#18166D#18166D

#18166D is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.143 H 273.1°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#18166D
RGB	rgb(24, 22, 109)
HSL	hsl(241, 66%, 26%)
HSV	hsv(241, 80%, 43%)
CMYK	cmyk(78%, 79.8%, 0%, 57.3%)
CIE-LAB	lab(14.80, 32.36, -49.37)
CIE-LCH	lch(14.80, 59.03, 303.24°)
OKLab	oklab(27.94% 0.0077 -0.1429)
OKLCH	oklch(27.94% 0.143 273.1)
XYZ	xyz(3.4230, 1.8718, 14.6459)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18166D #6B6D16

analogous

#163F6D #18166D #43166D

triadic

#18166D #6D1816 #166D18

tetradic

#18166D #6D163F #6B6D16 #166D43

square

#18166D #6D163F #6B6D16 #166D43

split-complementary

#18166D #6D4316 #3F6D16

monochromatic

#060519 #0D0C3A #18166D #2320A0 #2E2BD3

Accessibility & contrast

On white

15.28

#18166D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#18166D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18166D

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18166D	#FFFFFF	#000000	##FFFFFF
##18166D	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296F

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18166d;
/* rgb */ color: rgb(24, 22, 109);
/* oklch */ color: oklch(27.9% 0.143 273.1);

Tailwind

colors: {
  custom: {
    50: '#655598',
    500: '#18166d',
    950: '#000000',
  },
}

SCSS

$custom: #18166d;
$custom-light: #655598;
$custom-dark: #000000;

JSON

{
  "hex": "#18166d",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 109
  },
  "hsl": {
    "h": 241.379,
    "s": 66.412,
    "l": 25.686
  },
  "oklch": {
    "l": 0.27942,
    "c": 0.14308,
    "h": 273.1
  },
  "luminance": 0.01872
}

Semantic roles & 50–950 ramp

primary

#18166D

secondary

#A1A33C

accent

#E93EE5

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #18166D

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

Preview Lab → · Contrast checker → · Palette generator →