#163A75#163A75

#163A75 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.110 H 259.9°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#163A75
RGB	rgb(22, 58, 117)
HSL	hsl(217, 68%, 27%)
HSV	hsv(217, 81%, 46%)
CMYK	cmyk(81.2%, 50.4%, 0%, 54.1%)
CIE-LAB	lab(25.20, 10.43, -37.55)
CIE-LCH	lch(25.20, 38.97, 285.52°)
OKLab	oklab(35.85% -0.0193 -0.1079)
OKLCH	oklch(35.85% 0.11 259.9)
XYZ	xyz(5.0537, 4.4805, 17.4246)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A75 #755116

analogous

#166A75 #163A75 #221675

triadic

#163A75 #75163A #3A7516

tetradic

#163A75 #75166A #755116 #167522

square

#163A75 #75166A #755116 #167522

split-complementary

#163A75 #752216 #6A7516

monochromatic

#050D1A #0C2041 #163A75 #2054A9 #2E6ED8

Accessibility & contrast

On white

11.07

#163A75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#163A75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A75

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A75	#FFFFFF	#000000	##FFFFFF
##163A75	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184077

Deuteranopia (green-blind)

#003874

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163a75;
/* rgb */ color: rgb(22, 58, 117);
/* oklch */ color: oklch(35.9% 0.110 259.9);

Tailwind

colors: {
  custom: {
    50: '#636f9d',
    500: '#163a75',
    950: '#000000',
  },
}

SCSS

$custom: #163a75;
$custom-light: #636f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#163a75",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 117
  },
  "hsl": {
    "h": 217.263,
    "s": 68.345,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35851,
    "c": 0.10962,
    "h": 259.9
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#163A75

secondary

#AB813C

accent

#A93DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163A75

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

Preview Lab → · Contrast checker → · Palette generator →