#173A68#173A68

#173A68 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.9% C 0.090 H 256.4°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#173A68
RGB	rgb(23, 58, 104)
HSL	hsl(214, 64%, 25%)
HSV	hsv(214, 78%, 41%)
CMYK	cmyk(77.9%, 44.2%, 0%, 59.2%)
CIE-LAB	lab(24.35, 5.14, -30.60)
CIE-LCH	lch(24.35, 31.03, 279.54°)
OKLab	oklab(34.91% -0.0212 -0.0874)
OKLCH	oklch(34.91% 0.09 256.4)
XYZ	xyz(4.3642, 4.2073, 13.6761)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A68 #684517

analogous

#176368 #173A68 #1C1768

triadic

#173A68 #68173A #3A6817

tetradic

#173A68 #681763 #684517 #17681C

square

#173A68 #681763 #684517 #17681C

split-complementary

#173A68 #681C17 #636817

monochromatic

#060E19 #0C1E36 #173A68 #22569A #2D72CC

Accessibility & contrast

On white

11.40

#173A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#173A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A68

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A68	#FFFFFF	#000000	##FFFFFF
##173A68	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243E6A

Deuteranopia (green-blind)

#163667

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173a68;
/* rgb */ color: rgb(23, 58, 104);
/* oklch */ color: oklch(34.9% 0.090 256.4);

Tailwind

colors: {
  custom: {
    50: '#606f93',
    500: '#173a68',
    950: '#000000',
  },
}

SCSS

$custom: #173a68;
$custom-light: #606f93;
$custom-dark: #000000;

JSON

{
  "hex": "#173a68",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 104
  },
  "hsl": {
    "h": 214.074,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34914,
    "c": 0.08998,
    "h": 256.4
  },
  "luminance": 0.04208
}

Semantic roles & 50–950 ramp

primary

#173A68

secondary

#9E743D

accent

#9F41E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #173A68

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

Preview Lab → · Contrast checker → · Palette generator →