#B33C2B#B33C2B

#B33C2B is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.158 H 31.0°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B33C2B
RGB	rgb(179, 60, 43)
HSL	hsl(8, 61%, 44%)
HSV	hsv(8, 76%, 70%)
CMYK	cmyk(0%, 66.5%, 76%, 29.8%)
CIE-LAB	lab(42.75, 47.31, 36.48)
CIE-LCH	lch(42.75, 59.75, 37.64°)
OKLab	oklab(52.46% 0.1351 0.0811)
OKLCH	oklch(52.46% 0.158 31)
XYZ	xyz(20.6446, 12.9929, 3.7058)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C2B #2BA2B3

analogous

#B32B5E #B33C2B #B3802B

triadic

#B33C2B #2BB33C #3C2BB3

tetradic

#B33C2B #5EB32B #2BA2B3 #802BB3

square

#B33C2B #5EB32B #2BA2B3 #802BB3

split-complementary

#B33C2B #2BB380 #2B5EB3

monochromatic

#501B13 #822B1F #B33C2B #D35948 #DF8679

Accessibility & contrast

On white

5.84

#B33C2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33C2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C2B

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C2B	#FFFFFF	#000000	##FFFFFF
##B33C2B	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5428

Deuteranopia (green-blind)

#7B6F27

Tritanopia (blue-blind)

#C51A39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c2b;
/* rgb */ color: rgb(179, 60, 43);
/* oklch */ color: oklch(52.5% 0.158 31.0);

Tailwind

colors: {
  custom: {
    50: '#d27865',
    500: '#b33c2b',
    950: '#000000',
  },
}

SCSS

$custom: #b33c2b;
$custom-light: #d27865;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c2b",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 43
  },
  "hsl": {
    "h": 7.5,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52456,
    "c": 0.1576,
    "h": 31
  },
  "luminance": 0.1299
}

Semantic roles & 50–950 ramp

primary

#B33C2B

secondary

#73BCC7

accent

#D0E443

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33C2B

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

Preview Lab → · Contrast checker → · Palette generator →