#163C74#163C74

#163C74 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.106 H 258.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#163C74
RGB	rgb(22, 60, 116)
HSL	hsl(216, 68%, 27%)
HSV	hsv(216, 81%, 45%)
CMYK	cmyk(81%, 48.3%, 0%, 54.5%)
CIE-LAB	lab(25.75, 8.60, -36.03)
CIE-LCH	lch(25.75, 37.04, 283.43°)
OKLab	oklab(36.25% -0.0212 -0.1034)
OKLCH	oklch(36.25% 0.106 258.4)
XYZ	xyz(5.0980, 4.6627, 17.1509)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C74 #744E16

analogous

#166B74 #163C74 #1F1674

triadic

#163C74 #74163C #3C7416

tetradic

#163C74 #74166B #744E16 #16741F

square

#163C74 #74166B #744E16 #16741F

split-complementary

#163C74 #741F16 #6B7416

monochromatic

#050D1A #0C2141 #163C74 #2057A7 #2D72D7

Accessibility & contrast

On white

10.87

#163C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#163C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C74

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C74	#FFFFFF	#000000	##FFFFFF
##163C74	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4276

Deuteranopia (green-blind)

#073973

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163c74;
/* rgb */ color: rgb(22, 60, 116);
/* oklch */ color: oklch(36.3% 0.106 258.4);

Tailwind

colors: {
  custom: {
    50: '#63719c',
    500: '#163c74',
    950: '#000000',
  },
}

SCSS

$custom: #163c74;
$custom-light: #63719c;
$custom-dark: #000000;

JSON

{
  "hex": "#163c74",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 116
  },
  "hsl": {
    "h": 215.745,
    "s": 68.116,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36252,
    "c": 0.10555,
    "h": 258.4
  },
  "luminance": 0.04663
}

Semantic roles & 50–950 ramp

primary

#163C74

secondary

#AA7D3C

accent

#A53DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163C74

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

Preview Lab → · Contrast checker → · Palette generator →