#163973#163973

#163973 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.5% C 0.108 H 260.0°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#163973
RGB	rgb(22, 57, 115)
HSL	hsl(217, 68%, 27%)
HSV	hsv(217, 81%, 45%)
CMYK	cmyk(80.9%, 50.4%, 0%, 54.9%)
CIE-LAB	lab(24.75, 10.30, -37.01)
CIE-LCH	lch(24.75, 38.41, 285.55°)
OKLab	oklab(35.46% -0.0187 -0.1063)
OKLCH	oklch(35.46% 0.108 260)
XYZ	xyz(4.8874, 4.3341, 16.7953)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163973 #735016

analogous

#166873 #163973 #211673

triadic

#163973 #731639 #397316

tetradic

#163973 #731668 #735016 #167321

square

#163973 #731668 #735016 #167321

split-complementary

#163973 #732116 #687316

monochromatic

#050D1A #0C2040 #163973 #2052A6 #2D6DD7

Accessibility & contrast

On white

11.25

#163973 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#163973 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163973

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163973	#FFFFFF	#000000	##FFFFFF
##163973	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183F75

Deuteranopia (green-blind)

#003772

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #163973;
/* rgb */ color: rgb(22, 57, 115);
/* oklch */ color: oklch(35.5% 0.108 260.0);

Tailwind

colors: {
  custom: {
    50: '#636e9c',
    500: '#163973',
    950: '#000000',
  },
}

SCSS

$custom: #163973;
$custom-light: #636e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#163973",
  "rgb": {
    "r": 22,
    "g": 57,
    "b": 115
  },
  "hsl": {
    "h": 217.419,
    "s": 67.883,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35456,
    "c": 0.10797,
    "h": 260
  },
  "luminance": 0.04335
}

Semantic roles & 50–950 ramp

primary

#163973

secondary

#A9803C

accent

#A93DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163973

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

Preview Lab → · Contrast checker → · Palette generator →