#B33749#B33749

#B33749 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.159 H 16.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B33749
RGB	rgb(179, 55, 73)
HSL	hsl(351, 53%, 46%)
HSV	hsv(351, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 59.2%, 29.8%)
CIE-LAB	lab(42.46, 51.06, 18.24)
CIE-LCH	lch(42.46, 54.22, 19.66°)
OKLab	oklab(52.39% 0.1529 0.0448)
OKLCH	oklch(52.39% 0.159 16.3)
XYZ	xyz(21.1612, 12.8001, 7.6584)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33749 #37B3A1

analogous

#B33787 #B33749 #B36337

triadic

#B33749 #49B337 #3749B3

tetradic

#B33749 #87B337 #37B3A1 #6337B3

square

#B33749 #87B337 #37B3A1 #6337B3

split-complementary

#B33749 #37B363 #3787B3

monochromatic

#551A23 #842936 #B33749 #CD5B6B #DB8A95

Accessibility & contrast

On white

5.90

#B33749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B33749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33749

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33749	#FFFFFF	#000000	##FFFFFF
##B33749	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575449

Deuteranopia (green-blind)

#776E46

Tritanopia (blue-blind)

#C41A3E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33749;
/* rgb */ color: rgb(179, 55, 73);
/* oklch */ color: oklch(52.4% 0.159 16.3);

Tailwind

colors: {
  custom: {
    50: '#d0767b',
    500: '#b33749',
    950: '#000000',
  },
}

SCSS

$custom: #b33749;
$custom-light: #d0767b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33749",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 351.29,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52387,
    "c": 0.15936,
    "h": 16.3
  },
  "luminance": 0.12797
}

Semantic roles & 50–950 ramp

primary

#B33749

secondary

#81C5BB

accent

#DCC74B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33749

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

Preview Lab → · Contrast checker → · Palette generator →