#B33756#B33756

#B33756 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.160 H 9.7°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B33756
RGB	rgb(179, 55, 86)
HSL	hsl(345, 53%, 46%)
HSV	hsv(345, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 52%, 29.8%)
CIE-LAB	lab(42.75, 52.07, 10.55)
CIE-LCH	lch(42.75, 53.13, 11.45°)
OKLab	oklab(52.7% 0.1581 0.027)
OKLCH	oklch(52.7% 0.16 9.7)
XYZ	xyz(21.6382, 12.9908, 10.1703)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33756 #37B394

analogous

#B33794 #B33756 #B35637

triadic

#B33756 #56B337 #3756B3

tetradic

#B33756 #94B337 #37B394 #5637B3

square

#B33756 #94B337 #37B394 #5637B3

split-complementary

#B33756 #37B356 #3794B3

monochromatic

#551A29 #842940 #B33756 #CD5B77 #DB8A9E

Accessibility & contrast

On white

5.84

#B33756 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33756 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33756

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33756	#FFFFFF	#000000	##FFFFFF
##B33756	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555557

Deuteranopia (green-blind)

#756E53

Tritanopia (blue-blind)

#C31F43

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33756;
/* rgb */ color: rgb(179, 55, 86);
/* oklch */ color: oklch(52.7% 0.160 9.7);

Tailwind

colors: {
  custom: {
    50: '#cf7685',
    500: '#b33756',
    950: '#000000',
  },
}

SCSS

$custom: #b33756;
$custom-light: #cf7685;
$custom-dark: #000000;

JSON

{
  "hex": "#b33756",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 86
  },
  "hsl": {
    "h": 345,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52696,
    "c": 0.16036,
    "h": 9.7
  },
  "luminance": 0.12988
}

Semantic roles & 50–950 ramp

primary

#B33756

secondary

#81C5B4

accent

#DCB84B

background

#FDF7F8

surface

#FAEDEF

border

#D3C8CA

text

#15090B

muted

#837B7C

Preview Lab

Preview with #B33756

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

Preview Lab → · Contrast checker → · Palette generator →