#B33836#B33836

#B33836 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.160 H 25.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B33836
RGB	rgb(179, 56, 54)
HSL	hsl(1, 54%, 46%)
HSV	hsv(1, 70%, 70%)
CMYK	cmyk(0%, 68.7%, 69.8%, 29.8%)
CIE-LAB	lab(42.28, 49.49, 29.59)
CIE-LCH	lch(42.28, 57.66, 30.88°)
OKLab	oklab(52.15% 0.1442 0.0684)
OKLCH	oklch(52.15% 0.16 25.4)
XYZ	xyz(20.6727, 12.6814, 4.8485)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33836 #36B1B3

analogous

#B33672 #B33836 #B37636

triadic

#B33836 #36B338 #3836B3

tetradic

#B33836 #72B336 #36B1B3 #7636B3

square

#B33836 #72B336 #36B1B3 #7636B3

split-complementary

#B33836 #36B376 #3672B3

monochromatic

#551B1A #842928 #B33836 #CD5B59 #DB8A88

Accessibility & contrast

On white

5.94

#B33836 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B33836 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33836

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33836	#FFFFFF	#000000	##FFFFFF
##B33836	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5335

Deuteranopia (green-blind)

#796E32

Tritanopia (blue-blind)

#C51439

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33836;
/* rgb */ color: rgb(179, 56, 54);
/* oklch */ color: oklch(52.1% 0.160 25.4);

Tailwind

colors: {
  custom: {
    50: '#d1766d',
    500: '#b33836',
    950: '#000000',
  },
}

SCSS

$custom: #b33836;
$custom-light: #d1766d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33836",
  "rgb": {
    "r": 179,
    "g": 56,
    "b": 54
  },
  "hsl": {
    "h": 0.96,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52146,
    "c": 0.15963,
    "h": 25.4
  },
  "luminance": 0.12678
}

Semantic roles & 50–950 ramp

primary

#B33836

secondary

#80C4C5

accent

#DBDD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33836

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

Preview Lab → · Contrast checker → · Palette generator →