#B33B4A#B33B4A

#B33B4A is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.155 H 17.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B33B4A
RGB	rgb(179, 59, 74)
HSL	hsl(353, 50%, 47%)
HSV	hsv(353, 67%, 70%)
CMYK	cmyk(0%, 67%, 58.7%, 29.8%)
CIE-LAB	lab(43.08, 49.50, 18.44)
CIE-LCH	lch(43.08, 52.82, 20.43°)
OKLab	oklab(52.85% 0.1481 0.0453)
OKLCH	oklch(52.85% 0.155 17)
XYZ	xyz(21.3924, 13.2090, 7.9003)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B4A #3BB3A4

analogous

#B33B86 #B33B4A #B3683B

triadic

#B33B4A #4AB33B #3B4AB3

tetradic

#B33B4A #86B33B #3BB3A4 #683BB3

square

#B33B4A #86B33B #3BB3A4 #683BB3

split-complementary

#B33B4A #3BB368 #3B86B3

monochromatic

#571D24 #852C37 #B33B4A #CB606E #DA8E98

Accessibility & contrast

On white

5.77

#B33B4A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B33B4A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B4A

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B4A	#FFFFFF	#000000	##FFFFFF
##B33B4A	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59564A

Deuteranopia (green-blind)

#786F47

Tritanopia (blue-blind)

#C42141

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b4a;
/* rgb */ color: rgb(179, 59, 74);
/* oklch */ color: oklch(52.9% 0.155 17.0);

Tailwind

colors: {
  custom: {
    50: '#d0787c',
    500: '#b33b4a',
    950: '#000000',
  },
}

SCSS

$custom: #b33b4a;
$custom-light: #d0787c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b4a",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 74
  },
  "hsl": {
    "h": 352.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52853,
    "c": 0.15492,
    "h": 17
  },
  "luminance": 0.13206
}

Semantic roles & 50–950 ramp

primary

#B33B4A

secondary

#85C5BD

accent

#DAC84E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33B4A

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

Preview Lab → · Contrast checker → · Palette generator →