#B03239#B03239

#B03239 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.162 H 22.1°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B03239
RGB	rgb(176, 50, 57)
HSL	hsl(357, 56%, 44%)
HSV	hsv(357, 72%, 69%)
CMYK	cmyk(0%, 71.6%, 67.6%, 31%)
CIE-LAB	lab(40.91, 51.02, 25.99)
CIE-LCH	lch(40.91, 57.26, 27.00°)
OKLab	oklab(51.04% 0.1501 0.061)
OKLCH	oklch(51.04% 0.162 22.1)
XYZ	xyz(19.7857, 11.8096, 5.1078)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03239 #32B0A9

analogous

#B03278 #B03239 #B06A32

triadic

#B03239 #39B032 #3239B0

tetradic

#B03239 #78B032 #32B0A9 #6A32B0

square

#B03239 #78B032 #32B0A9 #6A32B0

split-complementary

#B03239 #32B06A #3278B0

monochromatic

#51171A #80242A #B03239 #CE5158 #DB8186

Accessibility & contrast

On white

6.25

#B03239 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B03239 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03239

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03239	#FFFFFF	#000000	##FFFFFF
##B03239	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F38

Deuteranopia (green-blind)

#756A35

Tritanopia (blue-blind)

#C10636

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03239;
/* rgb */ color: rgb(176, 50, 57);
/* oklch */ color: oklch(51.0% 0.162 22.1);

Tailwind

colors: {
  custom: {
    50: '#cf736f',
    500: '#b03239',
    950: '#000000',
  },
}

SCSS

$custom: #b03239;
$custom-light: #cf736f;
$custom-dark: #000000;

JSON

{
  "hex": "#b03239",
  "rgb": {
    "r": 176,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 356.667,
    "s": 55.752,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51037,
    "c": 0.16201,
    "h": 22.1
  },
  "luminance": 0.11807
}

Semantic roles & 50–950 ramp

primary

#B03239

secondary

#79C4C0

accent

#DFD749

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03239

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

Preview Lab → · Contrast checker → · Palette generator →