#16174B#16174B

#16174B is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.094 H 276.0°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#16174B
RGB	rgb(22, 23, 75)
HSL	hsl(239, 55%, 19%)
HSV	hsv(239, 71%, 29%)
CMYK	cmyk(70.7%, 69.3%, 0%, 70.6%)
CIE-LAB	lab(11.21, 18.56, -32.45)
CIE-LCH	lch(11.21, 37.38, 299.77°)
OKLab	oklab(24.22% 0.0098 -0.0935)
OKLCH	oklch(24.22% 0.094 276)
XYZ	xyz(1.9069, 1.2912, 6.8040)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#16174B #4B4A16

analogous

#16324B #16174B #30164B

triadic

#16174B #4B1617 #174B16

tetradic

#16174B #4B1632 #4B4A16 #164B30

square

#16174B #4B1632 #4B4A16 #164B30

split-complementary

#16174B #4B3016 #324B16

monochromatic

#070718 #08081C #16174B #24267A #3234AA

Accessibility & contrast

On white

16.69

#16174B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#16174B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #16174B

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##16174B	#FFFFFF	#000000	##FFFFFF
##16174B	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204D

Deuteranopia (green-blind)

#001C4A

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #16174b;
/* rgb */ color: rgb(22, 23, 75);
/* oklch */ color: oklch(24.2% 0.094 276.0);

Tailwind

colors: {
  custom: {
    50: '#5b547e',
    500: '#16174b',
    950: '#000000',
  },
}

SCSS

$custom: #16174b;
$custom-light: #5b547e;
$custom-dark: #000000;

JSON

{
  "hex": "#16174b",
  "rgb": {
    "r": 22,
    "g": 23,
    "b": 75
  },
  "hsl": {
    "h": 238.868,
    "s": 54.639,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24217,
    "c": 0.09399,
    "h": 276
  },
  "luminance": 0.01291
}

Semantic roles & 50–950 ramp

primary

#16174B

secondary

#83813A

accent

#DB4ADE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #16174B

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

Preview Lab → · Contrast checker → · Palette generator →