#B33134#B33134

#B33134 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.167 H 24.1°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B33134
RGB	rgb(179, 49, 52)
HSL	hsl(359, 57%, 45%)
HSV	hsv(359, 73%, 70%)
CMYK	cmyk(0%, 72.6%, 70.9%, 29.8%)
CIE-LAB	lab(41.27, 52.09, 29.58)
CIE-LCH	lch(41.27, 59.91, 29.59°)
OKLab	oklab(51.38% 0.152 0.0681)
OKLCH	oklch(51.38% 0.167 24.1)
XYZ	xyz(20.3108, 12.0313, 4.5010)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33134 #31B3B0

analogous

#B33175 #B33134 #B36F31

triadic

#B33134 #34B331 #3134B3

tetradic

#B33134 #75B331 #31B3B0 #6F31B3

square

#B33134 #75B331 #31B3B0 #6F31B3

split-complementary

#B33134 #31B36F #3175B3

monochromatic

#531718 #832426 #B33134 #D05255 #DD8284

Accessibility & contrast

On white

6.17

#B33134 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B33134 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33134

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33134	#FFFFFF	#000000	##FFFFFF
##B33134	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F33

Deuteranopia (green-blind)

#776C30

Tritanopia (blue-blind)

#C50034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33134;
/* rgb */ color: rgb(179, 49, 52);
/* oklch */ color: oklch(51.4% 0.167 24.1);

Tailwind

colors: {
  custom: {
    50: '#d2736b',
    500: '#b33134',
    950: '#000000',
  },
}

SCSS

$custom: #b33134;
$custom-light: #d2736b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33134",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 52
  },
  "hsl": {
    "h": 358.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5138,
    "c": 0.16657,
    "h": 24.1
  },
  "luminance": 0.12028
}

Semantic roles & 50–950 ramp

primary

#B33134

secondary

#7AC6C4

accent

#E0DD48

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33134

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

Preview Lab → · Contrast checker → · Palette generator →