#163978#163978

#163978 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.115 H 261.0°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#163978
RGB	rgb(22, 57, 120)
HSL	hsl(219, 69%, 28%)
HSV	hsv(219, 82%, 47%)
CMYK	cmyk(81.7%, 52.5%, 0%, 52.9%)
CIE-LAB	lab(25.11, 12.39, -39.59)
CIE-LCH	lch(25.11, 41.48, 287.38°)
OKLab	oklab(35.85% -0.018 -0.1139)
OKLCH	oklch(35.85% 0.115 261)
XYZ	xyz(5.1829, 4.4523, 18.3519)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163978 #785516

analogous

#166A78 #163978 #241678

triadic

#163978 #781639 #397816

tetradic

#163978 #78166A #785516 #167824

square

#163978 #78166A #785516 #167824

split-complementary

#163978 #782416 #6A7816

monochromatic

#050C1A #0D2044 #163978 #1F52AC #2F6CD9

Accessibility & contrast

On white

11.11

#163978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#163978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163978

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163978	#FFFFFF	#000000	##FFFFFF
##163978	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11407A

Deuteranopia (green-blind)

#003777

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163978;
/* rgb */ color: rgb(22, 57, 120);
/* oklch */ color: oklch(35.9% 0.115 261.0);

Tailwind

colors: {
  custom: {
    50: '#646e9f',
    500: '#163978',
    950: '#000000',
  },
}

SCSS

$custom: #163978;
$custom-light: #646e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#163978",
  "rgb": {
    "r": 22,
    "g": 57,
    "b": 120
  },
  "hsl": {
    "h": 218.571,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35855,
    "c": 0.11535,
    "h": 261
  },
  "luminance": 0.04453
}

Semantic roles & 50–950 ramp

primary

#163978

secondary

#AD853C

accent

#AD3CEC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163978

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

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