#16178D#16178D

#16178D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.183 H 269.4°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#16178D
RGB	rgb(22, 23, 141)
HSL	hsl(239, 73%, 32%)
HSV	hsv(239, 84%, 55%)
CMYK	cmyk(84.4%, 83.7%, 0%, 44.7%)
CIE-LAB	lab(18.82, 42.62, -63.12)
CIE-LCH	lch(18.82, 76.16, 304.03°)
OKLab	oklab(31.87% -0.0019 -0.1828)
OKLCH	oklch(31.87% 0.183 269.4)
XYZ	xyz(5.4434, 2.7058, 25.4295)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16178D #8D8C16

analogous

#16538D #16178D #51168D

triadic

#16178D #8D1617 #178D16

tetradic

#16178D #8D1653 #8D8C16 #168D51

square

#16178D #8D1653 #8D8C16 #168D51

split-complementary

#16178D #8D5116 #538D16

monochromatic

#050623 #0E0E58 #16178D #1E20C2 #3D3EE1

Accessibility & contrast

On white

13.63

#16178D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#16178D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16178D

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16178D	#FFFFFF	#000000	##FFFFFF
##16178D	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00278B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #16178d;
/* rgb */ color: rgb(22, 23, 141);
/* oklch */ color: oklch(31.9% 0.183 269.4);

Tailwind

colors: {
  custom: {
    50: '#6d57b0',
    500: '#16178d',
    950: '#000000',
  },
}

SCSS

$custom: #16178d;
$custom-light: #6d57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#16178d",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 141
  },
  "hsl": {
    "h": 239.496,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.31874,
    "c": 0.18279,
    "h": 269.4
  },
  "luminance": 0.02706
}

Semantic roles & 50–950 ramp

primary

#16178D

secondary

#C1BF3E

accent

#EE38F0

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #16178D

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

Preview Lab → · Contrast checker → · Palette generator →