#163A66#163A66

#163A66 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.087 H 255.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#163A66
RGB	rgb(22, 58, 102)
HSL	hsl(213, 65%, 24%)
HSV	hsv(213, 78%, 40%)
CMYK	cmyk(78.4%, 43.1%, 0%, 60%)
CIE-LAB	lab(24.18, 4.16, -29.58)
CIE-LCH	lch(24.18, 29.87, 278.01°)
OKLab	oklab(34.73% -0.0224 -0.0845)
OKLCH	oklch(34.73% 0.087 255.1)
XYZ	xyz(4.2413, 4.1555, 13.1464)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A66 #664216

analogous

#166266 #163A66 #1A1666

triadic

#163A66 #66163A #3A6616

tetradic

#163A66 #661662 #664216 #16661A

square

#163A66 #661662 #664216 #16661A

split-complementary

#163A66 #661A16 #626616

monochromatic

#050E19 #0B1D34 #163A66 #215798 #2C73CB

Accessibility & contrast

On white

11.47

#163A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#163A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A66

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A66	#FFFFFF	#000000	##FFFFFF
##163A66	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253D68

Deuteranopia (green-blind)

#183665

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #163a66;
/* rgb */ color: rgb(22, 58, 102);
/* oklch */ color: oklch(34.7% 0.087 255.1);

Tailwind

colors: {
  custom: {
    50: '#606f92',
    500: '#163a66',
    950: '#000000',
  },
}

SCSS

$custom: #163a66;
$custom-light: #606f92;
$custom-dark: #000000;

JSON

{
  "hex": "#163a66",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 102
  },
  "hsl": {
    "h": 213,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34733,
    "c": 0.08738,
    "h": 255.1
  },
  "luminance": 0.04156
}

Semantic roles & 50–950 ramp

primary

#163A66

secondary

#9D713B

accent

#9C40E8

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #163A66

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

Preview Lab → · Contrast checker → · Palette generator →