#B33736#B33736

#B33736 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.161 H 25.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B33736
RGB	rgb(179, 55, 54)
HSL	hsl(0, 54%, 46%)
HSV	hsv(0, 70%, 70%)
CMYK	cmyk(0%, 69.3%, 69.8%, 29.8%)
CIE-LAB	lab(42.13, 49.89, 29.42)
CIE-LCH	lch(42.13, 57.92, 30.52°)
OKLab	oklab(52.04% 0.1455 0.068)
OKLCH	oklch(52.04% 0.161 25.1)
XYZ	xyz(20.6247, 12.5854, 4.8325)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33736 #36B2B3

analogous

#B33673 #B33736 #B37536

triadic

#B33736 #36B337 #3736B3

tetradic

#B33736 #73B336 #36B2B3 #7536B3

square

#B33736 #73B336 #36B2B3 #7536B3

split-complementary

#B33736 #36B375 #3673B3

monochromatic

#551A1A #842928 #B33736 #CD5A59 #DB8988

Accessibility & contrast

On white

5.97

#B33736 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B33736 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33736

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33736	#FFFFFF	#000000	##FFFFFF
##B33736	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5235

Deuteranopia (green-blind)

#796D32

Tritanopia (blue-blind)

#C51138

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33736;
/* rgb */ color: rgb(179, 55, 54);
/* oklch */ color: oklch(52.0% 0.161 25.1);

Tailwind

colors: {
  custom: {
    50: '#d1766d',
    500: '#b33736',
    950: '#000000',
  },
}

SCSS

$custom: #b33736;
$custom-light: #d1766d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33736",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 54
  },
  "hsl": {
    "h": 0.48,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52036,
    "c": 0.16061,
    "h": 25.1
  },
  "luminance": 0.12582
}

Semantic roles & 50–950 ramp

primary

#B33736

secondary

#80C5C5

accent

#DCDD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33736

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

Preview Lab → · Contrast checker → · Palette generator →