#131166#131166

#131166 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.1% C 0.140 H 272.0°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#131166
RGB	rgb(19, 17, 102)
HSL	hsl(241, 71%, 23%)
HSV	hsv(241, 83%, 40%)
CMYK	cmyk(81.4%, 83.3%, 0%, 60%)
CIE-LAB	lab(12.60, 32.37, -48.43)
CIE-LCH	lch(12.60, 58.25, 303.76°)
OKLab	oklab(26.06% 0.0049 -0.1402)
OKLCH	oklch(26.06% 0.14 272)
XYZ	xyz(2.8665, 1.4983, 12.7059)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131166 #646611

analogous

#113966 #131166 #3D1166

triadic

#131166 #661311 #116613

tetradic

#131166 #661139 #646611 #11663D

square

#131166 #661139 #646611 #11663D

split-complementary

#131166 #663D11 #396611

monochromatic

#05041A #090832 #131166 #1D1A9A #2722CF

Accessibility & contrast

On white

16.16

#131166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131166

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131166	#FFFFFF	#000000	##FFFFFF
##131166	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002568

Deuteranopia (green-blind)

#001C65

Tritanopia (blue-blind)

#002B3B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131166;
/* rgb */ color: rgb(19, 17, 102);
/* oklch */ color: oklch(26.1% 0.140 272.0);

Tailwind

colors: {
  custom: {
    50: '#625193',
    500: '#131166',
    950: '#000000',
  },
}

SCSS

$custom: #131166;
$custom-light: #625193;
$custom-dark: #000000;

JSON

{
  "hex": "#131166",
  "rgb": {
    "r": 19,
    "g": 17,
    "b": 102
  },
  "hsl": {
    "h": 241.412,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.26056,
    "c": 0.14025,
    "h": 272
  },
  "luminance": 0.01499
}

Semantic roles & 50–950 ramp

primary

#131166

secondary

#9C9E35

accent

#EE3AEA

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #131166

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

Preview Lab → · Contrast checker → · Palette generator →