#163F55#163F55

#163F55 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.059 H 235.6°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#163F55
RGB	rgb(22, 63, 85)
HSL	hsl(201, 59%, 21%)
HSV	hsv(201, 74%, 33%)
CMYK	cmyk(74.1%, 25.9%, 0%, 66.7%)
CIE-LAB	lab(24.89, -6.09, -17.39)
CIE-LCH	lch(24.89, 18.42, 250.70°)
OKLab	oklab(34.98% -0.0335 -0.0489)
OKLCH	oklch(34.98% 0.059 235.6)
XYZ	xyz(3.7474, 4.3811, 9.2407)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F55 #552C16

analogous

#16554B #163F55 #161F55

triadic

#163F55 #55163F #3F5516

tetradic

#163F55 #4B1655 #552C16 #1F5516

square

#163F55 #4B1655 #552C16 #1F5516

split-complementary

#163F55 #55161F #554B16

monochromatic

#061218 #091B24 #163F55 #236386 #2F87B6

Accessibility & contrast

On white

11.19

#163F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#163F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F55

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F55	#FFFFFF	#000000	##FFFFFF
##163F55	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343F56

Deuteranopia (green-blind)

#2C3855

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #163f55;
/* rgb */ color: rgb(22, 63, 85);
/* oklch */ color: oklch(35.0% 0.059 235.6);

Tailwind

colors: {
  custom: {
    50: '#5c7485',
    500: '#163f55',
    950: '#000000',
  },
}

SCSS

$custom: #163f55;
$custom-light: #5c7485;
$custom-dark: #000000;

JSON

{
  "hex": "#163f55",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 200.952,
    "s": 58.879,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3498,
    "c": 0.05924,
    "h": 235.6
  },
  "luminance": 0.04381
}

Semantic roles & 50–950 ramp

primary

#163F55

secondary

#8C573A

accent

#7C46E2

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #163F55

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

Preview Lab → · Contrast checker → · Palette generator →