#173447#173447

#173447 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.2% C 0.049 H 239.6°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#173447
RGB	rgb(23, 52, 71)
HSL	hsl(204, 51%, 18%)
HSV	hsv(204, 68%, 28%)
CMYK	cmyk(67.6%, 26.8%, 0%, 72.2%)
CIE-LAB	lab(20.41, -4.04, -15.04)
CIE-LCH	lch(20.41, 15.57, 254.95°)
OKLab	oklab(31.2% -0.0247 -0.0422)
OKLCH	oklch(31.2% 0.049 239.6)
XYZ	xyz(2.7182, 3.0928, 6.4137)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173447 #472A17

analogous

#174742 #173447 #171C47

triadic

#173447 #471734 #344717

tetradic

#173447 #421747 #472A17 #1C4717

square

#173447 #421747 #472A17 #1C4717

split-complementary

#173447 #47171C #474217

monochromatic

#071117 #081219 #173447 #265675 #3578A3

Accessibility & contrast

On white

12.97

#173447 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#173447 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173447

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173447	#FFFFFF	#000000	##FFFFFF
##173447	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3448

Deuteranopia (green-blind)

#252F47

Tritanopia (blue-blind)

#00393A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173447;
/* rgb */ color: rgb(23, 52, 71);
/* oklch */ color: oklch(31.2% 0.049 239.6);

Tailwind

colors: {
  custom: {
    50: '#596b7a',
    500: '#173447',
    950: '#000000',
  },
}

SCSS

$custom: #173447;
$custom-light: #596b7a;
$custom-dark: #000000;

JSON

{
  "hex": "#173447",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 71
  },
  "hsl": {
    "h": 203.75,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.31204,
    "c": 0.04888,
    "h": 239.6
  },
  "luminance": 0.03093
}

Semantic roles & 50–950 ramp

primary

#173447

secondary

#7E563C

accent

#854DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #173447

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

Preview Lab → · Contrast checker → · Palette generator →