#B4302C#B4302C

#B4302C is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.169 H 26.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B4302C
RGB	rgb(180, 48, 44)
HSL	hsl(2, 61%, 44%)
HSV	hsv(2, 76%, 71%)
CMYK	cmyk(0%, 73.3%, 75.6%, 29.4%)
CIE-LAB	lab(41.22, 52.42, 34.30)
CIE-LCH	lch(41.22, 62.64, 33.20°)
OKLab	oklab(51.35% 0.1512 0.0766)
OKLCH	oklch(51.35% 0.169 26.9)
XYZ	xyz(20.3363, 12.0022, 3.6282)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4302C #2CB0B4

analogous

#B42C6C #B4302C #B4742C

triadic

#B4302C #2CB430 #302CB4

tetradic

#B4302C #6CB42C #2CB0B4 #742CB4

square

#B4302C #6CB42C #2CB0B4 #742CB4

split-complementary

#B4302C #2CB474 #2C6CB4

monochromatic

#521614 #832320 #B4302C #D34E4A #DF7E7C

Accessibility & contrast

On white

6.18

#B4302C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B4302C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4302C

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4302C	#FFFFFF	#000000	##FFFFFF
##B4302C	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2A

Deuteranopia (green-blind)

#786C27

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b4302c;
/* rgb */ color: rgb(180, 48, 44);
/* oklch */ color: oklch(51.3% 0.169 26.9);

Tailwind

colors: {
  custom: {
    50: '#d37266',
    500: '#b4302c',
    950: '#000000',
  },
}

SCSS

$custom: #b4302c;
$custom-light: #d37266;
$custom-dark: #000000;

JSON

{
  "hex": "#b4302c",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 44
  },
  "hsl": {
    "h": 1.765,
    "s": 60.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51346,
    "c": 0.16949,
    "h": 26.9
  },
  "luminance": 0.11999
}

Semantic roles & 50–950 ramp

primary

#B4302C

secondary

#75C5C7

accent

#DFE444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B4302C

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

Preview Lab → · Contrast checker → · Palette generator →