#B33E24#B33E24

#B33E24 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.157 H 34.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B33E24
RGB	rgb(179, 62, 36)
HSL	hsl(11, 67%, 42%)
HSV	hsv(11, 80%, 70%)
CMYK	cmyk(0%, 65.4%, 79.9%, 29.8%)
CIE-LAB	lab(43.00, 46.18, 40.51)
CIE-LCH	lch(43.00, 61.43, 41.26°)
OKLab	oklab(52.62% 0.1302 0.0879)
OKLCH	oklch(52.62% 0.157 34)
XYZ	xyz(20.6338, 13.1593, 3.1222)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E24 #2499B3

analogous

#B32452 #B33E24 #B38624

triadic

#B33E24 #24B33E #3E24B3

tetradic

#B33E24 #52B324 #2499B3 #8624B3

square

#B33E24 #52B324 #2499B3 #8624B3

split-complementary

#B33E24 #24B386 #2452B3

monochromatic

#4D1B10 #802C1A #B33E24 #D8593C #E2846F

Accessibility & contrast

On white

5.78

#B33E24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B33E24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E24

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E24	#FFFFFF	#000000	##FFFFFF
##B33E24	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605520

Deuteranopia (green-blind)

#7C6F1F

Tritanopia (blue-blind)

#C51D39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e24;
/* rgb */ color: rgb(179, 62, 36);
/* oklch */ color: oklch(52.6% 0.157 34.0);

Tailwind

colors: {
  custom: {
    50: '#d27961',
    500: '#b33e24',
    950: '#000000',
  },
}

SCSS

$custom: #b33e24;
$custom-light: #d27961;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e24",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 36
  },
  "hsl": {
    "h": 10.909,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52621,
    "c": 0.15713,
    "h": 34
  },
  "luminance": 0.13156
}

Semantic roles & 50–950 ramp

primary

#B33E24

secondary

#6AB8C9

accent

#CAE93E

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33E24

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

Preview Lab → · Contrast checker → · Palette generator →