#163F5C#163F5C

#163F5C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.068 H 243.0°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#163F5C
RGB	rgb(22, 63, 92)
HSL	hsl(205, 61%, 22%)
HSV	hsv(205, 76%, 36%)
CMYK	cmyk(76.1%, 31.5%, 0%, 63.9%)
CIE-LAB	lab(25.25, -3.33, -21.39)
CIE-LCH	lch(25.25, 21.65, 261.16°)
OKLab	oklab(35.38% -0.0308 -0.0605)
OKLCH	oklch(35.38% 0.068 243)
XYZ	xyz(4.0394, 4.4978, 10.7784)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F5C #5C3316

analogous

#165C56 #163F5C #161C5C

triadic

#163F5C #5C163F #3F5C16

tetradic

#163F5C #56165C #5C3316 #1C5C16

square

#163F5C #56165C #5C3316 #1C5C16

split-complementary

#163F5C #5C161C #5C5616

monochromatic

#061119 #0A1D2B #163F5C #22618D #2E83BF

Accessibility & contrast

On white

11.05

#163F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#163F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F5C

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F5C	#FFFFFF	#000000	##FFFFFF
##163F5C	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32405D

Deuteranopia (green-blind)

#28395B

Tritanopia (blue-blind)

#004649

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163f5c;
/* rgb */ color: rgb(22, 63, 92);
/* oklch */ color: oklch(35.4% 0.068 243.0);

Tailwind

colors: {
  custom: {
    50: '#5d738a',
    500: '#163f5c',
    950: '#000000',
  },
}

SCSS

$custom: #163f5c;
$custom-light: #5d738a;
$custom-dark: #000000;

JSON

{
  "hex": "#163f5c",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 92
  },
  "hsl": {
    "h": 204.857,
    "s": 61.404,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35384,
    "c": 0.06787,
    "h": 243
  },
  "luminance": 0.04498
}

Semantic roles & 50–950 ramp

primary

#163F5C

secondary

#935F3B

accent

#8643E5

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #163F5C

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

Preview Lab → · Contrast checker → · Palette generator →