#B33A36#B33A36

#B33A36 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.158 H 26.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B33A36
RGB	rgb(179, 58, 54)
HSL	hsl(2, 54%, 46%)
HSV	hsv(2, 70%, 70%)
CMYK	cmyk(0%, 67.6%, 69.8%, 29.8%)
CIE-LAB	lab(42.58, 48.67, 29.95)
CIE-LCH	lch(42.58, 57.15, 31.61°)
OKLab	oklab(52.37% 0.1416 0.0692)
OKLCH	oklch(52.37% 0.158 26)
XYZ	xyz(20.7715, 12.8792, 4.8815)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A36 #36AFB3

analogous

#B33670 #B33A36 #B37836

triadic

#B33A36 #36B33A #3A36B3

tetradic

#B33A36 #70B336 #36AFB3 #7836B3

square

#B33A36 #70B336 #36AFB3 #7836B3

split-complementary

#B33A36 #36B378 #3670B3

monochromatic

#551C1A #842B28 #B33A36 #CD5D59 #DB8B88

Accessibility & contrast

On white

5.87

#B33A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B33A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A36

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A36	#FFFFFF	#000000	##FFFFFF
##B33A36	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)

#5B5435

Deuteranopia (green-blind)

#7A6E32

Tritanopia (blue-blind)

#C5193A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33a36;
/* rgb */ color: rgb(179, 58, 54);
/* oklch */ color: oklch(52.4% 0.158 26.0);

Tailwind

colors: {
  custom: {
    50: '#d1776d',
    500: '#b33a36',
    950: '#000000',
  },
}

SCSS

$custom: #b33a36;
$custom-light: #d1776d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a36",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.92,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52371,
    "c": 0.15764,
    "h": 26
  },
  "luminance": 0.12876
}

Semantic roles & 50–950 ramp

primary

#B33A36

secondary

#80C3C5

accent

#D8DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33A36

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

Preview Lab → · Contrast checker → · Palette generator →