#163361#163361

#163361 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.6% C 0.089 H 259.3°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#163361
RGB	rgb(22, 51, 97)
HSL	hsl(217, 63%, 23%)
HSV	hsv(217, 77%, 38%)
CMYK	cmyk(77.3%, 47.4%, 0%, 62%)
CIE-LAB	lab(21.58, 7.03, -30.47)
CIE-LCH	lch(21.58, 31.27, 282.98°)
OKLab	oklab(32.61% -0.0165 -0.0872)
OKLCH	oklch(32.61% 0.089 259.3)
XYZ	xyz(3.6716, 3.4009, 11.7699)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163361 #614416

analogous

#165861 #163361 #1E1661

triadic

#163361 #611633 #336116

tetradic

#163361 #611658 #614416 #16611E

square

#163361 #611658 #614416 #16611E

split-complementary

#163361 #611E16 #586116

monochromatic

#060D19 #0B192F #163361 #214D93 #2D67C5

Accessibility & contrast

On white

12.50

#163361 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#163361 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163361

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163361	#FFFFFF	#000000	##FFFFFF
##163361	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3763

Deuteranopia (green-blind)

#0D3160

Tritanopia (blue-blind)

#003E45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #163361;
/* rgb */ color: rgb(22, 51, 97);
/* oklch */ color: oklch(32.6% 0.089 259.3);

Tailwind

colors: {
  custom: {
    50: '#5f6a8e',
    500: '#163361',
    950: '#000000',
  },
}

SCSS

$custom: #163361;
$custom-light: #5f6a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#163361",
  "rgb": {
    "r": 22,
    "g": 51,
    "b": 97
  },
  "hsl": {
    "h": 216.8,
    "s": 63.025,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32613,
    "c": 0.08878,
    "h": 259.3
  },
  "luminance": 0.03401
}

Semantic roles & 50–950 ramp

primary

#163361

secondary

#98743B

accent

#A742E6

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #163361

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

Preview Lab → · Contrast checker → · Palette generator →