary

#B02421

secondary

#64C6C8

accent

#E8EB3D

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B02421

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

Preview Lab → · Contrast checker → · Palette generator →