#B9312F#B9312F

#B9312F is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.173 H 26.2°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B9312F
RGB	rgb(185, 49, 47)
HSL	hsl(1, 59%, 45%)
HSV	hsv(1, 75%, 73%)
CMYK	cmyk(0%, 73.5%, 74.6%, 27.5%)
CIE-LAB	lab(42.34, 53.77, 34.07)
CIE-LCH	lch(42.34, 63.65, 32.36°)
OKLab	oklab(52.36% 0.1555 0.0765)
OKLCH	oklch(52.36% 0.173 26.2)
XYZ	xyz(21.6215, 12.7195, 4.0054)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9312F #2FB7B9

analogous

#B92F72 #B9312F #B9762F

triadic

#B9312F #2FB931 #312FB9

tetradic

#B9312F #72B92F #2FB7B9 #762FB9

square

#B9312F #72B92F #2FB7B9 #762FB9

split-complementary

#B9312F #2FB976 #2F72B9

monochromatic

#571716 #882423 #B9312F #D35452 #DF8483

Accessibility & contrast

On white

5.93

#B9312F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B9312F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9312F

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9312F	#FFFFFF	#000000	##FFFFFF
##B9312F	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512D

Deuteranopia (green-blind)

#7B6F2A

Tritanopia (blue-blind)

#CC0032

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9312f;
/* rgb */ color: rgb(185, 49, 47);
/* oklch */ color: oklch(52.4% 0.173 26.2);

Tailwind

colors: {
  custom: {
    50: '#d77368',
    500: '#b9312f',
    950: '#000000',
  },
}

SCSS

$custom: #b9312f;
$custom-light: #d77368;
$custom-dark: #000000;

JSON

{
  "hex": "#b9312f",
  "rgb": {
    "r": 185,
    "g": 49,
    "b": 47
  },
  "hsl": {
    "h": 0.87,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52364,
    "c": 0.17329,
    "h": 26.2
  },
  "luminance": 0.12716
}

Semantic roles & 50–950 ramp

primary

#B9312F

secondary

#7BC8C9

accent

#E0E345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B9312F

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

Preview Lab → · Contrast checker → · Palette generator →