#B03F52#B03F52

#B03F52 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.147 H 13.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B03F52
RGB	rgb(176, 63, 82)
HSL	hsl(350, 47%, 47%)
HSV	hsv(350, 64%, 69%)
CMYK	cmyk(0%, 64.2%, 53.4%, 31%)
CIE-LAB	lab(43.36, 47.42, 13.79)
CIE-LCH	lch(43.36, 49.38, 16.21°)
OKLab	oklab(53.02% 0.143 0.0347)
OKLCH	oklch(53.02% 0.147 13.7)
XYZ	xyz(21.2068, 13.3970, 9.4502)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F52 #3FB09D

analogous

#B03F8A #B03F52 #B0653F

triadic

#B03F52 #52B03F #3F52B0

tetradic

#B03F52 #8AB03F #3FB09D #653FB0

square

#B03F52 #8AB03F #3FB09D #653FB0

split-complementary

#B03F52 #3FB065 #3F8AB0

monochromatic

#561F28 #832F3D #B03F52 #C86575 #D8929D

Accessibility & contrast

On white

5.71

#B03F52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B03F52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F52

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F52	#FFFFFF	#000000	##FFFFFF
##B03F52	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5852

Deuteranopia (green-blind)

#776F4F

Tritanopia (blue-blind)

#C02C46

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b03f52;
/* rgb */ color: rgb(176, 63, 82);
/* oklch */ color: oklch(53.0% 0.147 13.7);

Tailwind

colors: {
  custom: {
    50: '#cd7a82',
    500: '#b03f52',
    950: '#000000',
  },
}

SCSS

$custom: #b03f52;
$custom-light: #cd7a82;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f52",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 349.912,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53018,
    "c": 0.14719,
    "h": 13.7
  },
  "luminance": 0.13394
}

Semantic roles & 50–950 ramp

primary

#B03F52

secondary

#88C3B9

accent

#D7C051

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#140A0A

muted

#837C7C

Preview Lab

Preview with #B03F52

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

Preview Lab → · Contrast checker → · Palette generator →