#B13040#B13040

#B13040 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.165 H 18.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B13040
RGB	rgb(177, 48, 64)
HSL	hsl(353, 57%, 44%)
HSV	hsv(353, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 63.8%, 30.6%)
CIE-LAB	lab(40.95, 52.49, 21.77)
CIE-LCH	lch(40.95, 56.82, 22.53°)
OKLab	oklab(51.14% 0.1561 0.0523)
OKLCH	oklch(51.14% 0.165 18.5)
XYZ	xyz(20.1159, 11.8341, 6.0745)
Luminance	0.1183 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13040 #30B1A1

analogous

#B13081 #B13040 #B16130

triadic

#B13040 #40B130 #3040B1

tetradic

#B13040 #81B130 #30B1A1 #6130B1

square

#B13040 #81B130 #30B1A1 #6130B1

split-complementary

#B13040 #30B161 #3081B1

monochromatic

#51161D #81232F #B13040 #CF4F5F #DC7F8B

Accessibility & contrast

On white

6.24

#B13040 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B13040 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13040

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13040	#FFFFFF	#000000	##FFFFFF
##B13040	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F40

Deuteranopia (green-blind)

#746A3C

Tritanopia (blue-blind)

#C20237

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b13040;
/* rgb */ color: rgb(177, 48, 64);
/* oklch */ color: oklch(51.1% 0.165 18.5);

Tailwind

colors: {
  custom: {
    50: '#cf7274',
    500: '#b13040',
    950: '#000000',
  },
}

SCSS

$custom: #b13040;
$custom-light: #cf7274;
$custom-dark: #000000;

JSON

{
  "hex": "#b13040",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 352.558,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51139,
    "c": 0.1646,
    "h": 18.5
  },
  "luminance": 0.11831
}

Semantic roles & 50–950 ramp

primary

#B13040

secondary

#78C5BC

accent

#E1CE47

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13040

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

Preview Lab → · Contrast checker → · Palette generator →