#181678#181678

#181678 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.157 H 271.9°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#181678
RGB	rgb(24, 22, 120)
HSL	hsl(241, 69%, 28%)
HSV	hsv(241, 82%, 47%)
CMYK	cmyk(80%, 81.7%, 0%, 52.9%)
CIE-LAB	lab(16.12, 36.22, -54.30)
CIE-LCH	lch(16.12, 65.27, 303.70°)
OKLab	oklab(29.26% 0.0052 -0.1572)
OKLCH	oklch(29.26% 0.157 271.9)
XYZ	xyz(4.0526, 2.1236, 17.9620)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181678 #767816

analogous

#164578 #181678 #491678

triadic

#181678 #781816 #167818

tetradic

#181678 #781645 #767816 #167849

square

#181678 #781645 #767816 #167849

split-complementary

#181678 #784916 #457816

monochromatic

#05051A #0E0D44 #181678 #221FAC #332FD9

Accessibility & contrast

On white

14.74

#181678 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#181678 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181678

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181678	#FFFFFF	#000000	##FFFFFF
##181678	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7B

Deuteranopia (green-blind)

#002376

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181678;
/* rgb */ color: rgb(24, 22, 120);
/* oklch */ color: oklch(29.3% 0.157 271.9);

Tailwind

colors: {
  custom: {
    50: '#6855a0',
    500: '#181678',
    950: '#000000',
  },
}

SCSS

$custom: #181678;
$custom-light: #6855a0;
$custom-dark: #000000;

JSON

{
  "hex": "#181678",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 120
  },
  "hsl": {
    "h": 241.224,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29261,
    "c": 0.15727,
    "h": 271.9
  },
  "luminance": 0.02124
}

Semantic roles & 50–950 ramp

primary

#181678

secondary

#ABAD3C

accent

#EC3CE8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #181678

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

Preview Lab → · Contrast checker → · Palette generator →