#B1333F#B1333F

#B1333F is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.162 H 19.8°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B1333F
RGB	rgb(177, 51, 63)
HSL	hsl(354, 55%, 45%)
HSV	hsv(354, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 64.4%, 30.6%)
CIE-LAB	lab(41.34, 51.31, 22.89)
CIE-LCH	lch(41.34, 56.18, 24.04°)
OKLab	oklab(51.42% 0.1521 0.0547)
OKLCH	oklch(51.42% 0.162 19.8)
XYZ	xyz(20.2146, 12.0766, 5.9682)
Luminance	0.1207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1333F #33B1A5

analogous

#B1337E #B1333F #B16633

triadic

#B1333F #3FB133 #333FB1

tetradic

#B1333F #7EB133 #33B1A5 #6633B1

square

#B1333F #7EB133 #33B1A5 #6633B1

split-complementary

#B1333F #33B166 #337EB1

monochromatic

#52181D #81252E #B1333F #CE545F #DB838C

Accessibility & contrast

On white

6.15

#B1333F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B1333F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1333F

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1333F	#FFFFFF	#000000	##FFFFFF
##B1333F	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55513F

Deuteranopia (green-blind)

#756B3B

Tritanopia (blue-blind)

#C20C38

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1333f;
/* rgb */ color: rgb(177, 51, 63);
/* oklch */ color: oklch(51.4% 0.162 19.8);

Tailwind

colors: {
  custom: {
    50: '#cf7474',
    500: '#b1333f',
    950: '#000000',
  },
}

SCSS

$custom: #b1333f;
$custom-light: #cf7474;
$custom-dark: #000000;

JSON

{
  "hex": "#b1333f",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 63
  },
  "hsl": {
    "h": 354.286,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51421,
    "c": 0.16166,
    "h": 19.8
  },
  "luminance": 0.12074
}

Semantic roles & 50–950 ramp

primary

#B1333F

secondary

#7BC5BE

accent

#DFD049

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B1333F

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

Preview Lab → · Contrast checker → · Palette generator →