#B33835#B33835

#B33835 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.160 H 25.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B33835
RGB	rgb(179, 56, 53)
HSL	hsl(1, 54%, 45%)
HSV	hsv(1, 70%, 70%)
CMYK	cmyk(0%, 68.7%, 70.4%, 29.8%)
CIE-LAB	lab(42.27, 49.44, 30.17)
CIE-LCH	lch(42.27, 57.92, 31.39°)
OKLab	oklab(52.13% 0.1438 0.0695)
OKLCH	oklch(52.13% 0.16 25.8)
XYZ	xyz(20.6494, 12.6721, 4.7261)
Luminance	0.1267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33835 #35B0B3

analogous

#B33571 #B33835 #B37735

triadic

#B33835 #35B338 #3835B3

tetradic

#B33835 #71B335 #35B0B3 #7735B3

square

#B33835 #71B335 #35B0B3 #7735B3

split-complementary

#B33835 #35B377 #3571B3

monochromatic

#551A19 #842927 #B33835 #CD5B58 #DB8987

Accessibility & contrast

On white

5.94

#B33835 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B33835 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33835

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33835	#FFFFFF	#000000	##FFFFFF
##B33835	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5334

Deuteranopia (green-blind)

#796E31

Tritanopia (blue-blind)

#C51339

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33835;
/* rgb */ color: rgb(179, 56, 53);
/* oklch */ color: oklch(52.1% 0.160 25.8);

Tailwind

colors: {
  custom: {
    50: '#d1766c',
    500: '#b33835',
    950: '#000000',
  },
}

SCSS

$custom: #b33835;
$custom-light: #d1766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33835",
  "rgb": {
    "r": 179,
    "g": 56,
    "b": 53
  },
  "hsl": {
    "h": 1.429,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52131,
    "c": 0.15976,
    "h": 25.8
  },
  "luminance": 0.12669
}

Semantic roles & 50–950 ramp

primary

#B33835

secondary

#7FC4C5

accent

#DADE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33835

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

Preview Lab → · Contrast checker → · Palette generator →