#B13340#B13340

#B13340 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.162 H 19.3°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B13340
RGB	rgb(177, 51, 64)
HSL	hsl(354, 55%, 45%)
HSV	hsv(354, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 63.8%, 30.6%)
CIE-LAB	lab(41.36, 51.37, 22.29)
CIE-LCH	lch(41.36, 56.00, 23.46°)
OKLab	oklab(51.44% 0.1525 0.0535)
OKLCH	oklch(51.44% 0.162 19.3)
XYZ	xyz(20.2428, 12.0878, 6.1168)
Luminance	0.1208 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13340 #33B1A4

analogous

#B1337F #B13340 #B16533

triadic

#B13340 #40B133 #3340B1

tetradic

#B13340 #7FB133 #33B1A4 #6533B1

square

#B13340 #7FB133 #33B1A4 #6533B1

split-complementary

#B13340 #33B165 #337FB1

monochromatic

#52181E #81252F #B13340 #CE5460 #DB838C

Accessibility & contrast

On white

6.15

#B13340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B13340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13340

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13340	#FFFFFF	#000000	##FFFFFF
##B13340	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555140

Deuteranopia (green-blind)

#756B3C

Tritanopia (blue-blind)

#C20D39

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13340;
/* rgb */ color: rgb(177, 51, 64);
/* oklch */ color: oklch(51.4% 0.162 19.3);

Tailwind

colors: {
  custom: {
    50: '#cf7474',
    500: '#b13340',
    950: '#000000',
  },
}

SCSS

$custom: #b13340;
$custom-light: #cf7474;
$custom-dark: #000000;

JSON

{
  "hex": "#b13340",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 353.81,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5144,
    "c": 0.16162,
    "h": 19.3
  },
  "luminance": 0.12085
}

Semantic roles & 50–950 ramp

primary

#B13340

secondary

#7BC5BD

accent

#DFCF49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13340

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

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