#B02331#B02331

#B02331 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.6% C 0.176 H 21.9°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#B02331
RGB	rgb(176, 35, 49)
HSL	hsl(354, 67%, 41%)
HSV	hsv(354, 80%, 69%)
CMYK	cmyk(0%, 80.1%, 72.2%, 31%)
CIE-LAB	lab(39.00, 55.62, 28.57)
CIE-LCH	lch(39.00, 62.53, 27.19°)
OKLab	oklab(49.57% 0.163 0.0654)
OKLCH	oklch(49.57% 0.176 21.9)
XYZ	xyz(19.0621, 10.6569, 3.9584)
Luminance	0.1065 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02331 #23B0A2

analogous

#B02378 #B02331 #B05C23

triadic

#B02331 #31B023 #2331B0

tetradic

#B02331 #78B023 #23B0A2 #5C23B0

square

#B02331 #78B023 #23B0A2 #5C23B0

split-complementary

#B02331 #23B05C #2378B0

monochromatic

#4A0F15 #7D1923 #B02331 #D83948 #E26C77

Accessibility & contrast

On white

6.71

#B02331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B02331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02331

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02331	#FFFFFF	#000000	##FFFFFF
##B02331	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	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: #b02331;
/* rgb */ color: rgb(176, 35, 49);
/* oklch */ color: oklch(49.6% 0.176 21.9);

Tailwind

colors: {
  custom: {
    50: '#d06c69',
    500: '#b02331',
    950: '#000000',
  },
}

SCSS

$custom: #b02331;
$custom-light: #d06c69;
$custom-dark: #000000;

JSON

{
  "hex": "#b02331",
  "rgb": {
    "r": 176,
    "g": 35,
    "b": 49
  },
  "hsl": {
    "h": 354.043,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49574,
    "c": 0.17562,
    "h": 21.9
  },
  "luminance": 0.10654
}

Semantic roles & 50–950 ramp

primary

#B02331

secondary

#67C8BE

accent

#EAD93E

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#160806

muted

#847A7A

Preview Lab

Preview with #B02331

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

Preview Lab → · Contrast checker → · Palette generator →