#B9313B#B9313B

#B9313B is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.172 H 21.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B9313B
RGB	rgb(185, 49, 59)
HSL	hsl(356, 58%, 46%)
HSV	hsv(356, 74%, 73%)
CMYK	cmyk(0%, 73.5%, 68.1%, 27.5%)
CIE-LAB	lab(42.51, 54.34, 27.12)
CIE-LCH	lch(42.51, 60.73, 26.52°)
OKLab	oklab(52.54% 0.1599 0.0635)
OKLCH	oklch(52.54% 0.172 21.6)
XYZ	xyz(21.8977, 12.8300, 5.4602)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9313B #31B9AF

analogous

#B9317F #B9313B #B96B31

triadic

#B9313B #3BB931 #313BB9

tetradic

#B9313B #7FB931 #31B9AF #6B31B9

square

#B9313B #7FB931 #31B9AF #6B31B9

split-complementary

#B9313B #31B96B #317FB9

monochromatic

#58171C #89242C #B9313B #D2555E #DF868C

Accessibility & contrast

On white

5.89

#B9313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B9313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9313B

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9313B	#FFFFFF	#000000	##FFFFFF
##B9313B	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58523A

Deuteranopia (green-blind)

#7A6F37

Tritanopia (blue-blind)

#CB0036

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9313b;
/* rgb */ color: rgb(185, 49, 59);
/* oklch */ color: oklch(52.5% 0.172 21.6);

Tailwind

colors: {
  custom: {
    50: '#d67471',
    500: '#b9313b',
    950: '#000000',
  },
}

SCSS

$custom: #b9313b;
$custom-light: #d67471;
$custom-dark: #000000;

JSON

{
  "hex": "#b9313b",
  "rgb": {
    "r": 185,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 355.588,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52543,
    "c": 0.17202,
    "h": 21.6
  },
  "luminance": 0.12827
}

Semantic roles & 50–950 ramp

primary

#B9313B

secondary

#7DC8C3

accent

#E1D646

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B9313B

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

Preview Lab → · Contrast checker → · Palette generator →