#B6313C#B6313C

#B6313C is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.169 H 21.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B6313C
RGB	rgb(182, 49, 60)
HSL	hsl(355, 58%, 45%)
HSV	hsv(355, 73%, 71%)
CMYK	cmyk(0%, 73.1%, 67%, 28.6%)
CIE-LAB	lab(41.96, 53.46, 25.70)
CIE-LCH	lch(41.96, 59.31, 25.68°)
OKLab	oklab(52.04% 0.1577 0.0606)
OKLCH	oklch(52.04% 0.169 21)
XYZ	xyz(21.2076, 12.4711, 5.5646)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6313C #31B6AB

analogous

#B6317E #B6313C #B66931

triadic

#B6313C #3CB631 #313CB6

tetradic

#B6313C #7EB631 #31B6AB #6931B6

square

#B6313C #7EB631 #31B6AB #6931B6

split-complementary

#B6313C #31B669 #317EB6

monochromatic

#56171C #86242C #B6313C #D1535E #DE848B

Accessibility & contrast

On white

6.01

#B6313C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B6313C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6313C

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6313C	#FFFFFF	#000000	##FFFFFF
##B6313C	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57513B

Deuteranopia (green-blind)

#786D38

Tritanopia (blue-blind)

#C80036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b6313c;
/* rgb */ color: rgb(182, 49, 60);
/* oklch */ color: oklch(52.0% 0.169 21.0);

Tailwind

colors: {
  custom: {
    50: '#d37371',
    500: '#b6313c',
    950: '#000000',
  },
}

SCSS

$custom: #b6313c;
$custom-light: #d37371;
$custom-dark: #000000;

JSON

{
  "hex": "#b6313c",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 60
  },
  "hsl": {
    "h": 355.038,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52036,
    "c": 0.16892,
    "h": 21
  },
  "luminance": 0.12468
}

Semantic roles & 50–950 ramp

primary

#B6313C

secondary

#7CC7C1

accent

#E1D447

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6313C

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

Preview Lab → · Contrast checker → · Palette generator →