#B13A3D#B13A3D

#B13A3D is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.155 H 22.9°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B13A3D
RGB	rgb(177, 58, 61)
HSL	hsl(358, 51%, 46%)
HSV	hsv(358, 67%, 69%)
CMYK	cmyk(0%, 67.2%, 65.5%, 30.6%)
CIE-LAB	lab(42.33, 48.39, 25.36)
CIE-LCH	lch(42.33, 54.63, 27.66°)
OKLab	oklab(52.15% 0.1424 0.0601)
OKLCH	oklch(52.15% 0.155 22.9)
XYZ	xyz(20.4889, 12.7130, 5.7889)
Luminance	0.1271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13A3D #3AB1AE

analogous

#B13A78 #B13A3D #B1723A

triadic

#B13A3D #3DB13A #3A3DB1

tetradic

#B13A3D #78B13A #3AB1AE #723AB1

square

#B13A3D #78B13A #3AB1AE #723AB1

split-complementary

#B13A3D #3AB172 #3A78B1

monochromatic

#551C1D #832B2D #B13A3D #CA5E61 #D98C8E

Accessibility & contrast

On white

5.93

#B13A3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B13A3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13A3D

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13A3D	#FFFFFF	#000000	##FFFFFF
##B13A3D	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543C

Deuteranopia (green-blind)

#786D3A

Tritanopia (blue-blind)

#C21C3C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b13a3d;
/* rgb */ color: rgb(177, 58, 61);
/* oklch */ color: oklch(52.1% 0.155 22.9);

Tailwind

colors: {
  custom: {
    50: '#cf7772',
    500: '#b13a3d',
    950: '#000000',
  },
}

SCSS

$custom: #b13a3d;
$custom-light: #cf7772;
$custom-dark: #000000;

JSON

{
  "hex": "#b13a3d",
  "rgb": {
    "r": 177,
    "g": 58,
    "b": 61
  },
  "hsl": {
    "h": 358.487,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52149,
    "c": 0.15458,
    "h": 22.9
  },
  "luminance": 0.1271
}

Semantic roles & 50–950 ramp

primary

#B13A3D

secondary

#83C4C2

accent

#DAD74E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13A3D

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

Preview Lab → · Contrast checker → · Palette generator →