#B9303C#B9303C

#B9303C is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.173 H 21.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B9303C
RGB	rgb(185, 48, 60)
HSL	hsl(355, 59%, 46%)
HSV	hsv(355, 74%, 73%)
CMYK	cmyk(0%, 74.1%, 67.6%, 27.5%)
CIE-LAB	lab(42.40, 54.74, 26.38)
CIE-LCH	lch(42.40, 60.76, 25.73°)
OKLab	oklab(52.47% 0.1614 0.0619)
OKLCH	oklch(52.47% 0.173 21)
XYZ	xyz(21.8825, 12.7577, 5.5843)
Luminance	0.1275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9303C #30B9AD

analogous

#B93080 #B9303C #B96930

triadic

#B9303C #3CB930 #303CB9

tetradic

#B9303C #80B930 #30B9AD #6930B9

square

#B9303C #80B930 #30B9AD #6930B9

split-complementary

#B9303C #30B969 #3080B9

monochromatic

#58171C #88232C #B9303C #D3545F #DF848C

Accessibility & contrast

On white

5.91

#B9303C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B9303C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B9303C

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9303C	#FFFFFF	#000000	##FFFFFF
##B9303C	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57513B

Deuteranopia (green-blind)

#7A6F38

Tritanopia (blue-blind)

#CB0036

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b9303c;
/* rgb */ color: rgb(185, 48, 60);
/* oklch */ color: oklch(52.5% 0.173 21.0);

Tailwind

colors: {
  custom: {
    50: '#d67371',
    500: '#b9303c',
    950: '#000000',
  },
}

SCSS

$custom: #b9303c;
$custom-light: #d67371;
$custom-dark: #000000;

JSON

{
  "hex": "#b9303c",
  "rgb": {
    "r": 185,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 354.745,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52467,
    "c": 0.17287,
    "h": 21
  },
  "luminance": 0.12754
}

Semantic roles & 50–950 ramp

primary

#B9303C

secondary

#7CC9C2

accent

#E2D446

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B9303C

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

Preview Lab → · Contrast checker → · Palette generator →