#163F5B#163F5B

#163F5B is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.067 H 242.1°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#163F5B
RGB	rgb(22, 63, 91)
HSL	hsl(204, 61%, 22%)
HSV	hsv(204, 76%, 36%)
CMYK	cmyk(75.8%, 30.8%, 0%, 64.3%)
CIE-LAB	lab(25.20, -3.73, -20.82)
CIE-LCH	lch(25.20, 21.16, 259.85°)
OKLab	oklab(35.33% -0.0312 -0.0588)
OKLCH	oklch(35.33% 0.067 242.1)
XYZ	xyz(3.9960, 4.4805, 10.5497)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F5B #5B3216

analogous

#165B55 #163F5B #161C5B

triadic

#163F5B #5B163F #3F5B16

tetradic

#163F5B #55165B #5B3216 #1C5B16

square

#163F5B #55165B #5B3216 #1C5B16

split-complementary

#163F5B #5B161C #5B5516

monochromatic

#061119 #0A1D2A #163F5B #22618C #2E83BE

Accessibility & contrast

On white

11.07

#163F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#163F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F5B

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F5B	#FFFFFF	#000000	##FFFFFF
##163F5B	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323F5C

Deuteranopia (green-blind)

#29395A

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163f5b;
/* rgb */ color: rgb(22, 63, 91);
/* oklch */ color: oklch(35.3% 0.067 242.1);

Tailwind

colors: {
  custom: {
    50: '#5d7389',
    500: '#163f5b',
    950: '#000000',
  },
}

SCSS

$custom: #163f5b;
$custom-light: #5d7389;
$custom-dark: #000000;

JSON

{
  "hex": "#163f5b",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 91
  },
  "hsl": {
    "h": 204.348,
    "s": 61.062,
    "l": 22.157
  },
  "oklch": {
    "l": 0.35325,
    "c": 0.06657,
    "h": 242.1
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#163F5B

secondary

#925E3B

accent

#8544E4

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #163F5B

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

Preview Lab → · Contrast checker → · Palette generator →