#B03E42#B03E42

#B03E42 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.149 H 21.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B03E42
RGB	rgb(176, 62, 66)
HSL	hsl(358, 48%, 47%)
HSV	hsv(358, 65%, 69%)
CMYK	cmyk(0%, 64.8%, 62.5%, 31%)
CIE-LAB	lab(42.87, 46.65, 22.97)
CIE-LCH	lch(42.87, 52.00, 26.22°)
OKLab	oklab(52.55% 0.138 0.0553)
OKLCH	oklch(52.55% 0.149 21.8)
XYZ	xyz(20.6125, 13.0715, 6.5908)
Luminance	0.1307 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E42 #3EB0AC

analogous

#B03E7B #B03E42 #B0733E

triadic

#B03E42 #42B03E #3E42B0

tetradic

#B03E42 #7BB03E #3EB0AC #733EB0

square

#B03E42 #7BB03E #3EB0AC #733EB0

split-complementary

#B03E42 #3EB073 #3E7BB0

monochromatic

#551E20 #832E31 #B03E42 #C86367 #D89093

Accessibility & contrast

On white

5.81

#B03E42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B03E42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E42

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E42	#FFFFFF	#000000	##FFFFFF
##B03E42	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5641

Deuteranopia (green-blind)

#786E3F

Tritanopia (blue-blind)

#C12540

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e42;
/* rgb */ color: rgb(176, 62, 66);
/* oklch */ color: oklch(52.6% 0.149 21.8);

Tailwind

colors: {
  custom: {
    50: '#ce7976',
    500: '#b03e42',
    950: '#000000',
  },
}

SCSS

$custom: #b03e42;
$custom-light: #ce7976;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e42",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 66
  },
  "hsl": {
    "h": 357.895,
    "s": 47.899,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52551,
    "c": 0.14865,
    "h": 21.8
  },
  "luminance": 0.13069
}

Semantic roles & 50–950 ramp

primary

#B03E42

secondary

#87C3C1

accent

#D7D350

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03E42

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

Preview Lab → · Contrast checker → · Palette generator →