#B13440#B13440

#B13440 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.5% C 0.161 H 19.6°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B13440
RGB	rgb(177, 52, 64)
HSL	hsl(354, 55%, 45%)
HSV	hsv(354, 71%, 69%)
CMYK	cmyk(0%, 70.6%, 63.8%, 30.6%)
CIE-LAB	lab(41.49, 50.99, 22.47)
CIE-LCH	lch(41.49, 55.72, 23.78°)
OKLab	oklab(51.54% 0.1513 0.0539)
OKLCH	oklch(51.54% 0.161 19.6)
XYZ	xyz(20.2869, 12.1762, 6.1315)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13440 #34B1A5

analogous

#B1347F #B13440 #B16734

triadic

#B13440 #40B134 #3440B1

tetradic

#B13440 #7FB134 #34B1A5 #6734B1

square

#B13440 #7FB134 #34B1A5 #6734B1

split-complementary

#B13440 #34B167 #347FB1

monochromatic

#52181E #82262F #B13440 #CD5561 #DB848D

Accessibility & contrast

On white

6.11

#B13440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B13440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13440

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13440	#FFFFFF	#000000	##FFFFFF
##B13440	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565140

Deuteranopia (green-blind)

#756C3D

Tritanopia (blue-blind)

#C21039

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13440;
/* rgb */ color: rgb(177, 52, 64);
/* oklch */ color: oklch(51.5% 0.161 19.6);

Tailwind

colors: {
  custom: {
    50: '#cf7474',
    500: '#b13440',
    950: '#000000',
  },
}

SCSS

$custom: #b13440;
$custom-light: #cf7474;
$custom-dark: #000000;

JSON

{
  "hex": "#b13440",
  "rgb": {
    "r": 177,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.24,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51544,
    "c": 0.16059,
    "h": 19.6
  },
  "luminance": 0.12173
}

Semantic roles & 50–950 ramp

primary

#B13440

secondary

#7CC5BE

accent

#DED04A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13440

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

Preview Lab → · Contrast checker → · Palette generator →