#B33B36#B33B36

#B33B36 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.157 H 26.4°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B33B36
RGB	rgb(179, 59, 54)
HSL	hsl(2, 54%, 46%)
HSV	hsv(2, 70%, 70%)
CMYK	cmyk(0%, 67%, 69.8%, 29.8%)
CIE-LAB	lab(42.73, 48.25, 30.13)
CIE-LCH	lch(42.73, 56.89, 31.99°)
OKLab	oklab(52.49% 0.1403 0.0696)
OKLCH	oklch(52.49% 0.157 26.4)
XYZ	xyz(20.8224, 12.9810, 4.8985)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B36 #36AEB3

analogous

#B3366F #B33B36 #B37936

triadic

#B33B36 #36B33B #3B36B3

tetradic

#B33B36 #6FB336 #36AEB3 #7936B3

square

#B33B36 #6FB336 #36AEB3 #7936B3

split-complementary

#B33B36 #36B379 #366FB3

monochromatic

#551C1A #842C28 #B33B36 #CD5E59 #DB8C88

Accessibility & contrast

On white

5.84

#B33B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B36

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B36	#FFFFFF	#000000	##FFFFFF
##B33B36	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)

#5C5434

Deuteranopia (green-blind)

#7A6E32

Tritanopia (blue-blind)

#C51B3B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b36;
/* rgb */ color: rgb(179, 59, 54);
/* oklch */ color: oklch(52.5% 0.157 26.4);

Tailwind

colors: {
  custom: {
    50: '#d1786d',
    500: '#b33b36',
    950: '#000000',
  },
}

SCSS

$custom: #b33b36;
$custom-light: #d1786d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b36",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 54
  },
  "hsl": {
    "h": 2.4,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52487,
    "c": 0.15663,
    "h": 26.4
  },
  "luminance": 0.12978
}

Semantic roles & 50–950 ramp

primary

#B33B36

secondary

#80C2C5

accent

#D7DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33B36

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

Preview Lab → · Contrast checker → · Palette generator →