#B31416#B31416

#B31416 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.9% C 0.190 H 27.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#B31416
RGB	rgb(179, 20, 22)
HSL	hsl(359, 80%, 39%)
HSV	hsv(359, 89%, 70%)
CMYK	cmyk(0%, 88.8%, 87.7%, 29.8%)
CIE-LAB	lab(38.10, 59.09, 43.12)
CIE-LCH	lch(38.10, 73.15, 36.12°)
OKLab	oklab(48.93% 0.168 0.0881)
OKLCH	oklch(48.93% 0.19 27.7)
XYZ	xyz(18.9879, 10.1452, 1.7174)
Luminance	0.1014 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31416 #14B3B1

analogous

#B31466 #B31416 #B36214

triadic

#B31416 #16B314 #1416B3

tetradic

#B31416 #66B314 #14B3B1 #6214B3

square

#B31416 #66B314 #14B3B1 #6214B3

split-complementary

#B31416 #14B362 #1466B3

monochromatic

#450808 #7C0E0F #B31416 #E61E21 #EC5557

Accessibility & contrast

On white

6.93

#B31416 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#B31416 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31416

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31416	#FFFFFF	#000000	##FFFFFF
##B31416	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4413

Deuteranopia (green-blind)

#726509

Tritanopia (blue-blind)

#C60018

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #b31416;
/* rgb */ color: rgb(179, 20, 22);
/* oklch */ color: oklch(48.9% 0.190 27.7);

Tailwind

colors: {
  custom: {
    50: '#d56856',
    500: '#b31416',
    950: '#000000',
  },
}

SCSS

$custom: #b31416;
$custom-light: #d56856;
$custom-dark: #000000;

JSON

{
  "hex": "#b31416",
  "rgb": {
    "r": 179,
    "g": 20,
    "b": 22
  },
  "hsl": {
    "h": 359.245,
    "s": 79.899,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48928,
    "c": 0.18969,
    "h": 27.7
  },
  "luminance": 0.10142
}

Semantic roles & 50–950 ramp

primary

#B31416

secondary

#54CFCD

accent

#F6F431

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#170703

muted

#857A78

Preview Lab

Preview with #B31416

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

Preview Lab → · Contrast checker → · Palette generator →