#B9303B#B9303B

#B9303B is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.173 H 21.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B9303B
RGB	rgb(185, 48, 59)
HSL	hsl(355, 59%, 46%)
HSV	hsv(355, 74%, 73%)
CMYK	cmyk(0%, 74.1%, 68.1%, 27.5%)
CIE-LAB	lab(42.38, 54.69, 26.96)
CIE-LCH	lch(42.38, 60.97, 26.25°)
OKLab	oklab(52.45% 0.161 0.0631)
OKLCH	oklch(52.45% 0.173 21.4)
XYZ	xyz(21.8563, 12.7472, 5.4464)
Luminance	0.1274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9303B #30B9AE

analogous

#B93080 #B9303B #B96930

triadic

#B9303B #3BB930 #303BB9

tetradic

#B9303B #80B930 #30B9AE #6930B9

square

#B9303B #80B930 #30B9AE #6930B9

split-complementary

#B9303B #30B969 #3080B9

monochromatic

#58171C #88232C #B9303B #D3545E #DF848C

Accessibility & contrast

On white

5.92

#B9303B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B9303B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9303B

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9303B	#FFFFFF	#000000	##FFFFFF
##B9303B	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)

#57513A

Deuteranopia (green-blind)

#7A6F37

Tritanopia (blue-blind)

#CB0035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9303b;
/* rgb */ color: rgb(185, 48, 59);
/* oklch */ color: oklch(52.4% 0.173 21.4);

Tailwind

colors: {
  custom: {
    50: '#d67371',
    500: '#b9303b',
    950: '#000000',
  },
}

SCSS

$custom: #b9303b;
$custom-light: #d67371;
$custom-dark: #000000;

JSON

{
  "hex": "#b9303b",
  "rgb": {
    "r": 185,
    "g": 48,
    "b": 59
  },
  "hsl": {
    "h": 355.182,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5245,
    "c": 0.17293,
    "h": 21.4
  },
  "luminance": 0.12744
}

Semantic roles & 50–950 ramp

primary

#B9303B

secondary

#7CC9C2

accent

#E2D546

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B9303B

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

Preview Lab → · Contrast checker → · Palette generator →