#B03F45#B03F45

#B03F45 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.147 H 20.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B03F45
RGB	rgb(176, 63, 69)
HSL	hsl(357, 47%, 47%)
HSV	hsv(357, 64%, 69%)
CMYK	cmyk(0%, 64.2%, 60.8%, 31%)
CIE-LAB	lab(43.09, 46.41, 21.43)
CIE-LCH	lch(43.09, 51.12, 24.78°)
OKLab	oklab(52.73% 0.1378 0.052)
OKLCH	oklch(52.73% 0.147 20.7)
XYZ	xyz(20.7581, 13.2176, 7.0872)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F45 #3FB0AA

analogous

#B03F7E #B03F45 #B0723F

triadic

#B03F45 #45B03F #3F45B0

tetradic

#B03F45 #7EB03F #3FB0AA #723FB0

square

#B03F45 #7EB03F #3FB0AA #723FB0

split-complementary

#B03F45 #3FB072 #3F7EB0

monochromatic

#561F22 #832F33 #B03F45 #C8656A #D89295

Accessibility & contrast

On white

5.76

#B03F45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B03F45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F45

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F45	#FFFFFF	#000000	##FFFFFF
##B03F45	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5744

Deuteranopia (green-blind)

#786F42

Tritanopia (blue-blind)

#C12842

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b03f45;
/* rgb */ color: rgb(176, 63, 69);
/* oklch */ color: oklch(52.7% 0.147 20.7);

Tailwind

colors: {
  custom: {
    50: '#ce7a78',
    500: '#b03f45',
    950: '#000000',
  },
}

SCSS

$custom: #b03f45;
$custom-light: #ce7a78;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f45",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 356.814,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52732,
    "c": 0.14728,
    "h": 20.7
  },
  "luminance": 0.13215
}

Semantic roles & 50–950 ramp

primary

#B03F45

secondary

#88C3C0

accent

#D7D051

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B03F45

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

Preview Lab → · Contrast checker → · Palette generator →