#B33719#B33719

#B33719 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.165 H 34.4°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B33719
RGB	rgb(179, 55, 25)
HSL	hsl(12, 75%, 40%)
HSV	hsv(12, 86%, 70%)
CMYK	cmyk(0%, 69.3%, 86%, 29.8%)
CIE-LAB	lab(41.83, 48.80, 44.82)
CIE-LCH	lch(41.83, 66.26, 42.56°)
OKLab	oklab(51.71% 0.1364 0.0935)
OKLCH	oklch(51.71% 0.165 34.4)
XYZ	xyz(20.1345, 12.3893, 2.2507)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33719 #1995B3

analogous

#B31948 #B33719 #B38419

triadic

#B33719 #19B337 #3719B3

tetradic

#B33719 #48B319 #1995B3 #8419B3

square

#B33719 #48B319 #1995B3 #8419B3

split-complementary

#B33719 #19B384 #1948B3

monochromatic

#48160A #7D2612 #B33719 #E14C28 #E8795E

Accessibility & contrast

On white

6.04

#B33719 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B33719 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33719

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33719	#FFFFFF	#000000	##FFFFFF
##B33719	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5113

Deuteranopia (green-blind)

#7A6D11

Tritanopia (blue-blind)

#C50532

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33719;
/* rgb */ color: rgb(179, 55, 25);
/* oklch */ color: oklch(51.7% 0.165 34.4);

Tailwind

colors: {
  custom: {
    50: '#d37559',
    500: '#b33719',
    950: '#000000',
  },
}

SCSS

$custom: #b33719;
$custom-light: #d37559;
$custom-dark: #000000;

JSON

{
  "hex": "#b33719",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 25
  },
  "hsl": {
    "h": 11.688,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.51712,
    "c": 0.1654,
    "h": 34.4
  },
  "luminance": 0.12386
}

Semantic roles & 50–950 ramp

primary

#B33719

secondary

#5BB6CC

accent

#CDF236

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B33719

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

Preview Lab → · Contrast checker → · Palette generator →