#B8312E#B8312E

#B8312E is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.172 H 26.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B8312E
RGB	rgb(184, 49, 46)
HSL	hsl(1, 60%, 45%)
HSV	hsv(1, 75%, 72%)
CMYK	cmyk(0%, 73.4%, 75%, 27.8%)
CIE-LAB	lab(42.13, 53.41, 34.37)
CIE-LCH	lch(42.13, 63.51, 32.76°)
OKLab	oklab(52.18% 0.1543 0.077)
OKLCH	oklch(52.18% 0.172 26.5)
XYZ	xyz(21.3611, 12.5875, 3.8891)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8312E #2EB5B8

analogous

#B82E70 #B8312E #B8762E

triadic

#B8312E #2EB831 #312EB8

tetradic

#B8312E #70B82E #2EB5B8 #762EB8

square

#B8312E #70B82E #2EB5B8 #762EB8

split-complementary

#B8312E #2EB876 #2E70B8

monochromatic

#561716 #872422 #B8312E #D35350 #DF8381

Accessibility & contrast

On white

5.97

#B8312E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B8312E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8312E

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8312E	#FFFFFF	#000000	##FFFFFF
##B8312E	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)

#59512C

Deuteranopia (green-blind)

#7A6E29

Tritanopia (blue-blind)

#CB0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b8312e;
/* rgb */ color: rgb(184, 49, 46);
/* oklch */ color: oklch(52.2% 0.172 26.5);

Tailwind

colors: {
  custom: {
    50: '#d67367',
    500: '#b8312e',
    950: '#000000',
  },
}

SCSS

$custom: #b8312e;
$custom-light: #d67367;
$custom-dark: #000000;

JSON

{
  "hex": "#b8312e",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 46
  },
  "hsl": {
    "h": 1.304,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52175,
    "c": 0.17241,
    "h": 26.5
  },
  "luminance": 0.12584
}

Semantic roles & 50–950 ramp

primary

#B8312E

secondary

#79C7C8

accent

#E0E345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B8312E

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

Preview Lab → · Contrast checker → · Palette generator →