#B03E43#B03E43

#B03E43 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.149 H 21.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B03E43
RGB	rgb(176, 62, 67)
HSL	hsl(357, 48%, 47%)
HSV	hsv(357, 65%, 69%)
CMYK	cmyk(0%, 64.8%, 61.9%, 31%)
CIE-LAB	lab(42.89, 46.71, 22.39)
CIE-LCH	lch(42.89, 51.80, 25.61°)
OKLab	oklab(52.57% 0.1384 0.054)
OKLCH	oklch(52.57% 0.149 21.3)
XYZ	xyz(20.6422, 13.0834, 6.7475)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E43 #3EB0AB

analogous

#B03E7C #B03E43 #B0723E

triadic

#B03E43 #43B03E #3E43B0

tetradic

#B03E43 #7CB03E #3EB0AB #723EB0

square

#B03E43 #7CB03E #3EB0AB #723EB0

split-complementary

#B03E43 #3EB072 #3E7CB0

monochromatic

#551E21 #832E32 #B03E43 #C86368 #D89094

Accessibility & contrast

On white

5.81

#B03E43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B03E43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E43

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E43	#FFFFFF	#000000	##FFFFFF
##B03E43	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5642

Deuteranopia (green-blind)

#786E40

Tritanopia (blue-blind)

#C12641

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e43;
/* rgb */ color: rgb(176, 62, 67);
/* oklch */ color: oklch(52.6% 0.149 21.3);

Tailwind

colors: {
  custom: {
    50: '#ce7977',
    500: '#b03e43',
    950: '#000000',
  },
}

SCSS

$custom: #b03e43;
$custom-light: #ce7977;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e43",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 67
  },
  "hsl": {
    "h": 357.368,
    "s": 47.899,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5257,
    "c": 0.14857,
    "h": 21.3
  },
  "luminance": 0.13081
}

Semantic roles & 50–950 ramp

primary

#B03E43

secondary

#87C3C0

accent

#D7D250

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03E43

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

Preview Lab → · Contrast checker → · Palette generator →