#173863#173863

#173863 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 34.1% C 0.085 H 256.2°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#173863
RGB	rgb(23, 56, 99)
HSL	hsl(214, 62%, 24%)
HSV	hsv(214, 77%, 39%)
CMYK	cmyk(76.8%, 43.4%, 0%, 61.2%)
CIE-LAB	lab(23.37, 4.47, -28.91)
CIE-LCH	lch(23.37, 29.26, 278.79°)
OKLab	oklab(34.06% -0.0203 -0.0825)
OKLCH	oklch(34.06% 0.085 256.2)
XYZ	xyz(4.0188, 3.9109, 12.3450)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173863 #634217

analogous

#175E63 #173863 #1C1763

triadic

#173863 #631738 #386317

tetradic

#173863 #63175E #634217 #17631C

square

#173863 #63175E #634217 #17631C

split-complementary

#173863 #631C17 #5E6317

monochromatic

#060E19 #0B1C31 #173863 #235495 #2E70C6

Accessibility & contrast

On white

11.78

#173863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#173863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173863

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173863	#FFFFFF	#000000	##FFFFFF
##173863	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243B65

Deuteranopia (green-blind)

#173462

Tritanopia (blue-blind)

#004248

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173863;
/* rgb */ color: rgb(23, 56, 99);
/* oklch */ color: oklch(34.1% 0.085 256.2);

Tailwind

colors: {
  custom: {
    50: '#5f6e90',
    500: '#173863',
    950: '#000000',
  },
}

SCSS

$custom: #173863;
$custom-light: #5f6e90;
$custom-dark: #000000;

JSON

{
  "hex": "#173863",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 99
  },
  "hsl": {
    "h": 213.947,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.34056,
    "c": 0.08501,
    "h": 256.2
  },
  "luminance": 0.03911
}

Semantic roles & 50–950 ramp

primary

#173863

secondary

#9A713C

accent

#9F42E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #173863

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

Preview Lab → · Contrast checker → · Palette generator →