#B33D22#B33D22

#B33D22 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.158 H 34.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B33D22
RGB	rgb(179, 61, 34)
HSL	hsl(11, 68%, 42%)
HSV	hsv(11, 81%, 70%)
CMYK	cmyk(0%, 65.9%, 81%, 29.8%)
CIE-LAB	lab(42.82, 46.55, 41.36)
CIE-LCH	lch(42.82, 62.27, 41.62°)
OKLab	oklab(52.48% 0.131 0.0891)
OKLCH	oklch(52.48% 0.158 34.2)
XYZ	xyz(20.5502, 13.0397, 2.9479)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D22 #2298B3

analogous

#B32250 #B33D22 #B38522

triadic

#B33D22 #22B33D #3D22B3

tetradic

#B33D22 #50B322 #2298B3 #8522B3

square

#B33D22 #50B322 #2298B3 #8522B3

split-complementary

#B33D22 #22B385 #2250B3

monochromatic

#4C1A0E #802B18 #B33D22 #D95739 #E3826C

Accessibility & contrast

On white

5.82

#B33D22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B33D22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D22

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D22	#FFFFFF	#000000	##FFFFFF
##B33D22	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F551E

Deuteranopia (green-blind)

#7C6F1D

Tritanopia (blue-blind)

#C51A38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33d22;
/* rgb */ color: rgb(179, 61, 34);
/* oklch */ color: oklch(52.5% 0.158 34.2);

Tailwind

colors: {
  custom: {
    50: '#d2785f',
    500: '#b33d22',
    950: '#000000',
  },
}

SCSS

$custom: #b33d22;
$custom-light: #d2785f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d22",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 34
  },
  "hsl": {
    "h": 11.172,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52481,
    "c": 0.15845,
    "h": 34.2
  },
  "luminance": 0.13037
}

Semantic roles & 50–950 ramp

primary

#B33D22

secondary

#68B7C9

accent

#CBEB3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B33D22

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

Preview Lab → · Contrast checker → · Palette generator →