#B4302D#B4302D

#B4302D is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.169 H 26.5°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B4302D
RGB	rgb(180, 48, 45)
HSL	hsl(1, 60%, 44%)
HSV	hsv(1, 75%, 71%)
CMYK	cmyk(0%, 73.3%, 75%, 29.4%)
CIE-LAB	lab(41.23, 52.46, 33.73)
CIE-LCH	lch(41.23, 62.37, 32.74°)
OKLab	oklab(51.36% 0.1516 0.0756)
OKLCH	oklch(51.36% 0.169 26.5)
XYZ	xyz(20.3553, 12.0098, 3.7284)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4302D #2DB1B4

analogous

#B42D6E #B4302D #B4742D

triadic

#B4302D #2DB430 #302DB4

tetradic

#B4302D #6EB42D #2DB1B4 #742DB4

square

#B4302D #6EB42D #2DB1B4 #742DB4

split-complementary

#B4302D #2DB474 #2D6EB4

monochromatic

#521615 #832321 #B4302D #D24F4C #DE7F7D

Accessibility & contrast

On white

6.17

#B4302D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B4302D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4302D

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4302D	#FFFFFF	#000000	##FFFFFF
##B4302D	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2B

Deuteranopia (green-blind)

#786C28

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b4302d;
/* rgb */ color: rgb(180, 48, 45);
/* oklch */ color: oklch(51.4% 0.169 26.5);

Tailwind

colors: {
  custom: {
    50: '#d37266',
    500: '#b4302d',
    950: '#000000',
  },
}

SCSS

$custom: #b4302d;
$custom-light: #d37266;
$custom-dark: #000000;

JSON

{
  "hex": "#b4302d",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 45
  },
  "hsl": {
    "h": 1.333,
    "s": 60,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51359,
    "c": 0.16936,
    "h": 26.5
  },
  "luminance": 0.12007
}

Semantic roles & 50–950 ramp

primary

#B4302D

secondary

#76C5C7

accent

#E0E345

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B4302D

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

Preview Lab → · Contrast checker → · Palette generator →