#B9312A#B9312A

#B9312A is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.174 H 27.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B9312A
RGB	rgb(185, 49, 42)
HSL	hsl(3, 63%, 45%)
HSV	hsv(3, 77%, 73%)
CMYK	cmyk(0%, 73.5%, 77.3%, 27.5%)
CIE-LAB	lab(42.28, 53.57, 36.86)
CIE-LCH	lch(42.28, 65.03, 34.53°)
OKLab	oklab(52.3% 0.1538 0.0813)
OKLCH	oklch(52.3% 0.174 27.9)
XYZ	xyz(21.5263, 12.6814, 3.5043)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9312A #2AB2B9

analogous

#B92A6B #B9312A #B9792A

triadic

#B9312A #2AB931 #312AB9

tetradic

#B9312A #6BB92A #2AB2B9 #792AB9

square

#B9312A #6BB92A #2AB2B9 #792AB9

split-complementary

#B9312A #2AB979 #2A6BB9

monochromatic

#551713 #87241F #B9312A #D6514A #E1817C

Accessibility & contrast

On white

5.94

#B9312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B9312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9312A

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9312A	#FFFFFF	#000000	##FFFFFF
##B9312A	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)

#5A5128

Deuteranopia (green-blind)

#7B6F24

Tritanopia (blue-blind)

#CC0031

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9312a;
/* rgb */ color: rgb(185, 49, 42);
/* oklch */ color: oklch(52.3% 0.174 27.9);

Tailwind

colors: {
  custom: {
    50: '#d77364',
    500: '#b9312a',
    950: '#000000',
  },
}

SCSS

$custom: #b9312a;
$custom-light: #d77364;
$custom-dark: #000000;

JSON

{
  "hex": "#b9312a",
  "rgb": {
    "r": 185,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 2.937,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52302,
    "c": 0.17397,
    "h": 27.9
  },
  "luminance": 0.12678
}

Semantic roles & 50–950 ramp

primary

#B9312A

secondary

#75C5CA

accent

#DEE642

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B9312A

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

Preview Lab → · Contrast checker → · Palette generator →