#B8303C#B8303C

#B8303C is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.3% C 0.172 H 20.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B8303C
RGB	rgb(184, 48, 60)
HSL	hsl(355, 59%, 45%)
HSV	hsv(355, 74%, 72%)
CMYK	cmyk(0%, 73.9%, 67.4%, 27.8%)
CIE-LAB	lab(42.21, 54.43, 26.10)
CIE-LCH	lch(42.21, 60.37, 25.61°)
OKLab	oklab(52.29% 0.1605 0.0614)
OKLCH	oklch(52.29% 0.172 20.9)
XYZ	xyz(21.6421, 12.6337, 5.5731)
Luminance	0.1263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8303C #30B8AC

analogous

#B83080 #B8303C #B86830

triadic

#B8303C #3CB830 #303CB8

tetradic

#B8303C #80B830 #30B8AC #6830B8

square

#B8303C #80B830 #30B8AC #6830B8

split-complementary

#B8303C #30B868 #3080B8

monochromatic

#57171C #87232C #B8303C #D2535E #DF848C

Accessibility & contrast

On white

5.96

#B8303C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B8303C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8303C

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8303C	#FFFFFF	#000000	##FFFFFF
##B8303C	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57513B

Deuteranopia (green-blind)

#796E38

Tritanopia (blue-blind)

#CA0036

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b8303c;
/* rgb */ color: rgb(184, 48, 60);
/* oklch */ color: oklch(52.3% 0.172 20.9);

Tailwind

colors: {
  custom: {
    50: '#d57371',
    500: '#b8303c',
    950: '#000000',
  },
}

SCSS

$custom: #b8303c;
$custom-light: #d57371;
$custom-dark: #000000;

JSON

{
  "hex": "#b8303c",
  "rgb": {
    "r": 184,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 354.706,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52291,
    "c": 0.17187,
    "h": 20.9
  },
  "luminance": 0.1263
}

Semantic roles & 50–950 ramp

primary

#B8303C

secondary

#7CC8C1

accent

#E2D446

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B8303C

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

Preview Lab → · Contrast checker → · Palette generator →