#131580#131580

#131580 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.170 H 269.3°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#131580
RGB	rgb(19, 21, 128)
HSL	hsl(239, 74%, 29%)
HSV	hsv(239, 85%, 50%)
CMYK	cmyk(85.2%, 83.6%, 0%, 49.8%)
CIE-LAB	lab(16.66, 39.17, -58.53)
CIE-LCH	lch(16.66, 70.42, 303.79°)
OKLab	oklab(29.85% -0.002 -0.1695)
OKLCH	oklch(29.85% 0.17 269.3)
XYZ	xyz(4.4317, 2.2328, 20.6153)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131580 #807E13

analogous

#134C80 #131580 #481380

triadic

#131580 #801315 #158013

tetradic

#131580 #80134C #807E13 #138048

square

#131580 #80134C #807E13 #138048

split-complementary

#131580 #804813 #4C8013

monochromatic

#04041B #0B0C4B #131580 #1B1EB5 #2D31E0

Accessibility & contrast

On white

14.52

#131580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#131580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131580

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131580	#FFFFFF	#000000	##FFFFFF
##131580	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F83

Deuteranopia (green-blind)

#00237E

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #131580;
/* rgb */ color: rgb(19, 21, 128);
/* oklch */ color: oklch(29.9% 0.170 269.3);

Tailwind

colors: {
  custom: {
    50: '#6955a6',
    500: '#131580',
    950: '#000000',
  },
}

SCSS

$custom: #131580;
$custom-light: #6955a6;
$custom-dark: #000000;

JSON

{
  "hex": "#131580",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 128
  },
  "hsl": {
    "h": 238.899,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29853,
    "c": 0.1695,
    "h": 269.3
  },
  "luminance": 0.02233
}

Semantic roles & 50–950 ramp

primary

#131580

secondary

#B5B339

accent

#ED37F1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080310

muted

#7A787F

Preview Lab

Preview with #131580

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

Preview Lab → · Contrast checker → · Palette generator →