#B13339#B13339

#B13339 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.162 H 22.5°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B13339
RGB	rgb(177, 51, 57)
HSL	hsl(357, 55%, 45%)
HSV	hsv(357, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 67.8%, 30.6%)
CIE-LAB	lab(41.24, 50.96, 26.44)
CIE-LCH	lch(41.24, 57.41, 27.42°)
OKLab	oklab(51.31% 0.1498 0.062)
OKLCH	oklch(51.31% 0.162 22.5)
XYZ	xyz(20.0560, 12.0131, 5.1328)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13339 #33B1AB

analogous

#B13378 #B13339 #B16C33

triadic

#B13339 #39B133 #3339B1

tetradic

#B13339 #78B133 #33B1AB #6C33B1

square

#B13339 #78B133 #33B1AB #6C33B1

split-complementary

#B13339 #33B16C #3378B1

monochromatic

#52181A #81252A #B13339 #CE5459 #DB8387

Accessibility & contrast

On white

6.17

#B13339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B13339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13339

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13339	#FFFFFF	#000000	##FFFFFF
##B13339	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)

#565038

Deuteranopia (green-blind)

#766B35

Tritanopia (blue-blind)

#C20836

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13339;
/* rgb */ color: rgb(177, 51, 57);
/* oklch */ color: oklch(51.3% 0.162 22.5);

Tailwind

colors: {
  custom: {
    50: '#d0736f',
    500: '#b13339',
    950: '#000000',
  },
}

SCSS

$custom: #b13339;
$custom-light: #d0736f;
$custom-dark: #000000;

JSON

{
  "hex": "#b13339",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 357.143,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51314,
    "c": 0.16208,
    "h": 22.5
  },
  "luminance": 0.1201
}

Semantic roles & 50–950 ramp

primary

#B13339

secondary

#7BC5C1

accent

#DFD749

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13339

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

Preview Lab → · Contrast checker → · Palette generator →