#B33F20#B33F20

#B33F20 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.157 H 35.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B33F20
RGB	rgb(179, 63, 32)
HSL	hsl(13, 70%, 41%)
HSV	hsv(13, 82%, 70%)
CMYK	cmyk(0%, 64.8%, 82.1%, 29.8%)
CIE-LAB	lab(43.13, 45.61, 42.66)
CIE-LCH	lch(43.13, 62.45, 43.09°)
OKLab	oklab(52.71% 0.1278 0.0913)
OKLCH	oklch(52.71% 0.157 35.6)
XYZ	xyz(20.6310, 13.2460, 2.8366)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F20 #2094B3

analogous

#B3204B #B33F20 #B38920

triadic

#B33F20 #20B33F #3F20B3

tetradic

#B33F20 #4BB320 #2094B3 #8920B3

square

#B33F20 #4BB320 #2094B3 #8920B3

split-complementary

#B33F20 #20B389 #204BB3

monochromatic

#4B1A0D #7F2D17 #B33F20 #DB5835 #E48369

Accessibility & contrast

On white

5.76

#B33F20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B33F20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F20

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F20	#FFFFFF	#000000	##FFFFFF
##B33F20	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60561B

Deuteranopia (green-blind)

#7D6F1B

Tritanopia (blue-blind)

#C51E39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33f20;
/* rgb */ color: rgb(179, 63, 32);
/* oklch */ color: oklch(52.7% 0.157 35.6);

Tailwind

colors: {
  custom: {
    50: '#d2795e',
    500: '#b33f20',
    950: '#000000',
  },
}

SCSS

$custom: #b33f20;
$custom-light: #d2795e;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f20",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 32
  },
  "hsl": {
    "h": 12.653,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52708,
    "c": 0.15704,
    "h": 35.6
  },
  "luminance": 0.13243
}

Semantic roles & 50–950 ramp

primary

#B33F20

secondary

#65B5CA

accent

#C7EC3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B33F20

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

Preview Lab → · Contrast checker → · Palette generator →