#B13749#B13749

#B13749 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.157 H 16.1°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B13749
RGB	rgb(177, 55, 73)
HSL	hsl(351, 53%, 45%)
HSV	hsv(351, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 58.8%, 30.6%)
CIE-LAB	lab(42.10, 50.41, 17.69)
CIE-LCH	lch(42.10, 53.43, 19.33°)
OKLab	oklab(52.05% 0.1511 0.0436)
OKLCH	oklch(52.05% 0.157 16.1)
XYZ	xyz(20.7022, 12.5634, 7.6369)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13749 #37B19F

analogous

#B13786 #B13749 #B16237

triadic

#B13749 #49B137 #3749B1

tetradic

#B13749 #86B137 #37B19F #6237B1

square

#B13749 #86B137 #37B19F #6237B1

split-complementary

#B13749 #37B162 #3786B1

monochromatic

#541A22 #822836 #B13749 #CC5A6A #DA8894

Accessibility & contrast

On white

5.98

#B13749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B13749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13749

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13749	#FFFFFF	#000000	##FFFFFF
##B13749	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565349

Deuteranopia (green-blind)

#756D46

Tritanopia (blue-blind)

#C21B3E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13749;
/* rgb */ color: rgb(177, 55, 73);
/* oklch */ color: oklch(52.0% 0.157 16.1);

Tailwind

colors: {
  custom: {
    50: '#cf767b',
    500: '#b13749',
    950: '#000000',
  },
}

SCSS

$custom: #b13749;
$custom-light: #cf767b;
$custom-dark: #000000;

JSON

{
  "hex": "#b13749",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 351.148,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52049,
    "c": 0.15726,
    "h": 16.1
  },
  "luminance": 0.12561
}

Semantic roles & 50–950 ramp

primary

#B13749

secondary

#80C4BA

accent

#DCC74C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B13749

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

Preview Lab → · Contrast checker → · Palette generator →