#B33B2D#B33B2D

#B33B2D is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.158 H 29.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B33B2D
RGB	rgb(179, 59, 45)
HSL	hsl(6, 60%, 44%)
HSV	hsv(6, 75%, 70%)
CMYK	cmyk(0%, 67%, 74.9%, 29.8%)
CIE-LAB	lab(42.62, 47.82, 35.22)
CIE-LCH	lch(42.62, 59.39, 36.37°)
OKLab	oklab(52.36% 0.1371 0.0789)
OKLCH	oklch(52.36% 0.158 29.9)
XYZ	xyz(20.6303, 12.9041, 3.8865)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B2D #2DA5B3

analogous

#B32D62 #B33B2D #B37E2D

triadic

#B33B2D #2DB33B #3B2DB3

tetradic

#B33B2D #62B32D #2DA5B3 #7E2DB3

square

#B33B2D #62B32D #2DA5B3 #7E2DB3

split-complementary

#B33B2D #2DB37E #2D62B3

monochromatic

#511B14 #822B21 #B33B2D #D2594B #DE867C

Accessibility & contrast

On white

5.87

#B33B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B33B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B2D

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B2D	#FFFFFF	#000000	##FFFFFF
##B33B2D	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542B

Deuteranopia (green-blind)

#7B6E29

Tritanopia (blue-blind)

#C51839

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b2d;
/* rgb */ color: rgb(179, 59, 45);
/* oklch */ color: oklch(52.4% 0.158 29.9);

Tailwind

colors: {
  custom: {
    50: '#d27767',
    500: '#b33b2d',
    950: '#000000',
  },
}

SCSS

$custom: #b33b2d;
$custom-light: #d27767;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b2d",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 45
  },
  "hsl": {
    "h": 6.269,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52362,
    "c": 0.15817,
    "h": 29.9
  },
  "luminance": 0.12901
}

Semantic roles & 50–950 ramp

primary

#B33B2D

secondary

#75BEC7

accent

#D2E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33B2D

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

Preview Lab → · Contrast checker → · Palette generator →