#B6303E#B6303E

#B6303E is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.170 H 19.9°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B6303E
RGB	rgb(182, 48, 62)
HSL	hsl(354, 58%, 45%)
HSV	hsv(354, 74%, 71%)
CMYK	cmyk(0%, 73.6%, 65.9%, 28.6%)
CIE-LAB	lab(41.86, 53.93, 24.36)
CIE-LCH	lch(41.86, 59.17, 24.31°)
OKLab	oklab(51.98% 0.1596 0.0578)
OKLCH	oklch(51.98% 0.17 19.9)
XYZ	xyz(21.2201, 12.4099, 5.8345)
Luminance	0.1241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6303E #30B6A8

analogous

#B63081 #B6303E #B66530

triadic

#B6303E #3EB630 #303EB6

tetradic

#B6303E #81B630 #30B6A8 #6530B6

square

#B6303E #81B630 #30B6A8 #6530B6

split-complementary

#B6303E #30B665 #3081B6

monochromatic

#55161D #86232E #B6303E #D1525F #DE828C

Accessibility & contrast

On white

6.03

#B6303E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B6303E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6303E

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6303E	#FFFFFF	#000000	##FFFFFF
##B6303E	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513E

Deuteranopia (green-blind)

#786D3A

Tritanopia (blue-blind)

#C80036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b6303e;
/* rgb */ color: rgb(182, 48, 62);
/* oklch */ color: oklch(52.0% 0.170 19.9);

Tailwind

colors: {
  custom: {
    50: '#d37373',
    500: '#b6303e',
    950: '#000000',
  },
}

SCSS

$custom: #b6303e;
$custom-light: #d37373;
$custom-dark: #000000;

JSON

{
  "hex": "#b6303e",
  "rgb": {
    "r": 182,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 353.731,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51976,
    "c": 0.16974,
    "h": 19.9
  },
  "luminance": 0.12407
}

Semantic roles & 50–950 ramp

primary

#B6303E

secondary

#7BC7BF

accent

#E1D146

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #B6303E

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

Preview Lab → · Contrast checker → · Palette generator →