#B6312A#B6312A

#B6312A is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.171 H 27.8°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B6312A
RGB	rgb(182, 49, 42)
HSL	hsl(3, 63%, 44%)
HSV	hsv(3, 77%, 71%)
CMYK	cmyk(0%, 73.1%, 76.9%, 28.6%)
CIE-LAB	lab(41.71, 52.62, 36.08)
CIE-LCH	lch(41.71, 63.80, 34.44°)
OKLab	oklab(51.77% 0.1512 0.0798)
OKLCH	oklch(51.77% 0.171 27.8)
XYZ	xyz(20.8101, 12.3121, 3.4708)
Luminance	0.1231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6312A #2AAFB6

analogous

#B62A69 #B6312A #B6772A

triadic

#B6312A #2AB631 #312AB6

tetradic

#B6312A #69B62A #2AAFB6 #772AB6

square

#B6312A #69B62A #2AAFB6 #772AB6

split-complementary

#B6312A #2AB677 #2A69B6

monochromatic

#531613 #84241F #B6312A #D54F48 #E07F7A

Accessibility & contrast

On white

6.07

#B6312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B6312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6312A

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6312A	#FFFFFF	#000000	##FFFFFF
##B6312A	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595028

Deuteranopia (green-blind)

#7A6D25

Tritanopia (blue-blind)

#C80031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b6312a;
/* rgb */ color: rgb(182, 49, 42);
/* oklch */ color: oklch(51.8% 0.171 27.8);

Tailwind

colors: {
  custom: {
    50: '#d57364',
    500: '#b6312a',
    950: '#000000',
  },
}

SCSS

$custom: #b6312a;
$custom-light: #d57364;
$custom-dark: #000000;

JSON

{
  "hex": "#b6312a",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 3,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51772,
    "c": 0.17094,
    "h": 27.8
  },
  "luminance": 0.12309
}

Semantic roles & 50–950 ramp

primary

#B6312A

secondary

#73C4C8

accent

#DDE642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B6312A

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

Preview Lab → · Contrast checker → · Palette generator →