#163780#163780

#163780 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.1% C 0.130 H 263.1°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#163780
RGB	rgb(22, 55, 128)
HSL	hsl(221, 71%, 29%)
HSV	hsv(221, 83%, 50%)
CMYK	cmyk(82.8%, 57%, 0%, 49.8%)
CIE-LAB	lab(25.14, 17.14, -44.59)
CIE-LCH	lch(25.14, 47.77, 291.03°)
OKLab	oklab(36.07% -0.0155 -0.1287)
OKLCH	oklch(36.07% 0.13 263.1)
XYZ	xyz(5.5920, 4.4608, 20.9842)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163780 #805F16

analogous

#166C80 #163780 #2A1680

triadic

#163780 #801637 #378016

tetradic

#163780 #80166C #805F16 #16802A

square

#163780 #80166C #805F16 #16802A

split-complementary

#163780 #802A16 #6C8016

monochromatic

#040B1A #0D214C #163780 #1F4DB4 #3469DC

Accessibility & contrast

On white

11.10

#163780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#163780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163780

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163780	#FFFFFF	#000000	##FFFFFF
##163780	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004183

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #163780;
/* rgb */ color: rgb(22, 55, 128);
/* oklch */ color: oklch(36.1% 0.130 263.1);

Tailwind

colors: {
  custom: {
    50: '#666da5',
    500: '#163780',
    950: '#000000',
  },
}

SCSS

$custom: #163780;
$custom-light: #666da5;
$custom-dark: #000000;

JSON

{
  "hex": "#163780",
  "rgb": {
    "r": 22,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 221.321,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36072,
    "c": 0.12962,
    "h": 263.1
  },
  "luminance": 0.04461
}

Semantic roles & 50–950 ramp

primary

#163780

secondary

#B58F3D

accent

#B63AED

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #163780

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

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