#163B5B#163B5B

#163B5B is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.070 H 247.7°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#163B5B
RGB	rgb(22, 59, 91)
HSL	hsl(208, 61%, 22%)
HSV	hsv(208, 76%, 36%)
CMYK	cmyk(75.8%, 35.2%, 0%, 64.3%)
CIE-LAB	lab(23.85, -1.05, -22.95)
CIE-LCH	lch(23.85, 22.97, 267.38°)
OKLab	oklab(34.26% -0.0267 -0.065)
OKLCH	oklch(34.26% 0.07 247.7)
XYZ	xyz(3.7825, 4.0534, 10.4785)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163B5B #5B3616

analogous

#165B59 #163B5B #16195B

triadic

#163B5B #5B163B #3B5B16

tetradic

#163B5B #59165B #5B3616 #195B16

square

#163B5B #59165B #5B3616 #195B16

split-complementary

#163B5B #5B1619 #5B5916

monochromatic

#061019 #0A1B2A #163B5B #225B8C #2E7BBE

Accessibility & contrast

On white

11.60

#163B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#163B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163B5B

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163B5B	#FFFFFF	#000000	##FFFFFF
##163B5B	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3C5C

Deuteranopia (green-blind)

#23365A

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #163b5b;
/* rgb */ color: rgb(22, 59, 91);
/* oklch */ color: oklch(34.3% 0.070 247.7);

Tailwind

colors: {
  custom: {
    50: '#5d7089',
    500: '#163b5b',
    950: '#000000',
  },
}

SCSS

$custom: #163b5b;
$custom-light: #5d7089;
$custom-dark: #000000;

JSON

{
  "hex": "#163b5b",
  "rgb": {
    "r": 22,
    "g": 59,
    "b": 91
  },
  "hsl": {
    "h": 207.826,
    "s": 61.062,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34257,
    "c": 0.0703,
    "h": 247.7
  },
  "luminance": 0.04054
}

Semantic roles & 50–950 ramp

primary

#163B5B

secondary

#92633B

accent

#8E44E4

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #163B5B

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

Preview Lab → · Contrast checker → · Palette generator →