#163C78#163C78

#163C78 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.111 H 259.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#163C78
RGB	rgb(22, 60, 120)
HSL	hsl(217, 69%, 28%)
HSV	hsv(217, 82%, 47%)
CMYK	cmyk(81.7%, 50%, 0%, 52.9%)
CIE-LAB	lab(26.03, 10.27, -38.11)
CIE-LCH	lch(26.03, 39.47, 285.09°)
OKLab	oklab(36.56% -0.0205 -0.1095)
OKLCH	oklch(36.56% 0.111 259.4)
XYZ	xyz(5.3357, 4.7577, 18.4028)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163C78 #785216

analogous

#166D78 #163C78 #211678

triadic

#163C78 #78163C #3C7816

tetradic

#163C78 #78166D #785216 #167821

square

#163C78 #78166D #785216 #167821

split-complementary

#163C78 #782116 #6D7816

monochromatic

#050D1A #0D2244 #163C78 #1F56AC #2F71D9

Accessibility & contrast

On white

10.76

#163C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#163C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163C78

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163C78	#FFFFFF	#000000	##FFFFFF
##163C78	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A427A

Deuteranopia (green-blind)

#003977

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163c78;
/* rgb */ color: rgb(22, 60, 120);
/* oklch */ color: oklch(36.6% 0.111 259.4);

Tailwind

colors: {
  custom: {
    50: '#64719f',
    500: '#163c78',
    950: '#000000',
  },
}

SCSS

$custom: #163c78;
$custom-light: #64719f;
$custom-dark: #000000;

JSON

{
  "hex": "#163c78",
  "rgb": {
    "r": 22,
    "g": 60,
    "b": 120
  },
  "hsl": {
    "h": 216.735,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36559,
    "c": 0.11141,
    "h": 259.4
  },
  "luminance": 0.04758
}

Semantic roles & 50–950 ramp

primary

#163C78

secondary

#AD823C

accent

#A83CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #163C78

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

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