#163D66#163D66

#163D66 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.084 H 252.3°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#163D66
RGB	rgb(22, 61, 102)
HSL	hsl(211, 65%, 24%)
HSV	hsv(211, 78%, 40%)
CMYK	cmyk(78.4%, 40.2%, 0%, 60%)
CIE-LAB	lab(25.16, 2.08, -28.02)
CIE-LCH	lch(25.16, 28.09, 274.25°)
OKLab	oklab(35.5% -0.0255 -0.0798)
OKLCH	oklch(35.5% 0.084 252.3)
XYZ	xyz(4.3970, 4.4669, 13.1983)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163D66 #663F16

analogous

#166566 #163D66 #171666

triadic

#163D66 #66163D #3D6616

tetradic

#163D66 #661665 #663F16 #166617

square

#163D66 #661665 #663F16 #166617

split-complementary

#163D66 #661716 #656616

monochromatic

#050F19 #0B1F34 #163D66 #215B98 #2C79CB

Accessibility & contrast

On white

11.09

#163D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#163D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163D66

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163D66	#FFFFFF	#000000	##FFFFFF
##163D66	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4068

Deuteranopia (green-blind)

#1E3865

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163d66;
/* rgb */ color: rgb(22, 61, 102);
/* oklch */ color: oklch(35.5% 0.084 252.3);

Tailwind

colors: {
  custom: {
    50: '#607292',
    500: '#163d66',
    950: '#000000',
  },
}

SCSS

$custom: #163d66;
$custom-light: #607292;
$custom-dark: #000000;

JSON

{
  "hex": "#163d66",
  "rgb": {
    "r": 22,
    "g": 61,
    "b": 102
  },
  "hsl": {
    "h": 210.75,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35497,
    "c": 0.0838,
    "h": 252.3
  },
  "luminance": 0.04467
}

Semantic roles & 50–950 ramp

primary

#163D66

secondary

#9D6D3B

accent

#9640E8

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #163D66

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

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