#B13640#B13640

#B13640 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.159 H 20.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B13640
RGB	rgb(177, 54, 64)
HSL	hsl(355, 53%, 45%)
HSV	hsv(355, 69%, 69%)
CMYK	cmyk(0%, 69.5%, 63.8%, 30.6%)
CIE-LAB	lab(41.78, 50.20, 22.84)
CIE-LCH	lch(41.78, 55.15, 24.46°)
OKLab	oklab(51.76% 0.1488 0.0547)
OKLCH	oklch(51.76% 0.159 20.2)
XYZ	xyz(20.3781, 12.3585, 6.1619)
Luminance	0.1236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13640 #36B1A7

analogous

#B1367D #B13640 #B16936

triadic

#B13640 #40B136 #3640B1

tetradic

#B13640 #7DB136 #36B1A7 #6936B1

square

#B13640 #7DB136 #36B1A7 #6936B1

split-complementary

#B13640 #36B169 #367DB1

monochromatic

#53191E #82282F #B13640 #CC5862 #DA878E

Accessibility & contrast

On white

6.05

#B13640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B13640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13640

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13640	#FFFFFF	#000000	##FFFFFF
##B13640	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523F

Deuteranopia (green-blind)

#766C3D

Tritanopia (blue-blind)

#C2153B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13640;
/* rgb */ color: rgb(177, 54, 64);
/* oklch */ color: oklch(51.8% 0.159 20.2);

Tailwind

colors: {
  custom: {
    50: '#cf7574',
    500: '#b13640',
    950: '#000000',
  },
}

SCSS

$custom: #b13640;
$custom-light: #cf7574;
$custom-dark: #000000;

JSON

{
  "hex": "#b13640",
  "rgb": {
    "r": 177,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 355.122,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51757,
    "c": 0.15853,
    "h": 20.2
  },
  "luminance": 0.12356
}

Semantic roles & 50–950 ramp

primary

#B13640

secondary

#7FC4BF

accent

#DDD14B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13640

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

Preview Lab → · Contrast checker → · Palette generator →