#B33723#B33723

#B33723 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.164 H 31.8°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B33723
RGB	rgb(179, 55, 35)
HSL	hsl(8, 67%, 42%)
HSV	hsv(8, 80%, 70%)
CMYK	cmyk(0%, 69.3%, 80.4%, 29.8%)
CIE-LAB	lab(41.91, 49.09, 39.95)
CIE-LCH	lch(41.91, 63.29, 39.14°)
OKLab	oklab(51.8% 0.1391 0.0864)
OKLCH	oklch(51.8% 0.164 31.8)
XYZ	xyz(20.2623, 12.4405, 2.9241)
Luminance	0.1244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33723 #239FB3

analogous

#B32357 #B33723 #B37F23

triadic

#B33723 #23B337 #3723B3

tetradic

#B33723 #57B323 #239FB3 #7F23B3

square

#B33723 #57B323 #239FB3 #7F23B3

split-complementary

#B33723 #23B37F #2357B3

monochromatic

#4D180F #802719 #B33723 #D9513B #E37E6E

Accessibility & contrast

On white

6.02

#B33723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B33723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33723

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33723	#FFFFFF	#000000	##FFFFFF
##B33723	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5120

Deuteranopia (green-blind)

#7A6D1D

Tritanopia (blue-blind)

#C50933

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33723;
/* rgb */ color: rgb(179, 55, 35);
/* oklch */ color: oklch(51.8% 0.164 31.8);

Tailwind

colors: {
  custom: {
    50: '#d27560',
    500: '#b33723',
    950: '#000000',
  },
}

SCSS

$custom: #b33723;
$custom-light: #d27560;
$custom-dark: #000000;

JSON

{
  "hex": "#b33723",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 8.333,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51796,
    "c": 0.1637,
    "h": 31.8
  },
  "luminance": 0.12437
}

Semantic roles & 50–950 ramp

primary

#B33723

secondary

#69BCC9

accent

#D2EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B33723

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

Preview Lab → · Contrast checker → · Palette generator →