#171944#171944

#171944 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.080 H 276.6°. Best body text is #FFFFFF at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#171944
RGB	rgb(23, 25, 68)
HSL	hsl(237, 49%, 18%)
HSV	hsv(237, 66%, 27%)
CMYK	cmyk(66.2%, 63.2%, 0%, 73.3%)
CIE-LAB	lab(11.24, 14.47, -27.53)
CIE-LCH	lch(11.24, 31.10, 297.73°)
OKLab	oklab(24.06% 0.0092 -0.079)
OKLCH	oklch(24.06% 0.08 276.6)
XYZ	xyz(1.7440, 1.2946, 5.6257)
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

#171944 #444217

analogous

#172F44 #171944 #2B1744

triadic

#171944 #441719 #194417

tetradic

#171944 #44172F #444217 #17442B

square

#171944 #44172F #444217 #17442B

split-complementary

#171944 #442B17 #2F4417

monochromatic

#080817 #080817 #171944 #262A72 #363B9F

Accessibility & contrast

On white

16.68

#171944 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#171944 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171944

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171944	#FFFFFF	#000000	##FFFFFF
##171944	1.00	16.68	1.26	16.68
#FFFFFF	16.68	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002045

Deuteranopia (green-blind)

#001C43

Tritanopia (blue-blind)

#00232B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171944;
/* rgb */ color: rgb(23, 25, 68);
/* oklch */ color: oklch(24.1% 0.080 276.6);

Tailwind

colors: {
  custom: {
    50: '#595578',
    500: '#171944',
    950: '#000000',
  },
}

SCSS

$custom: #171944;
$custom-light: #595578;
$custom-dark: #000000;

JSON

{
  "hex": "#171944",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 68
  },
  "hsl": {
    "h": 237.333,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24056,
    "c": 0.07951,
    "h": 276.6
  },
  "luminance": 0.01295
}

Semantic roles & 50–950 ramp

primary

#171944

secondary

#7B783C

accent

#D34FD9

background

#F5F4F7

surface

#E9E8ED

border

#C5C4C8

text

#040309

muted

#79787B

Preview Lab

Preview with #171944

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

Preview Lab → · Contrast checker → · Palette generator →