#16178C#16178C

#16178C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.182 H 269.5°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#16178C
RGB	rgb(22, 23, 140)
HSL	hsl(239, 73%, 32%)
HSV	hsv(239, 84%, 55%)
CMYK	cmyk(84.3%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(18.70, 42.29, -62.71)
CIE-LCH	lch(18.70, 75.64, 304.00°)
OKLab	oklab(31.75% -0.0017 -0.1816)
OKLCH	oklch(31.75% 0.182 269.5)
XYZ	xyz(5.3693, 2.6762, 25.0394)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16178C #8C8B16

analogous

#16528C #16178C #50168C

triadic

#16178C #8C1617 #178C16

tetradic

#16178C #8C1652 #8C8B16 #168C50

square

#16178C #8C1652 #8C8B16 #168C50

split-complementary

#16178C #8C5016 #528C16

monochromatic

#050622 #0E0E57 #16178C #1E20C1 #3C3DE0

Accessibility & contrast

On white

13.68

#16178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#16178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16178C

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16178C	#FFFFFF	#000000	##FFFFFF
##16178C	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338F

Deuteranopia (green-blind)

#00278A

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #16178c;
/* rgb */ color: rgb(22, 23, 140);
/* oklch */ color: oklch(31.7% 0.182 269.5);

Tailwind

colors: {
  custom: {
    50: '#6d57af',
    500: '#16178c',
    950: '#000000',
  },
}

SCSS

$custom: #16178c;
$custom-light: #6d57af;
$custom-dark: #000000;

JSON

{
  "hex": "#16178c",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 239.492,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31749,
    "c": 0.18159,
    "h": 269.5
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#16178C

secondary

#C0BF3E

accent

#EE38F0

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #16178C

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

Preview Lab → · Contrast checker → · Palette generator →