#16174E#16174E

#16174E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.099 H 275.5°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#16174E
RGB	rgb(22, 23, 78)
HSL	hsl(239, 56%, 20%)
HSV	hsv(239, 72%, 31%)
CMYK	cmyk(71.8%, 70.5%, 0%, 69.4%)
CIE-LAB	lab(11.51, 19.75, -34.04)
CIE-LCH	lch(11.51, 39.35, 300.13°)
OKLab	oklab(24.52% 0.0095 -0.0981)
OKLCH	oklch(24.52% 0.099 275.5)
XYZ	xyz(2.0120, 1.3333, 7.3576)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16174E #4E4D16

analogous

#16334E #16174E #31164E

triadic

#16174E #4E1617 #174E16

tetradic

#16174E #4E1633 #4E4D16 #164E31

square

#16174E #4E1633 #4E4D16 #164E31

split-complementary

#16174E #4E3116 #334E16

monochromatic

#070718 #09091E #16174E #23257E #3133AD

Accessibility & contrast

On white

16.58

#16174E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#16174E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16174E

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16174E	#FFFFFF	#000000	##FFFFFF
##16174E	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002150

Deuteranopia (green-blind)

#001C4D

Tritanopia (blue-blind)

#002530

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #16174e;
/* rgb */ color: rgb(22, 23, 78);
/* oklch */ color: oklch(24.5% 0.099 275.5);

Tailwind

colors: {
  custom: {
    50: '#5c5480',
    500: '#16174e',
    950: '#000000',
  },
}

SCSS

$custom: #16174e;
$custom-light: #5c5480;
$custom-dark: #000000;

JSON

{
  "hex": "#16174e",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 78
  },
  "hsl": {
    "h": 238.929,
    "s": 56,
    "l": 19.608
  },
  "oklch": {
    "l": 0.24521,
    "c": 0.09861,
    "h": 275.5
  },
  "luminance": 0.01333
}

Semantic roles & 50–950 ramp

primary

#16174E

secondary

#85843A

accent

#DD49DF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #16174E

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

Preview Lab → · Contrast checker → · Palette generator →