#B03F57#B03F57

#B03F57 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.148 H 10.8°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B03F57
RGB	rgb(176, 63, 87)
HSL	hsl(347, 47%, 47%)
HSV	hsv(347, 64%, 69%)
CMYK	cmyk(0%, 64.2%, 50.6%, 31%)
CIE-LAB	lab(43.47, 47.85, 10.85)
CIE-LCH	lch(43.47, 49.07, 12.78°)
OKLab	oklab(53.14% 0.145 0.0278)
OKLCH	oklch(53.14% 0.148 10.8)
XYZ	xyz(21.4040, 13.4759, 10.4890)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F57 #3FB098

analogous

#B03F8F #B03F57 #B0603F

triadic

#B03F57 #57B03F #3F57B0

tetradic

#B03F57 #8FB03F #3FB098 #603FB0

square

#B03F57 #8FB03F #3FB098 #603FB0

split-complementary

#B03F57 #3FB060 #3F8FB0

monochromatic

#561F2A #832F41 #B03F57 #C8657A #D892A0

Accessibility & contrast

On white

5.68

#B03F57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B03F57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F57

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F57	#FFFFFF	#000000	##FFFFFF
##B03F57	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595857

Deuteranopia (green-blind)

#766F54

Tritanopia (blue-blind)

#C02D48

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b03f57;
/* rgb */ color: rgb(176, 63, 87);
/* oklch */ color: oklch(53.1% 0.148 10.8);

Tailwind

colors: {
  custom: {
    50: '#cd7a86',
    500: '#b03f57',
    950: '#000000',
  },
}

SCSS

$custom: #b03f57;
$custom-light: #cd7a86;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f57",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 87
  },
  "hsl": {
    "h": 347.257,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53143,
    "c": 0.14765,
    "h": 10.8
  },
  "luminance": 0.13473
}

Semantic roles & 50–950 ramp

primary

#B03F57

secondary

#88C3B6

accent

#D7BA51

background

#FDF7F8

surface

#FAEEEF

border

#D3C9CA

text

#140A0B

muted

#837C7C

Preview Lab

Preview with #B03F57

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

Preview Lab → · Contrast checker → · Palette generator →