#B03336#B03336

#B03336 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.161 H 23.7°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B03336
RGB	rgb(176, 51, 54)
HSL	hsl(359, 55%, 45%)
HSV	hsv(359, 71%, 69%)
CMYK	cmyk(0%, 71%, 69.3%, 31%)
CIE-LAB	lab(41.00, 50.48, 27.93)
CIE-LCH	lch(41.00, 57.69, 28.96°)
OKLab	oklab(51.09% 0.1477 0.0649)
OKLCH	oklch(51.09% 0.161 23.7)
XYZ	xyz(19.7563, 11.8670, 4.7396)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03336 #33B0AD

analogous

#B03375 #B03336 #B06F33

triadic

#B03336 #36B033 #3336B0

tetradic

#B03336 #75B033 #33B0AD #6F33B0

square

#B03336 #75B033 #33B0AD #6F33B0

split-complementary

#B03336 #33B06F #3375B0

monochromatic

#511819 #812527 #B03336 #CD5356 #DB8285

Accessibility & contrast

On white

6.23

#B03336 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B03336 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03336

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03336	#FFFFFF	#000000	##FFFFFF
##B03336	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565035

Deuteranopia (green-blind)

#766B32

Tritanopia (blue-blind)

#C10735

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03336;
/* rgb */ color: rgb(176, 51, 54);
/* oklch */ color: oklch(51.1% 0.161 23.7);

Tailwind

colors: {
  custom: {
    50: '#cf736d',
    500: '#b03336',
    950: '#000000',
  },
}

SCSS

$custom: #b03336;
$custom-light: #cf736d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03336",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 54
  },
  "hsl": {
    "h": 358.56,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51091,
    "c": 0.16134,
    "h": 23.7
  },
  "luminance": 0.11864
}

Semantic roles & 50–950 ramp

primary

#B03336

secondary

#7BC4C2

accent

#DEDB49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03336

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

Preview Lab → · Contrast checker → · Palette generator →