#18166A#18166A

#18166A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.139 H 273.4°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#18166A
RGB	rgb(24, 22, 106)
HSL	hsl(241, 66%, 25%)
HSV	hsv(241, 79%, 42%)
CMYK	cmyk(77.4%, 79.2%, 0%, 58.4%)
CIE-LAB	lab(14.45, 31.29, -47.99)
CIE-LCH	lch(14.45, 57.29, 303.10°)
OKLab	oklab(27.59% 0.0084 -0.1388)
OKLCH	oklch(27.59% 0.139 273.4)
XYZ	xyz(3.2642, 1.8083, 13.8099)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18166A #686A16

analogous

#163E6A #18166A #42166A

triadic

#18166A #6A1816 #166A18

tetradic

#18166A #6A163E #686A16 #166A42

square

#18166A #6A163E #686A16 #166A42

split-complementary

#18166A #6A4216 #3E6A16

monochromatic

#060519 #0D0B37 #18166A #23219D #2F2BCF

Accessibility & contrast

On white

15.42

#18166A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#18166A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18166A

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18166A	#FFFFFF	#000000	##FFFFFF
##18166A	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#002069

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18166a;
/* rgb */ color: rgb(24, 22, 106);
/* oklch */ color: oklch(27.6% 0.139 273.4);

Tailwind

colors: {
  custom: {
    50: '#645496',
    500: '#18166a',
    950: '#000000',
  },
}

SCSS

$custom: #18166a;
$custom-light: #645496;
$custom-dark: #000000;

JSON

{
  "hex": "#18166a",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 106
  },
  "hsl": {
    "h": 241.429,
    "s": 65.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27589,
    "c": 0.1391,
    "h": 273.4
  },
  "luminance": 0.01809
}

Semantic roles & 50–950 ramp

primary

#18166A

secondary

#9EA03B

accent

#E93FE5

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #18166A

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

Preview Lab → · Contrast checker → · Palette generator →