#B13744#B13744

#B13744 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.157 H 18.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B13744
RGB	rgb(177, 55, 68)
HSL	hsl(354, 53%, 45%)
HSV	hsv(354, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 61.6%, 30.6%)
CIE-LAB	lab(42.00, 50.07, 20.65)
CIE-LCH	lch(42.00, 54.16, 22.42°)
OKLab	oklab(51.94% 0.1491 0.0501)
OKLCH	oklch(51.94% 0.157 18.6)
XYZ	xyz(20.5431, 12.4997, 6.7987)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13744 #37B1A4

analogous

#B13781 #B13744 #B16737

triadic

#B13744 #44B137 #3744B1

tetradic

#B13744 #81B137 #37B1A4 #6737B1

square

#B13744 #81B137 #37B1A4 #6737B1

split-complementary

#B13744 #37B167 #3781B1

monochromatic

#541A20 #822832 #B13744 #CC5A66 #DA8891

Accessibility & contrast

On white

6.00

#B13744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B13744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13744

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13744	#FFFFFF	#000000	##FFFFFF
##B13744	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575344

Deuteranopia (green-blind)

#766D41

Tritanopia (blue-blind)

#C2193D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13744;
/* rgb */ color: rgb(177, 55, 68);
/* oklch */ color: oklch(51.9% 0.157 18.6);

Tailwind

colors: {
  custom: {
    50: '#cf7677',
    500: '#b13744',
    950: '#000000',
  },
}

SCSS

$custom: #b13744;
$custom-light: #cf7677;
$custom-dark: #000000;

JSON

{
  "hex": "#b13744",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.607,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51944,
    "c": 0.15729,
    "h": 18.6
  },
  "luminance": 0.12497
}

Semantic roles & 50–950 ramp

primary

#B13744

secondary

#80C4BD

accent

#DCCD4C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13744

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

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