#B6313B#B6313B

#B6313B is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.169 H 21.4°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B6313B
RGB	rgb(182, 49, 59)
HSL	hsl(355, 58%, 45%)
HSV	hsv(355, 73%, 71%)
CMYK	cmyk(0%, 73.1%, 67.6%, 28.6%)
CIE-LAB	lab(41.94, 53.40, 26.29)
CIE-LCH	lch(41.94, 59.52, 26.21°)
OKLab	oklab(52.02% 0.1573 0.0617)
OKLCH	oklch(52.02% 0.169 21.4)
XYZ	xyz(21.1814, 12.4606, 5.4266)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6313B #31B6AC

analogous

#B6317D #B6313B #B66A31

triadic

#B6313B #3BB631 #313BB6

tetradic

#B6313B #7DB631 #31B6AC #6A31B6

square

#B6313B #7DB631 #31B6AC #6A31B6

split-complementary

#B6313B #31B66A #317DB6

monochromatic

#56171C #86242B #B6313B #D1535D #DE848A

Accessibility & contrast

On white

6.01

#B6313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B6313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6313B

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6313B	#FFFFFF	#000000	##FFFFFF
##B6313B	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)

#57513A

Deuteranopia (green-blind)

#786D37

Tritanopia (blue-blind)

#C80036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b6313b;
/* rgb */ color: rgb(182, 49, 59);
/* oklch */ color: oklch(52.0% 0.169 21.4);

Tailwind

colors: {
  custom: {
    50: '#d47371',
    500: '#b6313b',
    950: '#000000',
  },
}

SCSS

$custom: #b6313b;
$custom-light: #d47371;
$custom-dark: #000000;

JSON

{
  "hex": "#b6313b",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 355.489,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52019,
    "c": 0.16898,
    "h": 21.4
  },
  "luminance": 0.12457
}

Semantic roles & 50–950 ramp

primary

#B6313B

secondary

#7CC7C1

accent

#E1D547

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6313B

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

Preview Lab → · Contrast checker → · Palette generator →