#B13540#B13540

#B13540 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.160 H 19.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B13540
RGB	rgb(177, 53, 64)
HSL	hsl(355, 54%, 45%)
HSV	hsv(355, 70%, 69%)
CMYK	cmyk(0%, 70.1%, 63.8%, 30.6%)
CIE-LAB	lab(41.64, 50.60, 22.65)
CIE-LCH	lch(41.64, 55.44, 24.12°)
OKLab	oklab(51.65% 0.15 0.0543)
OKLCH	oklch(51.65% 0.16 19.9)
XYZ	xyz(20.3321, 12.2664, 6.1465)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13540 #35B1A6

analogous

#B1357E #B13540 #B16835

triadic

#B13540 #40B135 #3540B1

tetradic

#B13540 #7EB135 #35B1A6 #6835B1

square

#B13540 #7EB135 #35B1A6 #6835B1

split-complementary

#B13540 #35B168 #357EB1

monochromatic

#53191E #82272F #B13540 #CD5761 #DB868D

Accessibility & contrast

On white

6.08

#B13540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B13540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13540

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13540	#FFFFFF	#000000	##FFFFFF
##B13540	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565240

Deuteranopia (green-blind)

#766C3D

Tritanopia (blue-blind)

#C2123A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13540;
/* rgb */ color: rgb(177, 53, 64);
/* oklch */ color: oklch(51.6% 0.160 19.9);

Tailwind

colors: {
  custom: {
    50: '#cf7574',
    500: '#b13540',
    950: '#000000',
  },
}

SCSS

$custom: #b13540;
$custom-light: #cf7574;
$custom-dark: #000000;

JSON

{
  "hex": "#b13540",
  "rgb": {
    "r": 177,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.677,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5165,
    "c": 0.15956,
    "h": 19.9
  },
  "luminance": 0.12263
}

Semantic roles & 50–950 ramp

primary

#B13540

secondary

#7DC4BE

accent

#DDD04B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13540

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

Preview Lab → · Contrast checker → · Palette generator →