#B13D3E#B13D3E

#B13D3E is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.151 H 23.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B13D3E
RGB	rgb(177, 61, 62)
HSL	hsl(359, 49%, 47%)
HSV	hsv(359, 66%, 69%)
CMYK	cmyk(0%, 65.5%, 65%, 30.6%)
CIE-LAB	lab(42.82, 47.17, 25.37)
CIE-LCH	lch(42.82, 53.56, 28.27°)
OKLab	oklab(52.52% 0.1388 0.0602)
OKLCH	oklch(52.52% 0.151 23.5)
XYZ	xyz(20.6718, 13.0353, 5.9840)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13D3E #3DB1B0

analogous

#B13D78 #B13D3E #B1763D

triadic

#B13D3E #3EB13D #3D3EB1

tetradic

#B13D3E #78B13D #3DB1B0 #763DB1

square

#B13D3E #78B13D #3DB1B0 #763DB1

split-complementary

#B13D3E #3DB176 #3D78B1

monochromatic

#561E1E #832D2E #B13D3E #C96263 #D99090

Accessibility & contrast

On white

5.82

#B13D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B13D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13D3E

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13D3E	#FFFFFF	#000000	##FFFFFF
##B13D3E	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C553D

Deuteranopia (green-blind)

#796E3B

Tritanopia (blue-blind)

#C2223F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13d3e;
/* rgb */ color: rgb(177, 61, 62);
/* oklch */ color: oklch(52.5% 0.151 23.5);

Tailwind

colors: {
  custom: {
    50: '#cf7973',
    500: '#b13d3e',
    950: '#000000',
  },
}

SCSS

$custom: #b13d3e;
$custom-light: #cf7973;
$custom-dark: #000000;

JSON

{
  "hex": "#b13d3e",
  "rgb": {
    "r": 177,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 359.483,
    "s": 48.739,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52521,
    "c": 0.15128,
    "h": 23.5
  },
  "luminance": 0.13032
}

Semantic roles & 50–950 ramp

primary

#B13D3E

secondary

#86C4C3

accent

#D8D750

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13D3E

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

Preview Lab → · Contrast checker → · Palette generator →