#B6313D#B6313D

#B6313D is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.169 H 20.6°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B6313D
RGB	rgb(182, 49, 61)
HSL	hsl(355, 58%, 45%)
HSV	hsv(355, 73%, 71%)
CMYK	cmyk(0%, 73.1%, 66.5%, 28.6%)
CIE-LAB	lab(41.97, 53.51, 25.11)
CIE-LCH	lch(41.97, 59.11, 25.14°)
OKLab	oklab(52.05% 0.1581 0.0594)
OKLCH	oklch(52.05% 0.169 20.6)
XYZ	xyz(21.2343, 12.4818, 5.7051)
Luminance	0.1248 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6313D #31B6AA

analogous

#B63180 #B6313D #B66731

triadic

#B6313D #3DB631 #313DB6

tetradic

#B6313D #80B631 #31B6AA #6731B6

square

#B6313D #80B631 #31B6AA #6731B6

split-complementary

#B6313D #31B667 #3180B6

monochromatic

#56171D #86242D #B6313D #D1535F #DE848C

Accessibility & contrast

On white

6.01

#B6313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B6313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6313D

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6313D	#FFFFFF	#000000	##FFFFFF
##B6313D	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513C

Deuteranopia (green-blind)

#786D39

Tritanopia (blue-blind)

#C80037

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b6313d;
/* rgb */ color: rgb(182, 49, 61);
/* oklch */ color: oklch(52.1% 0.169 20.6);

Tailwind

colors: {
  custom: {
    50: '#d37372',
    500: '#b6313d',
    950: '#000000',
  },
}

SCSS

$custom: #b6313d;
$custom-light: #d37372;
$custom-dark: #000000;

JSON

{
  "hex": "#b6313d",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 354.586,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52053,
    "c": 0.16886,
    "h": 20.6
  },
  "luminance": 0.12479
}

Semantic roles & 50–950 ramp

primary

#B6313D

secondary

#7CC7C0

accent

#E1D347

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #B6313D

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

Preview Lab → · Contrast checker → · Palette generator →