#B03338#B03338

#B03338 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.161 H 22.9°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B03338
RGB	rgb(176, 51, 56)
HSL	hsl(358, 55%, 45%)
HSV	hsv(358, 71%, 69%)
CMYK	cmyk(0%, 71%, 68.2%, 31%)
CIE-LAB	lab(41.03, 50.58, 26.75)
CIE-LCH	lch(41.03, 57.22, 27.87°)
OKLab	oklab(51.12% 0.1485 0.0626)
OKLCH	oklch(51.12% 0.161 22.9)
XYZ	xyz(19.8043, 11.8862, 4.9921)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03338 #33B0AB

analogous

#B03377 #B03338 #B06D33

triadic

#B03338 #38B033 #3338B0

tetradic

#B03338 #77B033 #33B0AB #6D33B0

square

#B03338 #77B033 #33B0AB #6D33B0

split-complementary

#B03338 #33B06D #3377B0

monochromatic

#51181A #812529 #B03338 #CD5358 #DB8286

Accessibility & contrast

On white

6.22

#B03338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B03338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03338

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03338	#FFFFFF	#000000	##FFFFFF
##B03338	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565037

Deuteranopia (green-blind)

#756B34

Tritanopia (blue-blind)

#C10936

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03338;
/* rgb */ color: rgb(176, 51, 56);
/* oklch */ color: oklch(51.1% 0.161 22.9);

Tailwind

colors: {
  custom: {
    50: '#cf736e',
    500: '#b03338',
    950: '#000000',
  },
}

SCSS

$custom: #b03338;
$custom-light: #cf736e;
$custom-dark: #000000;

JSON

{
  "hex": "#b03338",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 56
  },
  "hsl": {
    "h": 357.6,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51124,
    "c": 0.16113,
    "h": 22.9
  },
  "luminance": 0.11883
}

Semantic roles & 50–950 ramp

primary

#B03338

secondary

#7BC4C1

accent

#DED849

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03338

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

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