#B33136#B33136

#B33136 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.166 H 23.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B33136
RGB	rgb(179, 49, 54)
HSL	hsl(358, 57%, 45%)
HSV	hsv(358, 73%, 70%)
CMYK	cmyk(0%, 72.6%, 69.8%, 29.8%)
CIE-LAB	lab(41.30, 52.19, 28.41)
CIE-LCH	lch(41.30, 59.42, 28.56°)
OKLab	oklab(51.41% 0.1528 0.0658)
OKLCH	oklch(51.41% 0.166 23.3)
XYZ	xyz(20.3568, 12.0497, 4.7432)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33136 #31B3AE

analogous

#B33177 #B33136 #B36D31

triadic

#B33136 #36B331 #3136B3

tetradic

#B33136 #77B331 #31B3AE #6D31B3

square

#B33136 #77B331 #31B3AE #6D31B3

split-complementary

#B33136 #31B36D #3177B3

monochromatic

#531719 #832428 #B33136 #D05256 #DD8285

Accessibility & contrast

On white

6.16

#B33136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B33136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33136

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33136	#FFFFFF	#000000	##FFFFFF
##B33136	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565035

Deuteranopia (green-blind)

#776C32

Tritanopia (blue-blind)

#C50034

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33136;
/* rgb */ color: rgb(179, 49, 54);
/* oklch */ color: oklch(51.4% 0.166 23.3);

Tailwind

colors: {
  custom: {
    50: '#d2736d',
    500: '#b33136',
    950: '#000000',
  },
}

SCSS

$custom: #b33136;
$custom-light: #d2736d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33136",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 54
  },
  "hsl": {
    "h": 357.692,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51411,
    "c": 0.16636,
    "h": 23.3
  },
  "luminance": 0.12047
}

Semantic roles & 50–950 ramp

primary

#B33136

secondary

#7AC6C3

accent

#E0DA48

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33136

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

Preview Lab → · Contrast checker → · Palette generator →