#B33C25#B33C25

#B33C25 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.159 H 33.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B33C25
RGB	rgb(179, 60, 37)
HSL	hsl(10, 66%, 42%)
HSV	hsv(10, 79%, 70%)
CMYK	cmyk(0%, 66.5%, 79.3%, 29.8%)
CIE-LAB	lab(42.69, 47.08, 39.68)
CIE-LCH	lch(42.69, 61.57, 40.12°)
OKLab	oklab(52.39% 0.1332 0.0864)
OKLCH	oklch(52.39% 0.159 33)
XYZ	xyz(20.5425, 12.9520, 3.1682)
Luminance	0.1295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C25 #259CB3

analogous

#B32555 #B33C25 #B38325

triadic

#B33C25 #25B33C #3C25B3

tetradic

#B33C25 #55B325 #259CB3 #8325B3

square

#B33C25 #55B325 #259CB3 #8325B3

split-complementary

#B33C25 #25B383 #2555B3

monochromatic

#4E1A10 #802B1B #B33C25 #D7573E #E28371

Accessibility & contrast

On white

5.85

#B33C25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B33C25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C25

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C25	#FFFFFF	#000000	##FFFFFF
##B33C25	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5421

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#C51938

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c25;
/* rgb */ color: rgb(179, 60, 37);
/* oklch */ color: oklch(52.4% 0.159 33.0);

Tailwind

colors: {
  custom: {
    50: '#d27861',
    500: '#b33c25',
    950: '#000000',
  },
}

SCSS

$custom: #b33c25;
$custom-light: #d27861;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c25",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 37
  },
  "hsl": {
    "h": 9.718,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5239,
    "c": 0.15878,
    "h": 33
  },
  "luminance": 0.12949
}

Semantic roles & 50–950 ramp

primary

#B33C25

secondary

#6BB9C8

accent

#CDE93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33C25

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

Preview Lab → · Contrast checker → · Palette generator →