#16178E#16178E

#16178E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.184 H 269.3°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#16178E
RGB	rgb(22, 23, 142)
HSL	hsl(240, 73%, 32%)
HSV	hsv(240, 85%, 56%)
CMYK	cmyk(84.5%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(18.95, 42.95, -63.53)
CIE-LCH	lch(18.95, 76.69, 304.06°)
OKLab	oklab(32% -0.0022 -0.184)
OKLCH	oklch(32% 0.184 269.3)
XYZ	xyz(5.5181, 2.7357, 25.8232)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16178E #8E8D16

analogous

#16538E #16178E #51168E

triadic

#16178E #8E1617 #178E16

tetradic

#16178E #8E1653 #8E8D16 #168E51

square

#16178E #8E1653 #8E8D16 #168E51

split-complementary

#16178E #8E5116 #538E16

monochromatic

#060624 #0E0E59 #16178E #1E20C3 #3D3FE1

Accessibility & contrast

On white

13.57

#16178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#16178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16178E

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16178E	#FFFFFF	#000000	##FFFFFF
##16178E	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #16178e;
/* rgb */ color: rgb(22, 23, 142);
/* oklch */ color: oklch(32.0% 0.184 269.3);

Tailwind

colors: {
  custom: {
    50: '#6e58b0',
    500: '#16178e',
    950: '#000000',
  },
}

SCSS

$custom: #16178e;
$custom-light: #6e58b0;
$custom-dark: #000000;

JSON

{
  "hex": "#16178e",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 239.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.31999,
    "c": 0.18398,
    "h": 269.3
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#16178E

secondary

#C1C03F

accent

#EE38F0

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #16178E

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

Preview Lab → · Contrast checker → · Palette generator →