#B33E25#B33E25

#B33E25 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.157 H 33.7°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B33E25
RGB	rgb(179, 62, 37)
HSL	hsl(11, 66%, 42%)
HSV	hsv(11, 79%, 70%)
CMYK	cmyk(0%, 65.4%, 79.3%, 29.8%)
CIE-LAB	lab(43.01, 46.22, 40.00)
CIE-LCH	lch(43.01, 61.12, 40.87°)
OKLab	oklab(52.63% 0.1305 0.0871)
OKLCH	oklch(52.63% 0.157 33.7)
XYZ	xyz(20.6493, 13.1655, 3.2038)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E25 #259AB3

analogous

#B32553 #B33E25 #B38525

triadic

#B33E25 #25B33E #3E25B3

tetradic

#B33E25 #53B325 #259AB3 #8525B3

square

#B33E25 #53B325 #259AB3 #8525B3

split-complementary

#B33E25 #25B385 #2553B3

monochromatic

#4E1B10 #802C1B #B33E25 #D7593E #E28571

Accessibility & contrast

On white

5.78

#B33E25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B33E25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E25

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E25	#FFFFFF	#000000	##FFFFFF
##B33E25	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)

#5F5521

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#C51D39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e25;
/* rgb */ color: rgb(179, 62, 37);
/* oklch */ color: oklch(52.6% 0.157 33.7);

Tailwind

colors: {
  custom: {
    50: '#d27961',
    500: '#b33e25',
    950: '#000000',
  },
}

SCSS

$custom: #b33e25;
$custom-light: #d27961;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e25",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 37
  },
  "hsl": {
    "h": 10.563,
    "s": 65.741,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52631,
    "c": 0.15693,
    "h": 33.7
  },
  "luminance": 0.13163
}

Semantic roles & 50–950 ramp

primary

#B33E25

secondary

#6BB8C8

accent

#CBE93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33E25

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

Preview Lab → · Contrast checker → · Palette generator →