#B1333D#B1333D

#B1333D is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.162 H 20.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B1333D
RGB	rgb(177, 51, 61)
HSL	hsl(355, 55%, 45%)
HSV	hsv(355, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 65.5%, 30.6%)
CIE-LAB	lab(41.30, 51.19, 24.07)
CIE-LCH	lch(41.30, 56.57, 25.18°)
OKLab	oklab(51.38% 0.1513 0.0572)
OKLCH	oklch(51.38% 0.162 20.7)
XYZ	xyz(20.1597, 12.0546, 5.6792)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1333D #33B1A7

analogous

#B1337C #B1333D #B16833

triadic

#B1333D #3DB133 #333DB1

tetradic

#B1333D #7CB133 #33B1A7 #6833B1

square

#B1333D #7CB133 #33B1A7 #6833B1

split-complementary

#B1333D #33B168 #337CB1

monochromatic

#52181C #81252D #B1333D #CE545D #DB838A

Accessibility & contrast

On white

6.16

#B1333D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B1333D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1333D

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1333D	#FFFFFF	#000000	##FFFFFF
##B1333D	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56503C

Deuteranopia (green-blind)

#756B39

Tritanopia (blue-blind)

#C20B38

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1333d;
/* rgb */ color: rgb(177, 51, 61);
/* oklch */ color: oklch(51.4% 0.162 20.7);

Tailwind

colors: {
  custom: {
    50: '#cf7472',
    500: '#b1333d',
    950: '#000000',
  },
}

SCSS

$custom: #b1333d;
$custom-light: #cf7472;
$custom-dark: #000000;

JSON

{
  "hex": "#b1333d",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 61
  },
  "hsl": {
    "h": 355.238,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51384,
    "c": 0.16177,
    "h": 20.7
  },
  "luminance": 0.12052
}

Semantic roles & 50–950 ramp

primary

#B1333D

secondary

#7BC5BF

accent

#DFD349

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B1333D

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

Preview Lab → · Contrast checker → · Palette generator →