#B13748#B13748

#B13748 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.157 H 16.6°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B13748
RGB	rgb(177, 55, 72)
HSL	hsl(352, 53%, 45%)
HSV	hsv(352, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 59.3%, 30.6%)
CIE-LAB	lab(42.08, 50.34, 18.28)
CIE-LCH	lch(42.08, 53.56, 19.96°)
OKLab	oklab(52.03% 0.1507 0.0449)
OKLCH	oklch(52.03% 0.157 16.6)
XYZ	xyz(20.6693, 12.5502, 7.4637)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13748 #37B1A0

analogous

#B13785 #B13748 #B16337

triadic

#B13748 #48B137 #3748B1

tetradic

#B13748 #85B137 #37B1A0 #6337B1

square

#B13748 #85B137 #37B1A0 #6337B1

split-complementary

#B13748 #37B163 #3785B1

monochromatic

#541A22 #822835 #B13748 #CC5A69 #DA8894

Accessibility & contrast

On white

5.98

#B13748 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B13748 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13748

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13748	#FFFFFF	#000000	##FFFFFF
##B13748	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)

#565348

Deuteranopia (green-blind)

#766D45

Tritanopia (blue-blind)

#C21B3E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13748;
/* rgb */ color: rgb(177, 55, 72);
/* oklch */ color: oklch(52.0% 0.157 16.6);

Tailwind

colors: {
  custom: {
    50: '#cf767a',
    500: '#b13748',
    950: '#000000',
  },
}

SCSS

$custom: #b13748;
$custom-light: #cf767a;
$custom-dark: #000000;

JSON

{
  "hex": "#b13748",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 351.639,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52028,
    "c": 0.15725,
    "h": 16.6
  },
  "luminance": 0.12547
}

Semantic roles & 50–950 ramp

primary

#B13748

secondary

#80C4BB

accent

#DCC84C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B13748

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

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