#B33B4E#B33B4E

#B33B4E is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.155 H 15.0°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B33B4E
RGB	rgb(179, 59, 78)
HSL	hsl(351, 50%, 47%)
HSV	hsv(351, 67%, 70%)
CMYK	cmyk(0%, 67%, 56.4%, 29.8%)
CIE-LAB	lab(43.16, 49.80, 16.08)
CIE-LCH	lch(43.16, 52.33, 17.89°)
OKLab	oklab(52.94% 0.1497 0.04)
OKLCH	oklch(52.94% 0.155 15)
XYZ	xyz(21.5315, 13.2646, 8.6328)
Luminance	0.1326 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B4E #3BB3A0

analogous

#B33B8A #B33B4E #B3643B

triadic

#B33B4E #4EB33B #3B4EB3

tetradic

#B33B4E #8AB33B #3BB3A0 #643BB3

square

#B33B4E #8AB33B #3BB3A0 #643BB3

split-complementary

#B33B4E #3BB364 #3B8AB3

monochromatic

#571D26 #852C3A #B33B4E #CB6071 #DA8E9A

Accessibility & contrast

On white

5.75

#B33B4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B33B4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B4E

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B4E	#FFFFFF	#000000	##FFFFFF
##B33B4E	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59564E

Deuteranopia (green-blind)

#776F4B

Tritanopia (blue-blind)

#C42343

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b4e;
/* rgb */ color: rgb(179, 59, 78);
/* oklch */ color: oklch(52.9% 0.155 15.0);

Tailwind

colors: {
  custom: {
    50: '#d0787f',
    500: '#b33b4e',
    950: '#000000',
  },
}

SCSS

$custom: #b33b4e;
$custom-light: #d0787f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b4e",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 350.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52942,
    "c": 0.15499,
    "h": 15
  },
  "luminance": 0.13262
}

Semantic roles & 50–950 ramp

primary

#B33B4E

secondary

#85C5BB

accent

#DAC44E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B33B4E

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

Preview Lab → · Contrast checker → · Palette generator →