#163C63#163C63

#163C63 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.081 H 251.7°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#163C63
RGB	rgb(22, 60, 99)
HSL	hsl(210, 64%, 24%)
HSV	hsv(210, 78%, 39%)
CMYK	cmyk(77.8%, 39.4%, 0%, 61.2%)
CIE-LAB	lab(24.65, 1.53, -26.89)
CIE-LCH	lch(24.65, 26.93, 273.27°)
OKLab	oklab(35.04% -0.0253 -0.0766)
OKLCH	oklch(35.04% 0.081 251.7)
XYZ	xyz(4.1980, 4.3027, 12.4112)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C63 #633D16

analogous

#166263 #163C63 #171663

triadic

#163C63 #63163C #3C6316

tetradic

#163C63 #631662 #633D16 #166317

square

#163C63 #631662 #633D16 #166317

split-complementary

#163C63 #631716 #626316

monochromatic

#060F19 #0B1E31 #163C63 #215A95 #2C79C7

Accessibility & contrast

On white

11.29

#163C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#163C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C63

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C63	#FFFFFF	#000000	##FFFFFF
##163C63	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3E65

Deuteranopia (green-blind)

#1F3762

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #163c63;
/* rgb */ color: rgb(22, 60, 99);
/* oklch */ color: oklch(35.0% 0.081 251.7);

Tailwind

colors: {
  custom: {
    50: '#5f718f',
    500: '#163c63',
    950: '#000000',
  },
}

SCSS

$custom: #163c63;
$custom-light: #5f718f;
$custom-dark: #000000;

JSON

{
  "hex": "#163c63",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 99
  },
  "hsl": {
    "h": 210.39,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35038,
    "c": 0.08062,
    "h": 251.7
  },
  "luminance": 0.04303
}

Semantic roles & 50–950 ramp

primary

#163C63

secondary

#9A6B3B

accent

#9541E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #163C63

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

Preview Lab → · Contrast checker → · Palette generator →