#B33016#B33016

#B33016 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.172 H 33.0°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B33016
RGB	rgb(179, 48, 22)
HSL	hsl(10, 78%, 39%)
HSV	hsv(10, 88%, 70%)
CMYK	cmyk(0%, 73.2%, 87.7%, 29.8%)
CIE-LAB	lab(40.83, 51.42, 45.33)
CIE-LCH	lch(40.83, 68.55, 41.40°)
OKLab	oklab(50.96% 0.1441 0.0934)
OKLCH	oklch(50.96% 0.172 33)
XYZ	xyz(19.7946, 11.7587, 1.9863)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33016 #1699B3

analogous

#B3164B #B33016 #B37E16

triadic

#B33016 #16B330 #3016B3

tetradic

#B33016 #4BB316 #1699B3 #7E16B3

square

#B33016 #4BB316 #1699B3 #7E16B3

split-complementary

#B33016 #16B37E #164BB3

monochromatic

#461309 #7C210F #B33016 #E44222 #EB7159

Accessibility & contrast

On white

6.27

#B33016 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B33016 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33016

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33016	#FFFFFF	#000000	##FFFFFF
##B33016	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E10

Deuteranopia (green-blind)

#786B0C

Tritanopia (blue-blind)

#C6002C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b33016;
/* rgb */ color: rgb(179, 48, 22);
/* oklch */ color: oklch(51.0% 0.172 33.0);

Tailwind

colors: {
  custom: {
    50: '#d47257',
    500: '#b33016',
    950: '#000000',
  },
}

SCSS

$custom: #b33016;
$custom-light: #d47257;
$custom-dark: #000000;

JSON

{
  "hex": "#b33016",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 22
  },
  "hsl": {
    "h": 9.936,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50958,
    "c": 0.17169,
    "h": 33
  },
  "luminance": 0.11756
}

Semantic roles & 50–950 ramp

primary

#B33016

secondary

#57BACE

accent

#D5F533

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B33016

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

Preview Lab → · Contrast checker → · Palette generator →