#173763#173763

#173763 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.8% C 0.086 H 257.1°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#173763
RGB	rgb(23, 55, 99)
HSL	hsl(215, 62%, 24%)
HSV	hsv(215, 77%, 39%)
CMYK	cmyk(76.8%, 44.4%, 0%, 61.2%)
CIE-LAB	lab(23.05, 5.17, -29.43)
CIE-LCH	lch(23.05, 29.88, 279.97°)
OKLab	oklab(33.8% -0.0193 -0.0841)
OKLCH	oklch(33.8% 0.086 257.1)
XYZ	xyz(3.9708, 3.8150, 12.3290)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173763 #634317

analogous

#175D63 #173763 #1D1763

triadic

#173763 #631737 #376317

tetradic

#173763 #63175D #634317 #17631D

square

#173763 #63175D #634317 #17631D

split-complementary

#173763 #631D17 #5D6317

monochromatic

#060E19 #0B1B31 #173763 #235395 #2E6EC6

Accessibility & contrast

On white

11.91

#173763 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#173763 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173763

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173763	#FFFFFF	#000000	##FFFFFF
##173763	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223B65

Deuteranopia (green-blind)

#153462

Tritanopia (blue-blind)

#004148

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173763;
/* rgb */ color: rgb(23, 55, 99);
/* oklch */ color: oklch(33.8% 0.086 257.1);

Tailwind

colors: {
  custom: {
    50: '#5f6d90',
    500: '#173763',
    950: '#000000',
  },
}

SCSS

$custom: #173763;
$custom-light: #5f6d90;
$custom-dark: #000000;

JSON

{
  "hex": "#173763",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 99
  },
  "hsl": {
    "h": 214.737,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33803,
    "c": 0.08627,
    "h": 257.1
  },
  "luminance": 0.03815
}

Semantic roles & 50–950 ramp

primary

#173763

secondary

#9A723C

accent

#A142E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #173763

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

Preview Lab → · Contrast checker → · Palette generator →