#163658#163658

#163658 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.071 H 252.1°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#163658
RGB	rgb(22, 54, 88)
HSL	hsl(211, 60%, 22%)
HSV	hsv(211, 75%, 35%)
CMYK	cmyk(75%, 38.6%, 0%, 65.5%)
CIE-LAB	lab(21.99, 1.16, -23.91)
CIE-LCH	lch(21.99, 23.94, 272.79°)
OKLab	oklab(32.74% -0.022 -0.0679)
OKLCH	oklch(32.74% 0.071 252.1)
XYZ	xyz(3.4108, 3.5131, 9.7290)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163658 #583816

analogous

#165758 #163658 #171658

triadic

#163658 #581636 #365816

tetradic

#163658 #581657 #583816 #165817

square

#163658 #581657 #583816 #165817

split-complementary

#163658 #581716 #575816

monochromatic

#060F18 #0A1827 #163658 #225489 #2E72BA

Accessibility & contrast

On white

12.33

#163658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#163658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163658

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163658	#FFFFFF	#000000	##FFFFFF
##163658	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273859

Deuteranopia (green-blind)

#1D3257

Tritanopia (blue-blind)

#003E42

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #163658;
/* rgb */ color: rgb(22, 54, 88);
/* oklch */ color: oklch(32.7% 0.071 252.1);

Tailwind

colors: {
  custom: {
    50: '#5c6c87',
    500: '#163658',
    950: '#000000',
  },
}

SCSS

$custom: #163658;
$custom-light: #5c6c87;
$custom-dark: #000000;

JSON

{
  "hex": "#163658",
  "rgb": {
    "r": 22,
    "g": 54,
    "b": 88
  },
  "hsl": {
    "h": 210.909,
    "s": 60,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32744,
    "c": 0.0714,
    "h": 252.1
  },
  "luminance": 0.03513
}

Semantic roles & 50–950 ramp

primary

#163658

secondary

#8F663B

accent

#9645E3

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #163658

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

Preview Lab → · Contrast checker → · Palette generator →