#181865#181865

#181865 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.3% C 0.130 H 273.6°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#181865
RGB	rgb(24, 24, 101)
HSL	hsl(240, 62%, 25%)
HSV	hsv(240, 76%, 40%)
CMYK	cmyk(76.2%, 76.2%, 0%, 60.4%)
CIE-LAB	lab(14.33, 28.20, -44.90)
CIE-LCH	lch(14.33, 53.02, 302.13°)
OKLab	oklab(27.33% 0.0083 -0.1299)
OKLCH	oklch(27.33% 0.13 273.6)
XYZ	xyz(3.0515, 1.7867, 12.4935)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181865 #656518

analogous

#183F65 #181865 #3F1865

triadic

#181865 #651818 #186518

tetradic

#181865 #65183F #656518 #18653F

square

#181865 #65183F #656518 #18653F

split-complementary

#181865 #653F18 #3F6518

monochromatic

#060619 #0C0C34 #181865 #242496 #3030C8

Accessibility & contrast

On white

15.47

#181865 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#181865 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181865

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181865	#FFFFFF	#000000	##FFFFFF
##181865	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002867

Deuteranopia (green-blind)

#002164

Tritanopia (blue-blind)

#002E3C

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181865;
/* rgb */ color: rgb(24, 24, 101);
/* oklch */ color: oklch(27.3% 0.130 273.6);

Tailwind

colors: {
  custom: {
    50: '#635592',
    500: '#181865',
    950: '#000000',
  },
}

SCSS

$custom: #181865;
$custom-light: #635592;
$custom-dark: #000000;

JSON

{
  "hex": "#181865",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 101
  },
  "hsl": {
    "h": 240,
    "s": 61.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27333,
    "c": 0.13012,
    "h": 273.6
  },
  "luminance": 0.01787
}

Semantic roles & 50–950 ramp

primary

#181865

secondary

#9B9B3E

accent

#E543E5

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181865

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

Preview Lab → · Contrast checker → · Palette generator →