#B02431#B02431

#B02431 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.6% C 0.175 H 22.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#B02431
RGB	rgb(176, 36, 49)
HSL	hsl(354, 66%, 42%)
HSV	hsv(354, 80%, 69%)
CMYK	cmyk(0%, 79.5%, 72.2%, 31%)
CIE-LAB	lab(39.10, 55.33, 28.69)
CIE-LCH	lch(39.10, 62.32, 27.41°)
OKLab	oklab(49.65% 0.1621 0.0657)
OKLCH	oklch(49.65% 0.175 22.1)
XYZ	xyz(19.0920, 10.7166, 3.9684)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02431 #24B0A3

analogous

#B02477 #B02431 #B05D24

triadic

#B02431 #31B024 #2431B0

tetradic

#B02431 #77B024 #24B0A3 #5D24B0

square

#B02431 #77B024 #24B0A3 #5D24B0

split-complementary

#B02431 #24B05D #2477B0

monochromatic

#4A0F15 #7D1A23 #B02431 #D73A49 #E16D78

Accessibility & contrast

On white

6.68

#B02431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#B02431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02431

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02431	#FFFFFF	#000000	##FFFFFF
##B02431	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4930

Deuteranopia (green-blind)

#72672C

Tritanopia (blue-blind)

#C2002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b02431;
/* rgb */ color: rgb(176, 36, 49);
/* oklch */ color: oklch(49.6% 0.175 22.1);

Tailwind

colors: {
  custom: {
    50: '#d06d69',
    500: '#b02431',
    950: '#000000',
  },
}

SCSS

$custom: #b02431;
$custom-light: #d06d69;
$custom-dark: #000000;

JSON

{
  "hex": "#b02431",
  "rgb": {
    "r": 176,
    "g": 36,
    "b": 49
  },
  "hsl": {
    "h": 354.429,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4965,
    "c": 0.17485,
    "h": 22.1
  },
  "luminance": 0.10714
}

Semantic roles & 50–950 ramp

primary

#B02431

secondary

#68C8BF

accent

#E9D93F

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#160806

muted

#847A7A

Preview Lab

Preview with #B02431

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

Preview Lab → · Contrast checker → · Palette generator →