#181869#181869

#181869 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.136 H 273.2°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#181869
RGB	rgb(24, 24, 105)
HSL	hsl(240, 63%, 25%)
HSV	hsv(240, 77%, 41%)
CMYK	cmyk(77.1%, 77.1%, 0%, 58.8%)
CIE-LAB	lab(14.77, 29.68, -46.80)
CIE-LCH	lch(14.77, 55.42, 302.39°)
OKLab	oklab(27.79% 0.0075 -0.1354)
OKLCH	oklch(27.79% 0.136 273.2)
XYZ	xyz(3.2523, 1.8670, 13.5508)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181869 #696918

analogous

#184069 #181869 #401869

triadic

#181869 #691818 #186918

tetradic

#181869 #691840 #696918 #186940

square

#181869 #691840 #696918 #186940

split-complementary

#181869 #694018 #406918

monochromatic

#060619 #0D0D37 #181869 #23239B #2F2FCD

Accessibility & contrast

On white

15.29

#181869 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#181869 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181869

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181869	#FFFFFF	#000000	##FFFFFF
##181869	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296B

Deuteranopia (green-blind)

#002168

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #181869;
/* rgb */ color: rgb(24, 24, 105);
/* oklch */ color: oklch(27.8% 0.136 273.2);

Tailwind

colors: {
  custom: {
    50: '#645695',
    500: '#181869',
    950: '#000000',
  },
}

SCSS

$custom: #181869;
$custom-light: #645695;
$custom-dark: #000000;

JSON

{
  "hex": "#181869",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 105
  },
  "hsl": {
    "h": 240,
    "s": 62.791,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27786,
    "c": 0.1356,
    "h": 273.2
  },
  "luminance": 0.01867
}

Semantic roles & 50–950 ramp

primary

#181869

secondary

#9F9F3E

accent

#E642E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181869

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

Preview Lab → · Contrast checker → · Palette generator →