#B9312B#B9312B

#B9312B is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.174 H 27.5°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B9312B
RGB	rgb(185, 49, 43)
HSL	hsl(3, 62%, 45%)
HSV	hsv(3, 77%, 73%)
CMYK	cmyk(0%, 73.5%, 76.8%, 27.5%)
CIE-LAB	lab(42.29, 53.61, 36.31)
CIE-LCH	lch(42.29, 64.75, 34.11°)
OKLab	oklab(52.31% 0.1542 0.0804)
OKLCH	oklch(52.31% 0.174 27.5)
XYZ	xyz(21.5445, 12.6887, 3.5998)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9312B #2BB3B9

analogous

#B92B6C #B9312B #B9782B

triadic

#B9312B #2BB931 #312BB9

tetradic

#B9312B #6CB92B #2BB3B9 #782BB9

square

#B9312B #6CB92B #2BB3B9 #782BB9

split-complementary

#B9312B #2BB978 #2B6CB9

monochromatic

#561714 #87241F #B9312B #D5524C #E1827E

Accessibility & contrast

On white

5.94

#B9312B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B9312B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9312B

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9312B	#FFFFFF	#000000	##FFFFFF
##B9312B	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5129

Deuteranopia (green-blind)

#7B6F26

Tritanopia (blue-blind)

#CC0031

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9312b;
/* rgb */ color: rgb(185, 49, 43);
/* oklch */ color: oklch(52.3% 0.174 27.5);

Tailwind

colors: {
  custom: {
    50: '#d77365',
    500: '#b9312b',
    950: '#000000',
  },
}

SCSS

$custom: #b9312b;
$custom-light: #d77365;
$custom-dark: #000000;

JSON

{
  "hex": "#b9312b",
  "rgb": {
    "r": 185,
    "g": 49,
    "b": 43
  },
  "hsl": {
    "h": 2.535,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52314,
    "c": 0.17383,
    "h": 27.5
  },
  "luminance": 0.12685
}

Semantic roles & 50–950 ramp

primary

#B9312B

secondary

#76C6C9

accent

#DEE542

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B9312B

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

Preview Lab → · Contrast checker → · Palette generator →