#181664#181664

#181664 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.9% C 0.131 H 274.2°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#181664
RGB	rgb(24, 22, 100)
HSL	hsl(242, 64%, 24%)
HSV	hsv(242, 78%, 39%)
CMYK	cmyk(76%, 78%, 0%, 60.8%)
CIE-LAB	lab(13.76, 29.11, -45.18)
CIE-LCH	lch(13.76, 53.74, 302.79°)
OKLab	oklab(26.89% 0.0096 -0.1307)
OKLCH	oklch(26.89% 0.131 274.2)
XYZ	xyz(2.9631, 1.6878, 12.2237)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181664 #626416

analogous

#163B64 #181664 #3F1664

triadic

#181664 #641816 #166418

tetradic

#181664 #64163B #626416 #16643F

square

#181664 #64163B #626416 #16643F

split-complementary

#181664 #643F16 #3B6416

monochromatic

#060619 #0C0B32 #181664 #242196 #302CC8

Accessibility & contrast

On white

15.70

#181664 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#181664 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181664

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181664	#FFFFFF	#000000	##FFFFFF
##181664	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002766

Deuteranopia (green-blind)

#001F63

Tritanopia (blue-blind)

#002C3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #181664;
/* rgb */ color: rgb(24, 22, 100);
/* oklch */ color: oklch(26.9% 0.131 274.2);

Tailwind

colors: {
  custom: {
    50: '#635491',
    500: '#181664',
    950: '#000000',
  },
}

SCSS

$custom: #181664;
$custom-light: #635491;
$custom-dark: #000000;

JSON

{
  "hex": "#181664",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 100
  },
  "hsl": {
    "h": 241.538,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.26893,
    "c": 0.13101,
    "h": 274.2
  },
  "luminance": 0.01688
}

Semantic roles & 50–950 ramp

primary

#181664

secondary

#989B3B

accent

#E741E3

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181664

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

Preview Lab → · Contrast checker → · Palette generator →