#181665#181665

#181665 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.132 H 274.1°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#181665
RGB	rgb(24, 22, 101)
HSL	hsl(242, 64%, 24%)
HSV	hsv(242, 78%, 40%)
CMYK	cmyk(76.2%, 78.2%, 0%, 60.4%)
CIE-LAB	lab(13.87, 29.47, -45.65)
CIE-LCH	lch(13.87, 54.34, 302.85°)
OKLab	oklab(27.01% 0.0094 -0.132)
OKLCH	oklch(27.01% 0.132 274.1)
XYZ	xyz(3.0118, 1.7073, 12.4802)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181665 #636516

analogous

#163C65 #181665 #401665

triadic

#181665 #651816 #166518

tetradic

#181665 #65163C #636516 #166540

square

#181665 #65163C #636516 #166540

split-complementary

#181665 #654016 #3C6516

monochromatic

#060519 #0C0B33 #181665 #242197 #302CCA

Accessibility & contrast

On white

15.65

#181665 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#181665 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181665

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181665	#FFFFFF	#000000	##FFFFFF
##181665	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002767

Deuteranopia (green-blind)

#002064

Tritanopia (blue-blind)

#002D3C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #181665;
/* rgb */ color: rgb(24, 22, 101);
/* oklch */ color: oklch(27.0% 0.132 274.1);

Tailwind

colors: {
  custom: {
    50: '#635492',
    500: '#181665',
    950: '#000000',
  },
}

SCSS

$custom: #181665;
$custom-light: #635492;
$custom-dark: #000000;

JSON

{
  "hex": "#181665",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 101
  },
  "hsl": {
    "h": 241.519,
    "s": 64.228,
    "l": 24.118
  },
  "oklch": {
    "l": 0.27008,
    "c": 0.13238,
    "h": 274.1
  },
  "luminance": 0.01708
}

Semantic roles & 50–950 ramp

primary

#181665

secondary

#999C3B

accent

#E741E3

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181665

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

Preview Lab → · Contrast checker → · Palette generator →