#163A74#163A74

#163A74 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.108 H 259.6°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#163A74
RGB	rgb(22, 58, 116)
HSL	hsl(217, 68%, 27%)
HSV	hsv(217, 81%, 45%)
CMYK	cmyk(81%, 50%, 0%, 54.5%)
CIE-LAB	lab(25.13, 10.01, -37.03)
CIE-LCH	lch(25.13, 38.36, 285.13°)
OKLab	oklab(35.77% -0.0194 -0.1064)
OKLCH	oklch(35.77% 0.108 259.6)
XYZ	xyz(4.9952, 4.4571, 17.1166)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163A74 #745016

analogous

#166974 #163A74 #211674

triadic

#163A74 #74163A #3A7416

tetradic

#163A74 #741669 #745016 #167421

square

#163A74 #741669 #745016 #167421

split-complementary

#163A74 #742116 #697416

monochromatic

#050D1A #0C2041 #163A74 #2054A7 #2D6ED7

Accessibility & contrast

On white

11.10

#163A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#163A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163A74

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163A74	#FFFFFF	#000000	##FFFFFF
##163A74	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194076

Deuteranopia (green-blind)

#003873

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163a74;
/* rgb */ color: rgb(22, 58, 116);
/* oklch */ color: oklch(35.8% 0.108 259.6);

Tailwind

colors: {
  custom: {
    50: '#636f9c',
    500: '#163a74',
    950: '#000000',
  },
}

SCSS

$custom: #163a74;
$custom-light: #636f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#163a74",
  "rgb": {
    "r": 22,
    "g": 58,
    "b": 116
  },
  "hsl": {
    "h": 217.021,
    "s": 68.116,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35773,
    "c": 0.10814,
    "h": 259.6
  },
  "luminance": 0.04458
}

Semantic roles & 50–950 ramp

primary

#163A74

secondary

#AA803C

accent

#A83DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163A74

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

Preview Lab → · Contrast checker → · Palette generator →