#B13543#B13543

#B13543 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.159 H 18.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B13543
RGB	rgb(177, 53, 67)
HSL	hsl(353, 54%, 45%)
HSV	hsv(353, 70%, 69%)
CMYK	cmyk(0%, 70.1%, 62.1%, 30.6%)
CIE-LAB	lab(41.69, 50.79, 20.87)
CIE-LCH	lch(41.69, 54.91, 22.34°)
OKLab	oklab(51.71% 0.1512 0.0505)
OKLCH	oklch(51.71% 0.159 18.5)
XYZ	xyz(20.4197, 12.3015, 6.6083)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13543 #35B1A3

analogous

#B13581 #B13543 #B16535

triadic

#B13543 #43B135 #3543B1

tetradic

#B13543 #81B135 #35B1A3 #6535B1

square

#B13543 #81B135 #35B1A3 #6535B1

split-complementary

#B13543 #35B165 #3581B1

monochromatic

#53191F #822731 #B13543 #CD5764 #DB868F

Accessibility & contrast

On white

6.07

#B13543 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B13543 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13543

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13543	#FFFFFF	#000000	##FFFFFF
##B13543	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565243

Deuteranopia (green-blind)

#756C40

Tritanopia (blue-blind)

#C2143B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13543;
/* rgb */ color: rgb(177, 53, 67);
/* oklch */ color: oklch(51.7% 0.159 18.5);

Tailwind

colors: {
  custom: {
    50: '#cf7577',
    500: '#b13543',
    950: '#000000',
  },
}

SCSS

$custom: #b13543;
$custom-light: #cf7577;
$custom-dark: #000000;

JSON

{
  "hex": "#b13543",
  "rgb": {
    "r": 177,
    "g": 53,
    "b": 67
  },
  "hsl": {
    "h": 353.226,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51708,
    "c": 0.15945,
    "h": 18.5
  },
  "luminance": 0.12299
}

Semantic roles & 50–950 ramp

primary

#B13543

secondary

#7DC4BC

accent

#DDCD4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13543

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

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