#B4333A#B4333A

#B4333A is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.165 H 22.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B4333A
RGB	rgb(180, 51, 58)
HSL	hsl(357, 56%, 45%)
HSV	hsv(357, 72%, 71%)
CMYK	cmyk(0%, 71.7%, 67.8%, 29.4%)
CIE-LAB	lab(41.81, 51.98, 26.66)
CIE-LCH	lch(41.81, 58.42, 27.16°)
OKLab	oklab(51.85% 0.1528 0.0625)
OKLCH	oklch(51.85% 0.165 22.2)
XYZ	xyz(20.7722, 12.3795, 5.2979)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4333A #33B4AD

analogous

#B4337B #B4333A #B46C33

triadic

#B4333A #3AB433 #333AB4

tetradic

#B4333A #7BB433 #33B4AD #6C33B4

square

#B4333A #7BB433 #33B4AD #6C33B4

split-complementary

#B4333A #33B46C #337BB4

monochromatic

#55181B #84252B #B4333A #CF555C #DC858A

Accessibility & contrast

On white

6.04

#B4333A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B4333A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4333A

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4333A	#FFFFFF	#000000	##FFFFFF
##B4333A	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)

#575139

Deuteranopia (green-blind)

#786D36

Tritanopia (blue-blind)

#C60437

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b4333a;
/* rgb */ color: rgb(180, 51, 58);
/* oklch */ color: oklch(51.9% 0.165 22.2);

Tailwind

colors: {
  custom: {
    50: '#d27470',
    500: '#b4333a',
    950: '#000000',
  },
}

SCSS

$custom: #b4333a;
$custom-light: #d27470;
$custom-dark: #000000;

JSON

{
  "hex": "#b4333a",
  "rgb": {
    "r": 180,
    "g": 51,
    "b": 58
  },
  "hsl": {
    "h": 356.744,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51851,
    "c": 0.16512,
    "h": 22.2
  },
  "luminance": 0.12376
}

Semantic roles & 50–950 ramp

primary

#B4333A

secondary

#7DC6C2

accent

#DFD749

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B4333A

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

Preview Lab → · Contrast checker → · Palette generator →