#B33543#B33543

#B33543 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.162 H 18.7°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B33543
RGB	rgb(179, 53, 67)
HSL	hsl(353, 54%, 45%)
HSV	hsv(353, 70%, 70%)
CMYK	cmyk(0%, 70.4%, 62.6%, 29.8%)
CIE-LAB	lab(42.06, 51.43, 21.42)
CIE-LCH	lch(42.06, 55.72, 22.61°)
OKLab	oklab(52.05% 0.153 0.0517)
OKLCH	oklch(52.05% 0.162 18.7)
XYZ	xyz(20.8787, 12.5381, 6.6298)
Luminance	0.1253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33543 #35B3A5

analogous

#B33582 #B33543 #B36635

triadic

#B33543 #43B335 #3543B3

tetradic

#B33543 #82B335 #35B3A5 #6635B3

square

#B33543 #82B335 #35B3A5 #6635B3

split-complementary

#B33543 #35B366 #3582B3

monochromatic

#551920 #842731 #B33543 #CD5865 #DB8790

Accessibility & contrast

On white

5.99

#B33543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B33543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33543

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33543	#FFFFFF	#000000	##FFFFFF
##B33543	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575243

Deuteranopia (green-blind)

#776D40

Tritanopia (blue-blind)

#C4123B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33543;
/* rgb */ color: rgb(179, 53, 67);
/* oklch */ color: oklch(52.0% 0.162 18.7);

Tailwind

colors: {
  custom: {
    50: '#d17577',
    500: '#b33543',
    950: '#000000',
  },
}

SCSS

$custom: #b33543;
$custom-light: #d17577;
$custom-dark: #000000;

JSON

{
  "hex": "#b33543",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 353.333,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5205,
    "c": 0.16153,
    "h": 18.7
  },
  "luminance": 0.12535
}

Semantic roles & 50–950 ramp

primary

#B33543

secondary

#7FC5BD

accent

#DECD4A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33543

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

Preview Lab → · Contrast checker → · Palette generator →