#163663#163663

#163663 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.5% C 0.088 H 257.5°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#163663
RGB	rgb(22, 54, 99)
HSL	hsl(215, 64%, 24%)
HSV	hsv(215, 78%, 39%)
CMYK	cmyk(77.8%, 45.5%, 0%, 61.2%)
CIE-LAB	lab(22.69, 5.73, -30.01)
CIE-LCH	lch(22.69, 30.56, 280.80°)
OKLab	oklab(33.51% -0.0191 -0.0858)
OKLCH	oklch(33.51% 0.088 257.5)
XYZ	xyz(3.9014, 3.7093, 12.3123)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163663 #634316

analogous

#165C63 #163663 #1C1663

triadic

#163663 #631636 #366316

tetradic

#163663 #63165C #634316 #16631C

square

#163663 #63165C #634316 #16631C

split-complementary

#163663 #631C16 #5C6316

monochromatic

#060E19 #0B1B31 #163663 #215195 #2C6DC7

Accessibility & contrast

On white

12.06

#163663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#163663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163663

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163663	#FFFFFF	#000000	##FFFFFF
##163663	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203A65

Deuteranopia (green-blind)

#123362

Tritanopia (blue-blind)

#004147

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #163663;
/* rgb */ color: rgb(22, 54, 99);
/* oklch */ color: oklch(33.5% 0.088 257.5);

Tailwind

colors: {
  custom: {
    50: '#5f6c90',
    500: '#163663',
    950: '#000000',
  },
}

SCSS

$custom: #163663;
$custom-light: #5f6c90;
$custom-dark: #000000;

JSON

{
  "hex": "#163663",
  "rgb": {
    "r": 22,
    "g": 54,
    "b": 99
  },
  "hsl": {
    "h": 215.065,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3351,
    "c": 0.08791,
    "h": 257.5
  },
  "luminance": 0.0371
}

Semantic roles & 50–950 ramp

primary

#163663

secondary

#9A723B

accent

#A241E7

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #163663

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

Preview Lab → · Contrast checker → · Palette generator →