#B1333A#B1333A

#B1333A is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.162 H 22.0°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B1333A
RGB	rgb(177, 51, 58)
HSL	hsl(357, 55%, 45%)
HSV	hsv(357, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 67.2%, 30.6%)
CIE-LAB	lab(41.25, 51.02, 25.85)
CIE-LCH	lch(41.25, 57.19, 26.87°)
OKLab	oklab(51.33% 0.1502 0.0608)
OKLCH	oklch(51.33% 0.162 22)
XYZ	xyz(20.0811, 12.0232, 5.2655)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1333A #33B1AA

analogous

#B13379 #B1333A #B16B33

triadic

#B1333A #3AB133 #333AB1

tetradic

#B1333A #79B133 #33B1AA #6B33B1

square

#B1333A #79B133 #33B1AA #6B33B1

split-complementary

#B1333A #33B16B #3379B1

monochromatic

#52181B #81252A #B1333A #CE545A #DB8388

Accessibility & contrast

On white

6.17

#B1333A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B1333A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1333A

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1333A	#FFFFFF	#000000	##FFFFFF
##B1333A	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)

#565039

Deuteranopia (green-blind)

#766B36

Tritanopia (blue-blind)

#C20937

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1333a;
/* rgb */ color: rgb(177, 51, 58);
/* oklch */ color: oklch(51.3% 0.162 22.0);

Tailwind

colors: {
  custom: {
    50: '#d07370',
    500: '#b1333a',
    950: '#000000',
  },
}

SCSS

$custom: #b1333a;
$custom-light: #d07370;
$custom-dark: #000000;

JSON

{
  "hex": "#b1333a",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 58
  },
  "hsl": {
    "h": 356.667,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51331,
    "c": 0.16199,
    "h": 22
  },
  "luminance": 0.1202
}

Semantic roles & 50–950 ramp

primary

#B1333A

secondary

#7BC5C1

accent

#DFD649

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B1333A

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

Preview Lab → · Contrast checker → · Palette generator →