#173864#173864

#173864 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 34.1% C 0.087 H 256.6°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#173864
RGB	rgb(23, 56, 100)
HSL	hsl(214, 63%, 24%)
HSV	hsv(214, 77%, 39%)
CMYK	cmyk(77%, 44%, 0%, 60.8%)
CIE-LAB	lab(23.44, 4.88, -29.46)
CIE-LCH	lch(23.44, 29.86, 279.42°)
OKLab	oklab(34.13% -0.0201 -0.0841)
OKLCH	oklch(34.13% 0.087 256.6)
XYZ	xyz(4.0669, 3.9302, 12.5984)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173864 #644317

analogous

#175F64 #173864 #1D1764

triadic

#173864 #641738 #386417

tetradic

#173864 #64175F #644317 #17641D

square

#173864 #64175F #644317 #17641D

split-complementary

#173864 #641D17 #5F6417

monochromatic

#060E19 #0C1C32 #173864 #225496 #2E70C8

Accessibility & contrast

On white

11.76

#173864 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#173864 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173864

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173864	#FFFFFF	#000000	##FFFFFF
##173864	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233C66

Deuteranopia (green-blind)

#163563

Tritanopia (blue-blind)

#004249

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173864;
/* rgb */ color: rgb(23, 56, 100);
/* oklch */ color: oklch(34.1% 0.087 256.6);

Tailwind

colors: {
  custom: {
    50: '#606e90',
    500: '#173864',
    950: '#000000',
  },
}

SCSS

$custom: #173864;
$custom-light: #606e90;
$custom-dark: #000000;

JSON

{
  "hex": "#173864",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 100
  },
  "hsl": {
    "h": 214.286,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34127,
    "c": 0.08651,
    "h": 256.6
  },
  "luminance": 0.03931
}

Semantic roles & 50–950 ramp

primary

#173864

secondary

#9A723C

accent

#A042E6

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #173864

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

Preview Lab → · Contrast checker → · Palette generator →