#B33633#B33633

#B33633 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.162 H 26.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B33633
RGB	rgb(179, 54, 51)
HSL	hsl(1, 56%, 45%)
HSV	hsv(1, 72%, 70%)
CMYK	cmyk(0%, 69.8%, 71.5%, 29.8%)
CIE-LAB	lab(41.94, 50.14, 30.98)
CIE-LCH	lch(41.94, 58.94, 31.71°)
OKLab	oklab(51.88% 0.1456 0.0709)
OKLCH	oklch(51.88% 0.162 26)
XYZ	xyz(20.5094, 12.4641, 4.4572)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33633 #33B0B3

analogous

#B33370 #B33633 #B37633

triadic

#B33633 #33B336 #3633B3

tetradic

#B33633 #70B333 #33B0B3 #7633B3

square

#B33633 #70B333 #33B0B3 #7633B3

split-complementary

#B33633 #33B376 #3370B3

monochromatic

#541918 #832825 #B33633 #CE5855 #DC8684

Accessibility & contrast

On white

6.01

#B33633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B33633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33633

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33633	#FFFFFF	#000000	##FFFFFF
##B33633	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595231

Deuteranopia (green-blind)

#796D2F

Tritanopia (blue-blind)

#C50D37

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33633;
/* rgb */ color: rgb(179, 54, 51);
/* oklch */ color: oklch(51.9% 0.162 26.0);

Tailwind

colors: {
  custom: {
    50: '#d2756b',
    500: '#b33633',
    950: '#000000',
  },
}

SCSS

$custom: #b33633;
$custom-light: #d2756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33633",
  "rgb": {
    "r": 179,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.406,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51882,
    "c": 0.16199,
    "h": 26
  },
  "luminance": 0.12461
}

Semantic roles & 50–950 ramp

primary

#B33633

secondary

#7CC4C6

accent

#DBDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33633

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

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