#B13338#B13338

#B13338 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.162 H 22.9°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B13338
RGB	rgb(177, 51, 56)
HSL	hsl(358, 55%, 45%)
HSV	hsv(358, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 68.4%, 30.6%)
CIE-LAB	lab(41.22, 50.91, 27.02)
CIE-LCH	lch(41.22, 57.64, 27.96°)
OKLab	oklab(51.3% 0.1494 0.0631)
OKLCH	oklch(51.3% 0.162 22.9)
XYZ	xyz(20.0313, 12.0032, 5.0027)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13338 #33B1AC

analogous

#B13377 #B13338 #B16D33

triadic

#B13338 #38B133 #3338B1

tetradic

#B13338 #77B133 #33B1AC #6D33B1

square

#B13338 #77B133 #33B1AC #6D33B1

split-complementary

#B13338 #33B16D #3377B1

monochromatic

#52181A #812529 #B13338 #CE5458 #DB8387

Accessibility & contrast

On white

6.18

#B13338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B13338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13338

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13338	#FFFFFF	#000000	##FFFFFF
##B13338	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565037

Deuteranopia (green-blind)

#766B34

Tritanopia (blue-blind)

#C20736

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13338;
/* rgb */ color: rgb(177, 51, 56);
/* oklch */ color: oklch(51.3% 0.162 22.9);

Tailwind

colors: {
  custom: {
    50: '#d0736e',
    500: '#b13338',
    950: '#000000',
  },
}

SCSS

$custom: #b13338;
$custom-light: #d0736e;
$custom-dark: #000000;

JSON

{
  "hex": "#b13338",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 56
  },
  "hsl": {
    "h": 357.619,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51297,
    "c": 0.16218,
    "h": 22.9
  },
  "luminance": 0.12
}

Semantic roles & 50–950 ramp

primary

#B13338

secondary

#7BC5C2

accent

#DFD949

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13338

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

Preview Lab → · Contrast checker → · Palette generator →