#B6303C#B6303C

#B6303C is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.170 H 20.8°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B6303C
RGB	rgb(182, 48, 60)
HSL	hsl(355, 58%, 45%)
HSV	hsv(355, 74%, 71%)
CMYK	cmyk(0%, 73.6%, 67%, 28.6%)
CIE-LAB	lab(41.83, 53.81, 25.54)
CIE-LCH	lch(41.83, 59.57, 25.39°)
OKLab	oklab(51.94% 0.1588 0.0602)
OKLCH	oklch(51.94% 0.17 20.8)
XYZ	xyz(21.1663, 12.3884, 5.5508)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6303C #30B6AA

analogous

#B6307F #B6303C #B66730

triadic

#B6303C #3CB630 #303CB6

tetradic

#B6303C #7FB630 #30B6AA #6730B6

square

#B6303C #7FB630 #30B6AA #6730B6

split-complementary

#B6303C #30B667 #307FB6

monochromatic

#55161C #86232C #B6303C #D1525D #DE828B

Accessibility & contrast

On white

6.04

#B6303C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B6303C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6303C

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6303C	#FFFFFF	#000000	##FFFFFF
##B6303C	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513B

Deuteranopia (green-blind)

#786D38

Tritanopia (blue-blind)

#C80036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b6303c;
/* rgb */ color: rgb(182, 48, 60);
/* oklch */ color: oklch(51.9% 0.170 20.8);

Tailwind

colors: {
  custom: {
    50: '#d47371',
    500: '#b6303c',
    950: '#000000',
  },
}

SCSS

$custom: #b6303c;
$custom-light: #d47371;
$custom-dark: #000000;

JSON

{
  "hex": "#b6303c",
  "rgb": {
    "r": 182,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 354.627,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5194,
    "c": 0.16985,
    "h": 20.8
  },
  "luminance": 0.12385
}

Semantic roles & 50–950 ramp

primary

#B6303C

secondary

#7BC7C0

accent

#E1D446

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6303C

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

Preview Lab → · Contrast checker → · Palette generator →