#18166F#18166F

#18166F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.146 H 272.9°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#18166F
RGB	rgb(24, 22, 111)
HSL	hsl(241, 67%, 26%)
HSV	hsv(241, 80%, 44%)
CMYK	cmyk(78.4%, 80.2%, 0%, 56.5%)
CIE-LAB	lab(15.04, 33.07, -50.28)
CIE-LCH	lch(15.04, 60.19, 303.33°)
OKLab	oklab(28.18% 0.0073 -0.1455)
OKLCH	oklch(28.18% 0.146 272.9)
XYZ	xyz(3.5319, 1.9153, 15.2194)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18166F #6D6F16

analogous

#16406F #18166F #44166F

triadic

#18166F #6F1816 #166F18

tetradic

#18166F #6F1640 #6D6F16 #166F44

square

#18166F #6F1640 #6D6F16 #166F44

split-complementary

#18166F #6F4416 #406F16

monochromatic

#06051A #0D0C3C #18166F #2320A2 #2E2BD5

Accessibility & contrast

On white

15.18

#18166F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18166F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18166F

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18166F	#FFFFFF	#000000	##FFFFFF
##18166F	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00216D

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #18166f;
/* rgb */ color: rgb(24, 22, 111);
/* oklch */ color: oklch(28.2% 0.146 272.9);

Tailwind

colors: {
  custom: {
    50: '#665599',
    500: '#18166f',
    950: '#000000',
  },
}

SCSS

$custom: #18166f;
$custom-light: #665599;
$custom-dark: #000000;

JSON

{
  "hex": "#18166f",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 111
  },
  "hsl": {
    "h": 241.348,
    "s": 66.917,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28179,
    "c": 0.14569,
    "h": 272.9
  },
  "luminance": 0.01916
}

Semantic roles & 50–950 ramp

primary

#18166F

secondary

#A3A53C

accent

#EA3EE6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #18166F

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

Preview Lab → · Contrast checker → · Palette generator →