#181766#181766

#181766 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.3% C 0.133 H 273.7°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#181766
RGB	rgb(24, 23, 102)
HSL	hsl(241, 63%, 25%)
HSV	hsv(241, 77%, 40%)
CMYK	cmyk(76.5%, 77.5%, 0%, 60%)
CIE-LAB	lab(14.21, 29.21, -45.75)
CIE-LCH	lch(14.21, 54.28, 302.55°)
OKLab	oklab(27.28% 0.0087 -0.1323)
OKLCH	oklch(27.28% 0.133 273.7)
XYZ	xyz(3.0806, 1.7660, 12.7463)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181766 #656617

analogous

#173E66 #181766 #3F1766

triadic

#181766 #661817 #176618

tetradic

#181766 #66173E #656617 #17663F

square

#181766 #66173E #656617 #17663F

split-complementary

#181766 #663F17 #3E6617

monochromatic

#060619 #0C0C34 #181766 #242298 #2F2ECA

Accessibility & contrast

On white

15.52

#181766 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#181766 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181766

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181766	#FFFFFF	#000000	##FFFFFF
##181766	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002868

Deuteranopia (green-blind)

#002065

Tritanopia (blue-blind)

#002E3D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181766;
/* rgb */ color: rgb(24, 23, 102);
/* oklch */ color: oklch(27.3% 0.133 273.7);

Tailwind

colors: {
  custom: {
    50: '#635593',
    500: '#181766',
    950: '#000000',
  },
}

SCSS

$custom: #181766;
$custom-light: #635593;
$custom-dark: #000000;

JSON

{
  "hex": "#181766",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 102
  },
  "hsl": {
    "h": 240.759,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27283,
    "c": 0.13263,
    "h": 273.7
  },
  "luminance": 0.01766
}

Semantic roles & 50–950 ramp

primary

#181766

secondary

#9B9C3C

accent

#E642E4

background

#F6F5F9

surface

#EBE8F1

border

#C6C4CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181766

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

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