#B8312D#B8312D

#B8312D is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.173 H 26.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B8312D
RGB	rgb(184, 49, 45)
HSL	hsl(2, 61%, 45%)
HSV	hsv(2, 76%, 72%)
CMYK	cmyk(0%, 73.4%, 75.5%, 27.8%)
CIE-LAB	lab(42.12, 53.37, 34.93)
CIE-LCH	lch(42.12, 63.79, 33.20°)
OKLab	oklab(52.16% 0.1539 0.0779)
OKLCH	oklch(52.16% 0.173 26.9)
XYZ	xyz(21.3416, 12.5797, 3.7865)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8312D #2DB4B8

analogous

#B82D6E #B8312D #B8772D

triadic

#B8312D #2DB831 #312DB8

tetradic

#B8312D #6EB82D #2DB4B8 #772DB8

square

#B8312D #6EB82D #2DB4B8 #772DB8

split-complementary

#B8312D #2DB877 #2D6EB8

monochromatic

#561715 #872421 #B8312D #D4524E #E08280

Accessibility & contrast

On white

5.97

#B8312D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B8312D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8312D

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8312D	#FFFFFF	#000000	##FFFFFF
##B8312D	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512B

Deuteranopia (green-blind)

#7B6E28

Tritanopia (blue-blind)

#CB0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b8312d;
/* rgb */ color: rgb(184, 49, 45);
/* oklch */ color: oklch(52.2% 0.173 26.9);

Tailwind

colors: {
  custom: {
    50: '#d67366',
    500: '#b8312d',
    950: '#000000',
  },
}

SCSS

$custom: #b8312d;
$custom-light: #d67366;
$custom-dark: #000000;

JSON

{
  "hex": "#b8312d",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 45
  },
  "hsl": {
    "h": 1.727,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52162,
    "c": 0.17255,
    "h": 26.9
  },
  "luminance": 0.12576
}

Semantic roles & 50–950 ramp

primary

#B8312D

secondary

#78C6C9

accent

#DFE444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B8312D

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

Preview Lab → · Contrast checker → · Palette generator →