#16178B#16178B

#16178B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.180 H 269.5°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#16178B
RGB	rgb(22, 23, 139)
HSL	hsl(239, 73%, 32%)
HSV	hsv(239, 84%, 55%)
CMYK	cmyk(84.2%, 83.5%, 0%, 45.5%)
CIE-LAB	lab(18.57, 41.96, -62.30)
CIE-LCH	lch(18.57, 75.11, 303.97°)
OKLab	oklab(31.62% -0.0015 -0.1804)
OKLCH	oklch(31.62% 0.18 269.5)
XYZ	xyz(5.2959, 2.6468, 24.6529)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16178B #8B8A16

analogous

#16528B #16178B #50168B

triadic

#16178B #8B1617 #178B16

tetradic

#16178B #8B1652 #8B8A16 #168B50

square

#16178B #8B1652 #8B8A16 #168B50

split-complementary

#16178B #8B5016 #528B16

monochromatic

#050621 #0E0E56 #16178B #1E20C0 #3B3DE0

Accessibility & contrast

On white

13.73

#16178B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#16178B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16178B

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16178B	#FFFFFF	#000000	##FFFFFF
##16178B	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338E

Deuteranopia (green-blind)

#002789

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #16178b;
/* rgb */ color: rgb(22, 23, 139);
/* oklch */ color: oklch(31.6% 0.180 269.5);

Tailwind

colors: {
  custom: {
    50: '#6d57ae',
    500: '#16178b',
    950: '#000000',
  },
}

SCSS

$custom: #16178b;
$custom-light: #6d57ae;
$custom-dark: #000000;

JSON

{
  "hex": "#16178b",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 139
  },
  "hsl": {
    "h": 239.487,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31624,
    "c": 0.18039,
    "h": 269.5
  },
  "luminance": 0.02647
}

Semantic roles & 50–950 ramp

primary

#16178B

secondary

#BFBE3E

accent

#EE38EF

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080310

muted

#7B787F

Preview Lab

Preview with #16178B

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

Preview Lab → · Contrast checker → · Palette generator →