#B03543#B03543

#B03543 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.158 H 18.4°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B03543
RGB	rgb(176, 53, 67)
HSL	hsl(353, 54%, 45%)
HSV	hsv(353, 70%, 69%)
CMYK	cmyk(0%, 69.9%, 61.9%, 31%)
CIE-LAB	lab(41.51, 50.47, 20.60)
CIE-LCH	lch(41.51, 54.51, 22.20°)
OKLab	oklab(51.54% 0.1503 0.0499)
OKLCH	oklch(51.54% 0.158 18.4)
XYZ	xyz(20.1927, 12.1844, 6.5976)
Luminance	0.1218 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03543 #35B0A2

analogous

#B03580 #B03543 #B06535

triadic

#B03543 #43B035 #3543B0

tetradic

#B03543 #80B035 #35B0A2 #6535B0

square

#B03543 #80B035 #35B0A2 #6535B0

split-complementary

#B03543 #35B065 #3580B0

monochromatic

#52191F #812731 #B03543 #CC5664 #DA858F

Accessibility & contrast

On white

6.11

#B03543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B03543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03543

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03543	#FFFFFF	#000000	##FFFFFF
##B03543	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565143

Deuteranopia (green-blind)

#756B40

Tritanopia (blue-blind)

#C1153B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b03543;
/* rgb */ color: rgb(176, 53, 67);
/* oklch */ color: oklch(51.5% 0.158 18.4);

Tailwind

colors: {
  custom: {
    50: '#ce7477',
    500: '#b03543',
    950: '#000000',
  },
}

SCSS

$custom: #b03543;
$custom-light: #ce7477;
$custom-dark: #000000;

JSON

{
  "hex": "#b03543",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 353.171,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51538,
    "c": 0.1584,
    "h": 18.4
  },
  "luminance": 0.12182
}

Semantic roles & 50–950 ramp

primary

#B03543

secondary

#7DC4BC

accent

#DDCC4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03543

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

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