#B33A26#B33A26

#B33A26 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.160 H 31.9°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B33A26
RGB	rgb(179, 58, 38)
HSL	hsl(9, 65%, 43%)
HSV	hsv(9, 79%, 70%)
CMYK	cmyk(0%, 67.6%, 78.8%, 29.8%)
CIE-LAB	lab(42.39, 47.96, 38.84)
CIE-LCH	lch(42.39, 61.71, 39.00°)
OKLab	oklab(52.17% 0.1361 0.0849)
OKLCH	oklch(52.17% 0.16 31.9)
XYZ	xyz(20.4556, 12.7528, 3.2178)
Luminance	0.1275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A26 #269FB3

analogous

#B32658 #B33A26 #B38126

triadic

#B33A26 #26B33A #3A26B3

tetradic

#B33A26 #58B326 #269FB3 #8126B3

square

#B33A26 #58B326 #269FB3 #8126B3

split-complementary

#B33A26 #26B381 #2658B3

monochromatic

#4E1911 #812A1B #B33A26 #D65540 #E18272

Accessibility & contrast

On white

5.92

#B33A26 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B33A26 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A26

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A26	#FFFFFF	#000000	##FFFFFF
##B33A26	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5323

Deuteranopia (green-blind)

#7B6E21

Tritanopia (blue-blind)

#C51436

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33a26;
/* rgb */ color: rgb(179, 58, 38);
/* oklch */ color: oklch(52.2% 0.160 31.9);

Tailwind

colors: {
  custom: {
    50: '#d27762',
    500: '#b33a26',
    950: '#000000',
  },
}

SCSS

$custom: #b33a26;
$custom-light: #d27762;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a26",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 38
  },
  "hsl": {
    "h": 8.511,
    "s": 64.977,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52166,
    "c": 0.16043,
    "h": 31.9
  },
  "luminance": 0.1275
}

Semantic roles & 50–950 ramp

primary

#B33A26

secondary

#6DBBC8

accent

#D0E840

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B33A26

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

Preview Lab → · Contrast checker → · Palette generator →