#B13F43#B13F43

#B13F43 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.149 H 21.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B13F43
RGB	rgb(177, 63, 67)
HSL	hsl(358, 48%, 47%)
HSV	hsv(358, 64%, 69%)
CMYK	cmyk(0%, 64.4%, 62.1%, 30.6%)
CIE-LAB	lab(43.23, 46.62, 22.86)
CIE-LCH	lch(43.23, 51.92, 26.12°)
OKLab	oklab(52.86% 0.138 0.0551)
OKLCH	oklch(52.86% 0.149 21.8)
XYZ	xyz(20.9241, 13.3102, 6.7764)
Luminance	0.1331 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13F43 #3FB1AD

analogous

#B13F7C #B13F43 #B1743F

triadic

#B13F43 #43B13F #3F43B1

tetradic

#B13F43 #7CB13F #3FB1AD #743FB1

square

#B13F43 #7CB13F #3FB1AD #743FB1

split-complementary

#B13F43 #3FB174 #3F7CB1

monochromatic

#571F21 #842F32 #B13F43 #C86568 #D89295

Accessibility & contrast

On white

5.74

#B13F43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B13F43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13F43

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13F43	#FFFFFF	#000000	##FFFFFF
##B13F43	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5742

Deuteranopia (green-blind)

#796F40

Tritanopia (blue-blind)

#C22741

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b13f43;
/* rgb */ color: rgb(177, 63, 67);
/* oklch */ color: oklch(52.9% 0.149 21.8);

Tailwind

colors: {
  custom: {
    50: '#cf7a77',
    500: '#b13f43',
    950: '#000000',
  },
}

SCSS

$custom: #b13f43;
$custom-light: #cf7a77;
$custom-dark: #000000;

JSON

{
  "hex": "#b13f43",
  "rgb": {
    "r": 177,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 357.895,
    "s": 47.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52856,
    "c": 0.14855,
    "h": 21.8
  },
  "luminance": 0.13307
}

Semantic roles & 50–950 ramp

primary

#B13F43

secondary

#88C4C1

accent

#D7D251

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B13F43

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

Preview Lab → · Contrast checker → · Palette generator →