#B8303F#B8303F

#B8303F is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.172 H 19.7°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B8303F
RGB	rgb(184, 48, 63)
HSL	hsl(353, 59%, 45%)
HSV	hsv(353, 74%, 72%)
CMYK	cmyk(0%, 73.9%, 65.8%, 27.8%)
CIE-LAB	lab(42.26, 54.60, 24.32)
CIE-LCH	lch(42.26, 59.77, 24.01°)
OKLab	oklab(52.35% 0.1617 0.0578)
OKLCH	oklch(52.35% 0.172 19.7)
XYZ	xyz(21.7236, 12.6664, 6.0026)
Luminance	0.1266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B8303F #30B8A9

analogous

#B83083 #B8303F #B86530

triadic

#B8303F #3FB830 #303FB8

tetradic

#B8303F #83B830 #30B8A9 #6530B8

square

#B8303F #83B830 #30B8A9 #6530B8

split-complementary

#B8303F #30B865 #3083B8

monochromatic

#57171E #87232E #B8303F #D25361 #DF848E

Accessibility & contrast

On white

5.94

#B8303F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B8303F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B8303F

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B8303F	#FFFFFF	#000000	##FFFFFF
##B8303F	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513F

Deuteranopia (green-blind)

#796E3B

Tritanopia (blue-blind)

#CA0037

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b8303f;
/* rgb */ color: rgb(184, 48, 63);
/* oklch */ color: oklch(52.3% 0.172 19.7);

Tailwind

colors: {
  custom: {
    50: '#d57374',
    500: '#b8303f',
    950: '#000000',
  },
}

SCSS

$custom: #b8303f;
$custom-light: #d57374;
$custom-dark: #000000;

JSON

{
  "hex": "#b8303f",
  "rgb": {
    "r": 184,
    "g": 48,
    "b": 63
  },
  "hsl": {
    "h": 353.382,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52345,
    "c": 0.1717,
    "h": 19.7
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary

#B8303F

secondary

#7CC8C0

accent

#E2D146

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B8303F

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

Preview Lab → · Contrast checker → · Palette generator →