#B33936#B33936

#B33936 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.159 H 25.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B33936
RGB	rgb(179, 57, 54)
HSL	hsl(1, 54%, 46%)
HSV	hsv(1, 70%, 70%)
CMYK	cmyk(0%, 68.2%, 69.8%, 29.8%)
CIE-LAB	lab(42.43, 49.08, 29.77)
CIE-LCH	lch(42.43, 57.40, 31.24°)
OKLab	oklab(52.26% 0.1429 0.0688)
OKLCH	oklch(52.26% 0.159 25.7)
XYZ	xyz(20.7216, 12.7793, 4.8648)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33936 #36B0B3

analogous

#B33671 #B33936 #B37736

triadic

#B33936 #36B339 #3936B3

tetradic

#B33936 #71B336 #36B0B3 #7736B3

square

#B33936 #71B336 #36B0B3 #7736B3

split-complementary

#B33936 #36B377 #3671B3

monochromatic

#551B1A #842A28 #B33936 #CD5C59 #DB8A88

Accessibility & contrast

On white

5.91

#B33936 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B33936 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33936

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33936	#FFFFFF	#000000	##FFFFFF
##B33936	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5335

Deuteranopia (green-blind)

#796E32

Tritanopia (blue-blind)

#C5163A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33936;
/* rgb */ color: rgb(179, 57, 54);
/* oklch */ color: oklch(52.3% 0.159 25.7);

Tailwind

colors: {
  custom: {
    50: '#d1776d',
    500: '#b33936',
    950: '#000000',
  },
}

SCSS

$custom: #b33936;
$custom-light: #d1776d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33936",
  "rgb": {
    "r": 179,
    "g": 57,
    "b": 54
  },
  "hsl": {
    "h": 1.44,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52258,
    "c": 0.15864,
    "h": 25.7
  },
  "luminance": 0.12776
}

Semantic roles & 50–950 ramp

primary

#B33936

secondary

#80C4C5

accent

#DADD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33936

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

Preview Lab → · Contrast checker → · Palette generator →