#18166E#18166E

#18166E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.144 H 273.0°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#18166E
RGB	rgb(24, 22, 110)
HSL	hsl(241, 67%, 26%)
HSV	hsv(241, 80%, 43%)
CMYK	cmyk(78.2%, 80%, 0%, 56.9%)
CIE-LAB	lab(14.92, 32.72, -49.83)
CIE-LCH	lch(14.92, 59.61, 303.29°)
OKLab	oklab(28.06% 0.0075 -0.1442)
OKLCH	oklch(28.06% 0.144 273)
XYZ	xyz(3.4771, 1.8934, 14.9310)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18166E #6C6E16

analogous

#16406E #18166E #44166E

triadic

#18166E #6E1816 #166E18

tetradic

#18166E #6E1640 #6C6E16 #166E44

square

#18166E #6E1640 #6C6E16 #166E44

split-complementary

#18166E #6E4416 #406E16

monochromatic

#06051A #0D0C3B #18166E #2320A1 #2E2AD4

Accessibility & contrast

On white

15.23

#18166E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18166E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18166E

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18166E	#FFFFFF	#000000	##FFFFFF
##18166E	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A71

Deuteranopia (green-blind)

#00216C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18166e;
/* rgb */ color: rgb(24, 22, 110);
/* oklch */ color: oklch(28.1% 0.144 273.0);

Tailwind

colors: {
  custom: {
    50: '#655599',
    500: '#18166e',
    950: '#000000',
  },
}

SCSS

$custom: #18166e;
$custom-light: #655599;
$custom-dark: #000000;

JSON

{
  "hex": "#18166e",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 110
  },
  "hsl": {
    "h": 241.364,
    "s": 66.667,
    "l": 25.882
  },
  "oklch": {
    "l": 0.2806,
    "c": 0.14438,
    "h": 273
  },
  "luminance": 0.01894
}

Semantic roles & 50–950 ramp

primary

#18166E

secondary

#A2A43C

accent

#EA3EE6

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #18166E

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

Preview Lab → · Contrast checker → · Palette generator →