#B8313E#B8313E

#B8313E is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.171 H 20.3°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B8313E
RGB	rgb(184, 49, 62)
HSL	hsl(354, 58%, 46%)
HSV	hsv(354, 73%, 72%)
CMYK	cmyk(0%, 73.4%, 66.3%, 27.8%)
CIE-LAB	lab(42.37, 54.19, 25.07)
CIE-LCH	lch(42.37, 59.71, 24.83°)
OKLab	oklab(52.42% 0.1602 0.0593)
OKLCH	oklch(52.42% 0.171 20.3)
XYZ	xyz(21.7373, 12.7380, 5.8706)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8313E #31B8AB

analogous

#B83181 #B8313E #B86731

triadic

#B8313E #3EB831 #313EB8

tetradic

#B8313E #81B831 #31B8AB #6731B8

square

#B8313E #81B831 #31B8AB #6731B8

split-complementary

#B8313E #31B867 #3181B8

monochromatic

#57171D #88242E #B8313E #D25561 #DE858E

Accessibility & contrast

On white

5.92

#B8313E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B8313E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8313E

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8313E	#FFFFFF	#000000	##FFFFFF
##B8313E	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523D

Deuteranopia (green-blind)

#796E3A

Tritanopia (blue-blind)

#CA0037

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b8313e;
/* rgb */ color: rgb(184, 49, 62);
/* oklch */ color: oklch(52.4% 0.171 20.3);

Tailwind

colors: {
  custom: {
    50: '#d57473',
    500: '#b8313e',
    950: '#000000',
  },
}

SCSS

$custom: #b8313e;
$custom-light: #d57473;
$custom-dark: #000000;

JSON

{
  "hex": "#b8313e",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 354.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52421,
    "c": 0.17082,
    "h": 20.3
  },
  "luminance": 0.12735
}

Semantic roles & 50–950 ramp

primary

#B8313E

secondary

#7DC8C1

accent

#E1D247

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #B8313E

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

Preview Lab → · Contrast checker → · Palette generator →