#B9303A#B9303A

#B9303A is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.173 H 21.8°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B9303A
RGB	rgb(185, 48, 58)
HSL	hsl(356, 59%, 46%)
HSV	hsv(356, 74%, 73%)
CMYK	cmyk(0%, 74.1%, 68.6%, 27.5%)
CIE-LAB	lab(42.36, 54.64, 27.55)
CIE-LCH	lch(42.36, 61.19, 26.76°)
OKLab	oklab(52.43% 0.1606 0.0643)
OKLCH	oklch(52.43% 0.173 21.8)
XYZ	xyz(21.8307, 12.7370, 5.3111)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9303A #30B9AF

analogous

#B9307F #B9303A #B96A30

triadic

#B9303A #3AB930 #303AB9

tetradic

#B9303A #7FB930 #30B9AF #6A30B9

square

#B9303A #7FB930 #30B9AF #6A30B9

split-complementary

#B9303A #30B96A #307FB9

monochromatic

#58171C #88232B #B9303A #D3545D #DF848B

Accessibility & contrast

On white

5.92

#B9303A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B9303A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9303A

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9303A	#FFFFFF	#000000	##FFFFFF
##B9303A	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575139

Deuteranopia (green-blind)

#7A6F36

Tritanopia (blue-blind)

#CB0035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9303a;
/* rgb */ color: rgb(185, 48, 58);
/* oklch */ color: oklch(52.4% 0.173 21.8);

Tailwind

colors: {
  custom: {
    50: '#d67370',
    500: '#b9303a',
    950: '#000000',
  },
}

SCSS

$custom: #b9303a;
$custom-light: #d67370;
$custom-dark: #000000;

JSON

{
  "hex": "#b9303a",
  "rgb": {
    "r": 185,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 355.62,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52433,
    "c": 0.173,
    "h": 21.8
  },
  "luminance": 0.12734
}

Semantic roles & 50–950 ramp

primary

#B9303A

secondary

#7CC9C3

accent

#E2D746

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B9303A

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

Preview Lab → · Contrast checker → · Palette generator →