#B33022#B33022

#B33022 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.170 H 30.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B33022
RGB	rgb(179, 48, 34)
HSL	hsl(6, 68%, 42%)
HSV	hsv(6, 81%, 70%)
CMYK	cmyk(0%, 73.2%, 81%, 29.8%)
CIE-LAB	lab(40.92, 51.73, 39.51)
CIE-LCH	lch(40.92, 65.09, 37.37°)
OKLab	oklab(51.06% 0.1471 0.0851)
OKLCH	oklch(51.06% 0.17 30)
XYZ	xyz(19.9385, 11.8162, 2.7440)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33022 #22A5B3

analogous

#B3225D #B33022 #B37922

triadic

#B33022 #22B330 #3022B3

tetradic

#B33022 #5DB322 #22A5B3 #7922B3

square

#B33022 #5DB322 #22A5B3 #7922B3

split-complementary

#B33022 #22B379 #225DB3

monochromatic

#4C140E #802218 #B33022 #D94839 #E3786C

Accessibility & contrast

On white

6.25

#B33022 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B33022 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33022

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33022	#FFFFFF	#000000	##FFFFFF
##B33022	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1F

Deuteranopia (green-blind)

#786B1C

Tritanopia (blue-blind)

#C5002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b33022;
/* rgb */ color: rgb(179, 48, 34);
/* oklch */ color: oklch(51.1% 0.170 30.0);

Tailwind

colors: {
  custom: {
    50: '#d3725f',
    500: '#b33022',
    950: '#000000',
  },
}

SCSS

$custom: #b33022;
$custom-light: #d3725f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33022",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 34
  },
  "hsl": {
    "h": 5.793,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51056,
    "c": 0.16994,
    "h": 30
  },
  "luminance": 0.11813
}

Semantic roles & 50–950 ramp

primary

#B33022

secondary

#68C0C9

accent

#DAEB3D

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B33022

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

Preview Lab → · Contrast checker → · Palette generator →