#B6313F#B6313F

#B6313F is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.169 H 19.7°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B6313F
RGB	rgb(182, 49, 63)
HSL	hsl(354, 58%, 45%)
HSV	hsv(354, 73%, 71%)
CMYK	cmyk(0%, 73.1%, 65.4%, 28.6%)
CIE-LAB	lab(42.01, 53.63, 23.93)
CIE-LCH	lch(42.01, 58.72, 24.05°)
OKLab	oklab(52.09% 0.1589 0.0569)
OKLCH	oklch(52.09% 0.169 19.7)
XYZ	xyz(21.2892, 12.5037, 5.9941)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6313F #31B6A8

analogous

#B63182 #B6313F #B66531

triadic

#B6313F #3FB631 #313FB6

tetradic

#B6313F #82B631 #31B6A8 #6531B6

square

#B6313F #82B631 #31B6A8 #6531B6

split-complementary

#B6313F #31B665 #3182B6

monochromatic

#56171E #86242E #B6313F #D15361 #DE848D

Accessibility & contrast

On white

6.00

#B6313F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B6313F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6313F

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6313F	#FFFFFF	#000000	##FFFFFF
##B6313F	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513F

Deuteranopia (green-blind)

#786D3B

Tritanopia (blue-blind)

#C80037

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b6313f;
/* rgb */ color: rgb(182, 49, 63);
/* oklch */ color: oklch(52.1% 0.169 19.7);

Tailwind

colors: {
  custom: {
    50: '#d37374',
    500: '#b6313f',
    950: '#000000',
  },
}

SCSS

$custom: #b6313f;
$custom-light: #d37374;
$custom-dark: #000000;

JSON

{
  "hex": "#b6313f",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 353.684,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5209,
    "c": 0.16874,
    "h": 19.7
  },
  "luminance": 0.12501
}

Semantic roles & 50–950 ramp

primary

#B6313F

secondary

#7CC7BF

accent

#E1D147

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B6313F

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

Preview Lab → · Contrast checker → · Palette generator →