#B9313A#B9313A

#B9313A is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.172 H 22.1°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B9313A
RGB	rgb(185, 49, 58)
HSL	hsl(356, 58%, 46%)
HSV	hsv(356, 74%, 73%)
CMYK	cmyk(0%, 73.5%, 68.6%, 27.5%)
CIE-LAB	lab(42.49, 54.29, 27.71)
CIE-LCH	lch(42.49, 60.95, 27.04°)
OKLab	oklab(52.53% 0.1595 0.0646)
OKLCH	oklch(52.53% 0.172 22.1)
XYZ	xyz(21.8720, 12.8197, 5.3249)
Luminance	0.1282 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9313A #31B9B0

analogous

#B9317E #B9313A #B96C31

triadic

#B9313A #3AB931 #313AB9

tetradic

#B9313A #7EB931 #31B9B0 #6C31B9

square

#B9313A #7EB931 #31B9B0 #6C31B9

split-complementary

#B9313A #31B96C #317EB9

monochromatic

#58171C #89242B #B9313A #D2555D #DF868B

Accessibility & contrast

On white

5.89

#B9313A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B9313A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9313A

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9313A	#FFFFFF	#000000	##FFFFFF
##B9313A	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585239

Deuteranopia (green-blind)

#7A6F36

Tritanopia (blue-blind)

#CB0036

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9313a;
/* rgb */ color: rgb(185, 49, 58);
/* oklch */ color: oklch(52.5% 0.172 22.1);

Tailwind

colors: {
  custom: {
    50: '#d67470',
    500: '#b9313a',
    950: '#000000',
  },
}

SCSS

$custom: #b9313a;
$custom-light: #d67470;
$custom-dark: #000000;

JSON

{
  "hex": "#b9313a",
  "rgb": {
    "r": 185,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 356.029,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52527,
    "c": 0.1721,
    "h": 22.1
  },
  "luminance": 0.12816
}

Semantic roles & 50–950 ramp

primary

#B9313A

secondary

#7DC8C3

accent

#E1D746

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B9313A

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

Preview Lab → · Contrast checker → · Palette generator →