#B33519#B33519

#B33519 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.167 H 33.8°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B33519
RGB	rgb(179, 53, 25)
HSL	hsl(11, 75%, 40%)
HSV	hsv(11, 86%, 70%)
CMYK	cmyk(0%, 70.4%, 86%, 29.8%)
CIE-LAB	lab(41.54, 49.59, 44.57)
CIE-LCH	lch(41.54, 66.68, 41.94°)
OKLab	oklab(51.49% 0.1389 0.0929)
OKLCH	oklch(51.49% 0.167 33.8)
XYZ	xyz(20.0414, 12.2032, 2.2197)
Luminance	0.1220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33519 #1997B3

analogous

#B3194A #B33519 #B38219

triadic

#B33519 #19B335 #3519B3

tetradic

#B33519 #4AB319 #1997B3 #8219B3

square

#B33519 #4AB319 #1997B3 #8219B3

split-complementary

#B33519 #19B382 #194AB3

monochromatic

#48150A #7D2512 #B33519 #E14A28 #E8775E

Accessibility & contrast

On white

6.10

#B33519 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B33519 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33519

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33519	#FFFFFF	#000000	##FFFFFF
##B33519	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5014

Deuteranopia (green-blind)

#7A6C11

Tritanopia (blue-blind)

#C50030

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33519;
/* rgb */ color: rgb(179, 53, 25);
/* oklch */ color: oklch(51.5% 0.167 33.8);

Tailwind

colors: {
  custom: {
    50: '#d37459',
    500: '#b33519',
    950: '#000000',
  },
}

SCSS

$custom: #b33519;
$custom-light: #d37459;
$custom-dark: #000000;

JSON

{
  "hex": "#b33519",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 25
  },
  "hsl": {
    "h": 10.909,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.51493,
    "c": 0.16711,
    "h": 33.8
  },
  "luminance": 0.122
}

Semantic roles & 50–950 ramp

primary

#B33519

secondary

#5BB8CC

accent

#D0F236

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B33519

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

Preview Lab → · Contrast checker → · Palette generator →