#173549#173549

#173549 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.6% C 0.051 H 240.2°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#173549
RGB	rgb(23, 53, 73)
HSL	hsl(204, 52%, 19%)
HSV	hsv(204, 68%, 29%)
CMYK	cmyk(68.5%, 27.4%, 0%, 71.4%)
CIE-LAB	lab(20.86, -3.94, -15.69)
CIE-LCH	lch(20.86, 16.17, 255.89°)
OKLab	oklab(31.59% -0.0252 -0.044)
OKLCH	oklch(31.59% 0.051 240.2)
XYZ	xyz(2.8286, 3.2091, 6.7724)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173549 #492B17

analogous

#174944 #173549 #171C49

triadic

#173549 #491735 #354917

tetradic

#173549 #441749 #492B17 #1C4917

square

#173549 #441749 #492B17 #1C4917

split-complementary

#173549 #49171C #494417

monochromatic

#071117 #08131A #173549 #265778 #3479A6

Accessibility & contrast

On white

12.79

#173549 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#173549 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173549

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173549	#FFFFFF	#000000	##FFFFFF
##173549	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C354A

Deuteranopia (green-blind)

#253049

Tritanopia (blue-blind)

#003A3C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #173549;
/* rgb */ color: rgb(23, 53, 73);
/* oklch */ color: oklch(31.6% 0.051 240.2);

Tailwind

colors: {
  custom: {
    50: '#5a6c7b',
    500: '#173549',
    950: '#000000',
  },
}

SCSS

$custom: #173549;
$custom-light: #5a6c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#173549",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 73
  },
  "hsl": {
    "h": 204,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.31594,
    "c": 0.05073,
    "h": 240.2
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#173549

secondary

#80573C

accent

#864CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #173549

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

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