#B03240#B03240

#B03240 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.162 H 18.9°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B03240
RGB	rgb(176, 50, 64)
HSL	hsl(353, 56%, 44%)
HSV	hsv(353, 72%, 69%)
CMYK	cmyk(0%, 71.6%, 63.6%, 31%)
CIE-LAB	lab(41.03, 51.43, 21.84)
CIE-LCH	lch(41.03, 55.88, 23.01°)
OKLab	oklab(51.17% 0.1528 0.0525)
OKLCH	oklch(51.17% 0.162 18.9)
XYZ	xyz(19.9726, 11.8844, 6.0917)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03240 #32B0A2

analogous

#B0327F #B03240 #B06332

triadic

#B03240 #40B032 #3240B0

tetradic

#B03240 #7FB032 #32B0A2 #6332B0

square

#B03240 #7FB032 #32B0A2 #6332B0

split-complementary

#B03240 #32B063 #327FB0

monochromatic

#51171D #80242F #B03240 #CE515F #DB818B

Accessibility & contrast

On white

6.22

#B03240 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B03240 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03240

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03240	#FFFFFF	#000000	##FFFFFF
##B03240	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545040

Deuteranopia (green-blind)

#746A3C

Tritanopia (blue-blind)

#C10B38

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03240;
/* rgb */ color: rgb(176, 50, 64);
/* oklch */ color: oklch(51.2% 0.162 18.9);

Tailwind

colors: {
  custom: {
    50: '#cf7374',
    500: '#b03240',
    950: '#000000',
  },
}

SCSS

$custom: #b03240;
$custom-light: #cf7374;
$custom-dark: #000000;

JSON

{
  "hex": "#b03240",
  "rgb": {
    "r": 176,
    "g": 50,
    "b": 64
  },
  "hsl": {
    "h": 353.333,
    "s": 55.752,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51165,
    "c": 0.16159,
    "h": 18.9
  },
  "luminance": 0.11881
}

Semantic roles & 50–950 ramp

primary

#B03240

secondary

#79C4BC

accent

#DFCE49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03240

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

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