#181679#181679

#181679 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.159 H 271.8°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#181679
RGB	rgb(24, 22, 121)
HSL	hsl(241, 69%, 28%)
HSV	hsv(241, 82%, 47%)
CMYK	cmyk(80.2%, 81.8%, 0%, 52.5%)
CIE-LAB	lab(16.25, 36.56, -54.74)
CIE-LCH	lch(16.25, 65.83, 303.74°)
OKLab	oklab(29.38% 0.005 -0.1585)
OKLCH	oklch(29.38% 0.159 271.8)
XYZ	xyz(4.1136, 2.1480, 18.2833)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181679 #777916

analogous

#164579 #181679 #491679

triadic

#181679 #791816 #167918

tetradic

#181679 #791645 #777916 #167949

square

#181679 #791645 #777916 #167949

split-complementary

#181679 #794916 #457916

monochromatic

#05051A #0E0D45 #181679 #221FAD #3330D9

Accessibility & contrast

On white

14.69

#181679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#181679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181679

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181679	#FFFFFF	#000000	##FFFFFF
##181679	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7C

Deuteranopia (green-blind)

#002377

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181679;
/* rgb */ color: rgb(24, 22, 121);
/* oklch */ color: oklch(29.4% 0.159 271.8);

Tailwind

colors: {
  custom: {
    50: '#6855a1',
    500: '#181679',
    950: '#000000',
  },
}

SCSS

$custom: #181679;
$custom-light: #6855a1;
$custom-dark: #000000;

JSON

{
  "hex": "#181679",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 121
  },
  "hsl": {
    "h": 241.212,
    "s": 69.231,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29382,
    "c": 0.15854,
    "h": 271.8
  },
  "luminance": 0.02148
}

Semantic roles & 50–950 ramp

primary

#181679

secondary

#ACAE3D

accent

#EC3CE8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #181679

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

Preview Lab → · Contrast checker → · Palette generator →