#B33B48#B33B48

#B33B48 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.155 H 18.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B33B48
RGB	rgb(179, 59, 72)
HSL	hsl(354, 50%, 47%)
HSV	hsv(354, 67%, 70%)
CMYK	cmyk(0%, 67%, 59.8%, 29.8%)
CIE-LAB	lab(43.04, 49.36, 19.62)
CIE-LCH	lch(43.04, 53.11, 21.68°)
OKLab	oklab(52.81% 0.1473 0.048)
OKLCH	oklch(52.81% 0.155 18)
XYZ	xyz(21.3261, 13.1824, 7.5511)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B48 #3BB3A6

analogous

#B33B84 #B33B48 #B36A3B

triadic

#B33B48 #48B33B #3B48B3

tetradic

#B33B48 #84B33B #3BB3A6 #6A3BB3

square

#B33B48 #84B33B #3BB3A6 #6A3BB3

split-complementary

#B33B48 #3BB36A #3B84B3

monochromatic

#571D23 #852C35 #B33B48 #CB606C #DA8E97

Accessibility & contrast

On white

5.78

#B33B48 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B33B48 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B48

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B48	#FFFFFF	#000000	##FFFFFF
##B33B48	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5648

Deuteranopia (green-blind)

#786F45

Tritanopia (blue-blind)

#C42141

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b48;
/* rgb */ color: rgb(179, 59, 72);
/* oklch */ color: oklch(52.8% 0.155 18.0);

Tailwind

colors: {
  custom: {
    50: '#d0787a',
    500: '#b33b48',
    950: '#000000',
  },
}

SCSS

$custom: #b33b48;
$custom-light: #d0787a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b48",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 72
  },
  "hsl": {
    "h": 353.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5281,
    "c": 0.15495,
    "h": 18
  },
  "luminance": 0.1318
}

Semantic roles & 50–950 ramp

primary

#B33B48

secondary

#85C5BE

accent

#DACB4E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33B48

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

Preview Lab → · Contrast checker → · Palette generator →