#B03334#B03334

#B03334 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.162 H 24.6°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B03334
RGB	rgb(176, 51, 52)
HSL	hsl(360, 55%, 45%)
HSV	hsv(360, 71%, 69%)
CMYK	cmyk(0%, 71%, 70.5%, 31%)
CIE-LAB	lab(40.97, 50.37, 29.10)
CIE-LCH	lch(40.97, 58.17, 30.01°)
OKLab	oklab(51.06% 0.147 0.0671)
OKLCH	oklch(51.06% 0.162 24.6)
XYZ	xyz(19.7103, 11.8486, 4.4973)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03334 #33B0AF

analogous

#B03373 #B03334 #B07133

triadic

#B03334 #34B033 #3334B0

tetradic

#B03334 #73B033 #33B0AF #7133B0

square

#B03334 #73B033 #33B0AF #7133B0

split-complementary

#B03334 #33B071 #3373B0

monochromatic

#511818 #812526 #B03334 #CD5354 #DB8283

Accessibility & contrast

On white

6.23

#B03334 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B03334 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03334

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03334	#FFFFFF	#000000	##FFFFFF
##B03334	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)

#564F33

Deuteranopia (green-blind)

#766A30

Tritanopia (blue-blind)

#C20635

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03334;
/* rgb */ color: rgb(176, 51, 52);
/* oklch */ color: oklch(51.1% 0.162 24.6);

Tailwind

colors: {
  custom: {
    50: '#cf736b',
    500: '#b03334',
    950: '#000000',
  },
}

SCSS

$custom: #b03334;
$custom-light: #cf736b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03334",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 52
  },
  "hsl": {
    "h": 359.52,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51059,
    "c": 0.16157,
    "h": 24.6
  },
  "luminance": 0.11846
}

Semantic roles & 50–950 ramp

primary

#B03334

secondary

#7BC4C4

accent

#DEDD49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03334

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

Preview Lab → · Contrast checker → · Palette generator →