#B33B34#B33B34

#B33B34 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.157 H 27.2°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B33B34
RGB	rgb(179, 59, 52)
HSL	hsl(3, 55%, 45%)
HSV	hsv(3, 71%, 70%)
CMYK	cmyk(0%, 67%, 70.9%, 29.8%)
CIE-LAB	lab(42.71, 48.15, 31.28)
CIE-LCH	lch(42.71, 57.42, 33.01°)
OKLab	oklab(52.46% 0.1396 0.0718)
OKLCH	oklch(52.46% 0.157 27.2)
XYZ	xyz(20.7764, 12.9626, 4.6562)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B34 #34ACB3

analogous

#B3346C #B33B34 #B37A34

triadic

#B33B34 #34B33B #3B34B3

tetradic

#B33B34 #6CB334 #34ACB3 #7A34B3

square

#B33B34 #6CB334 #34ACB3 #7A34B3

split-complementary

#B33B34 #34B37A #346CB3

monochromatic

#541C18 #842B26 #B33B34 #CE5D56 #DC8A86

Accessibility & contrast

On white

5.85

#B33B34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B33B34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B34

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B34	#FFFFFF	#000000	##FFFFFF
##B33B34	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5432

Deuteranopia (green-blind)

#7A6E30

Tritanopia (blue-blind)

#C51A3A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b34;
/* rgb */ color: rgb(179, 59, 52);
/* oklch */ color: oklch(52.5% 0.157 27.2);

Tailwind

colors: {
  custom: {
    50: '#d1786c',
    500: '#b33b34',
    950: '#000000',
  },
}

SCSS

$custom: #b33b34;
$custom-light: #d1786c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b34",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 3.307,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52457,
    "c": 0.15695,
    "h": 27.2
  },
  "luminance": 0.1296
}

Semantic roles & 50–950 ramp

primary

#B33B34

secondary

#7DC1C5

accent

#D6DE49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33B34

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

Preview Lab → · Contrast checker → · Palette generator →