#163C75#163C75

#163C75 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.107 H 258.7°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#163C75
RGB	rgb(22, 60, 117)
HSL	hsl(216, 68%, 27%)
HSV	hsv(216, 81%, 46%)
CMYK	cmyk(81.2%, 48.7%, 0%, 54.1%)
CIE-LAB	lab(25.82, 9.02, -36.55)
CIE-LCH	lch(25.82, 37.65, 283.86°)
OKLab	oklab(36.33% -0.021 -0.1049)
OKLCH	oklch(36.33% 0.107 258.7)
XYZ	xyz(5.1564, 4.6860, 17.4589)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C75 #754F16

analogous

#166C75 #163C75 #201675

triadic

#163C75 #75163C #3C7516

tetradic

#163C75 #75166C #754F16 #167520

square

#163C75 #75166C #754F16 #167520

split-complementary

#163C75 #752016 #6C7516

monochromatic

#050D1A #0C2241 #163C75 #2056A9 #2E72D8

Accessibility & contrast

On white

10.84

#163C75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#163C75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C75

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C75	#FFFFFF	#000000	##FFFFFF
##163C75	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4277

Deuteranopia (green-blind)

#043974

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #163c75;
/* rgb */ color: rgb(22, 60, 117);
/* oklch */ color: oklch(36.3% 0.107 258.7);

Tailwind

colors: {
  custom: {
    50: '#63719d',
    500: '#163c75',
    950: '#000000',
  },
}

SCSS

$custom: #163c75;
$custom-light: #63719d;
$custom-dark: #000000;

JSON

{
  "hex": "#163c75",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 117
  },
  "hsl": {
    "h": 216,
    "s": 68.345,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36328,
    "c": 0.10701,
    "h": 258.7
  },
  "luminance": 0.04687
}

Semantic roles & 50–950 ramp

primary

#163C75

secondary

#AB7E3C

accent

#A53DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163C75

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

Preview Lab → · Contrast checker → · Palette generator →