#173459#173459

#173459 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.075 H 255.6°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#173459
RGB	rgb(23, 52, 89)
HSL	hsl(214, 59%, 22%)
HSV	hsv(214, 74%, 35%)
CMYK	cmyk(74.2%, 41.6%, 0%, 65.1%)
CIE-LAB	lab(21.43, 3.16, -25.46)
CIE-LCH	lch(21.43, 25.66, 277.07°)
OKLab	oklab(32.34% -0.0186 -0.0725)
OKLCH	oklch(32.34% 0.075 255.6)
XYZ	xyz(3.3839, 3.3591, 9.9193)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173459 #593C17

analogous

#175559 #173459 #1B1759

triadic

#173459 #591734 #345917

tetradic

#173459 #591755 #593C17 #17591B

square

#173459 #591755 #593C17 #17591B

split-complementary

#173459 #591B17 #555917

monochromatic

#060E18 #0A1828 #173459 #24508A #306DBA

Accessibility & contrast

On white

12.56

#173459 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#173459 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173459

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173459	#FFFFFF	#000000	##FFFFFF
##173459	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23375A

Deuteranopia (green-blind)

#193158

Tritanopia (blue-blind)

#003D42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173459;
/* rgb */ color: rgb(23, 52, 89);
/* oklch */ color: oklch(32.3% 0.075 255.6);

Tailwind

colors: {
  custom: {
    50: '#5d6b88',
    500: '#173459',
    950: '#000000',
  },
}

SCSS

$custom: #173459;
$custom-light: #5d6b88;
$custom-dark: #000000;

JSON

{
  "hex": "#173459",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 89
  },
  "hsl": {
    "h": 213.636,
    "s": 58.929,
    "l": 21.961
  },
  "oklch": {
    "l": 0.32335,
    "c": 0.07483,
    "h": 255.6
  },
  "luminance": 0.03359
}

Semantic roles & 50–950 ramp

primary

#173459

secondary

#906B3C

accent

#9D46E2

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05060B

muted

#797A7C

Preview Lab

Preview with #173459

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

Preview Lab → · Contrast checker → · Palette generator →