#163F63#163F63

#163F63 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.077 H 248.4°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#163F63
RGB	rgb(22, 63, 99)
HSL	hsl(208, 64%, 24%)
HSV	hsv(208, 78%, 39%)
CMYK	cmyk(77.8%, 36.4%, 0%, 61.2%)
CIE-LAB	lab(25.64, -0.51, -25.32)
CIE-LCH	lch(25.64, 25.32, 268.86°)
OKLab	oklab(35.82% -0.0285 -0.0719)
OKLCH	oklch(35.82% 0.077 248.4)
XYZ	xyz(4.3597, 4.6259, 12.4651)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F63 #633A16

analogous

#166360 #163F63 #161863

triadic

#163F63 #63163F #3F6316

tetradic

#163F63 #601663 #633A16 #186316

square

#163F63 #601663 #633A16 #186316

split-complementary

#163F63 #631618 #636016

monochromatic

#061019 #0B1F31 #163F63 #215F95 #2C7FC7

Accessibility & contrast

On white

10.91

#163F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#163F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F63

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F63	#FFFFFF	#000000	##FFFFFF
##163F63	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4165

Deuteranopia (green-blind)

#243962

Tritanopia (blue-blind)

#00484C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163f63;
/* rgb */ color: rgb(22, 63, 99);
/* oklch */ color: oklch(35.8% 0.077 248.4);

Tailwind

colors: {
  custom: {
    50: '#5f738f',
    500: '#163f63',
    950: '#000000',
  },
}

SCSS

$custom: #163f63;
$custom-light: #5f738f;
$custom-dark: #000000;

JSON

{
  "hex": "#163f63",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 99
  },
  "hsl": {
    "h": 208.052,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35817,
    "c": 0.07734,
    "h": 248.4
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary

#163F63

secondary

#9A673B

accent

#8F41E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #163F63

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

Preview Lab → · Contrast checker → · Palette generator →