#16174D#16174D

#16174D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.097 H 275.7°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#16174D
RGB	rgb(22, 23, 77)
HSL	hsl(239, 56%, 19%)
HSV	hsv(239, 71%, 30%)
CMYK	cmyk(71.4%, 70.1%, 0%, 69.8%)
CIE-LAB	lab(11.41, 19.36, -33.51)
CIE-LCH	lch(11.41, 38.70, 300.01°)
OKLab	oklab(24.42% 0.0096 -0.0966)
OKLCH	oklch(24.42% 0.097 275.7)
XYZ	xyz(1.9764, 1.3190, 7.1702)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16174D #4D4C16

analogous

#16334D #16174D #31164D

triadic

#16174D #4D1617 #174D16

tetradic

#16174D #4D1633 #4D4C16 #164D31

square

#16174D #4D1633 #4D4C16 #164D31

split-complementary

#16174D #4D3116 #334D16

monochromatic

#070718 #08091D #16174D #24257D #3133AC

Accessibility & contrast

On white

16.62

#16174D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#16174D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16174D

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16174D	#FFFFFF	#000000	##FFFFFF
##16174D	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214F

Deuteranopia (green-blind)

#001C4C

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #16174d;
/* rgb */ color: rgb(22, 23, 77);
/* oklch */ color: oklch(24.4% 0.097 275.7);

Tailwind

colors: {
  custom: {
    50: '#5b547f',
    500: '#16174d',
    950: '#000000',
  },
}

SCSS

$custom: #16174d;
$custom-light: #5b547f;
$custom-dark: #000000;

JSON

{
  "hex": "#16174d",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 77
  },
  "hsl": {
    "h": 238.909,
    "s": 55.556,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24419,
    "c": 0.09709,
    "h": 275.7
  },
  "luminance": 0.01319
}

Semantic roles & 50–950 ramp

primary

#16174D

secondary

#85833A

accent

#DC49DF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #16174D

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

Preview Lab → · Contrast checker → · Palette generator →