#B33524#B33524

#B33524 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.165 H 30.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B33524
RGB	rgb(179, 53, 36)
HSL	hsl(7, 67%, 42%)
HSV	hsv(7, 80%, 70%)
CMYK	cmyk(0%, 70.4%, 79.9%, 29.8%)
CIE-LAB	lab(41.63, 49.91, 39.14)
CIE-LCH	lch(41.63, 63.43, 38.10°)
OKLab	oklab(51.59% 0.1418 0.0849)
OKLCH	oklch(51.59% 0.165 30.9)
XYZ	xyz(20.1843, 12.2604, 2.9724)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33524 #24A2B3

analogous

#B3245A #B33524 #B37D24

triadic

#B33524 #24B335 #3524B3

tetradic

#B33524 #5AB324 #24A2B3 #7D24B3

square

#B33524 #5AB324 #24A2B3 #7D24B3

split-complementary

#B33524 #24B37D #245AB3

monochromatic

#4D1710 #80261A #B33524 #D84F3C #E27D6F

Accessibility & contrast

On white

6.08

#B33524 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B33524 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33524

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33524	#FFFFFF	#000000	##FFFFFF
##B33524	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5121

Deuteranopia (green-blind)

#796C1E

Tritanopia (blue-blind)

#C50132

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33524;
/* rgb */ color: rgb(179, 53, 36);
/* oklch */ color: oklch(51.6% 0.165 30.9);

Tailwind

colors: {
  custom: {
    50: '#d37460',
    500: '#b33524',
    950: '#000000',
  },
}

SCSS

$custom: #b33524;
$custom-light: #d37460;
$custom-dark: #000000;

JSON

{
  "hex": "#b33524",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 36
  },
  "hsl": {
    "h": 7.133,
    "s": 66.512,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51589,
    "c": 0.16531,
    "h": 30.9
  },
  "luminance": 0.12257
}

Semantic roles & 50–950 ramp

primary

#B33524

secondary

#6ABDC9

accent

#D5E93E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B33524

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

Preview Lab → · Contrast checker → · Palette generator →