#181879#181879

#181879 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.157 H 271.6°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#181879
RGB	rgb(24, 24, 121)
HSL	hsl(240, 67%, 28%)
HSV	hsv(240, 80%, 47%)
CMYK	cmyk(80.2%, 80.2%, 0%, 52.5%)
CIE-LAB	lab(16.64, 35.43, -54.09)
CIE-LCH	lch(16.64, 64.66, 303.22°)
OKLab	oklab(29.66% 0.0043 -0.1566)
OKLCH	oklch(29.66% 0.157 271.6)
XYZ	xyz(4.1533, 2.2275, 18.2965)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181879 #797918

analogous

#184879 #181879 #481879

triadic

#181879 #791818 #187918

tetradic

#181879 #791848 #797918 #187948

square

#181879 #791848 #797918 #187948

split-complementary

#181879 #794818 #487918

monochromatic

#05051A #0E0E46 #181879 #2222AC #3535D7

Accessibility & contrast

On white

14.53

#181879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#181879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181879

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181879	#FFFFFF	#000000	##FFFFFF
##181879	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7C

Deuteranopia (green-blind)

#002477

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181879;
/* rgb */ color: rgb(24, 24, 121);
/* oklch */ color: oklch(29.7% 0.157 271.6);

Tailwind

colors: {
  custom: {
    50: '#6857a1',
    500: '#181879',
    950: '#000000',
  },
}

SCSS

$custom: #181879;
$custom-light: #6857a1;
$custom-dark: #000000;

JSON

{
  "hex": "#181879",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 121
  },
  "hsl": {
    "h": 240,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29658,
    "c": 0.15666,
    "h": 271.6
  },
  "luminance": 0.02228
}

Semantic roles & 50–950 ramp

primary

#181879

secondary

#AEAE3F

accent

#EA3EEA

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #181879

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

Preview Lab → · Contrast checker → · Palette generator →