#163366#163366

#163366 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.0% C 0.096 H 260.8°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#163366
RGB	rgb(22, 51, 102)
HSL	hsl(218, 65%, 24%)
HSV	hsv(218, 78%, 40%)
CMYK	cmyk(78.4%, 50%, 0%, 60%)
CIE-LAB	lab(21.93, 9.13, -33.17)
CIE-LCH	lch(21.93, 34.40, 285.38°)
OKLab	oklab(33% -0.0155 -0.0952)
OKLCH	oklch(33% 0.096 260.8)
XYZ	xyz(3.9121, 3.4971, 13.0366)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163366 #664916

analogous

#165B66 #163366 #211666

triadic

#163366 #661633 #336616

tetradic

#163366 #66165B #664916 #166621

square

#163366 #66165B #664916 #166621

split-complementary

#163366 #662116 #5B6616

monochromatic

#050D19 #0B1A34 #163366 #214C98 #2C65CB

Accessibility & contrast

On white

12.36

#163366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#163366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163366

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163366	#FFFFFF	#000000	##FFFFFF
##163366	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173868

Deuteranopia (green-blind)

#043165

Tritanopia (blue-blind)

#003F47

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #163366;
/* rgb */ color: rgb(22, 51, 102);
/* oklch */ color: oklch(33.0% 0.096 260.8);

Tailwind

colors: {
  custom: {
    50: '#606a92',
    500: '#163366',
    950: '#000000',
  },
}

SCSS

$custom: #163366;
$custom-light: #606a92;
$custom-dark: #000000;

JSON

{
  "hex": "#163366",
  "rgb": {
    "r": 22,
    "g": 51,
    "b": 102
  },
  "hsl": {
    "h": 218.25,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.32997,
    "c": 0.09642,
    "h": 260.8
  },
  "luminance": 0.03498
}

Semantic roles & 50–950 ramp

primary

#163366

secondary

#9D793B

accent

#AB40E8

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #163366

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

Preview Lab → · Contrast checker → · Palette generator →