#173445#173445

#173445 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.046 H 236.6°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#173445
RGB	rgb(23, 52, 69)
HSL	hsl(202, 50%, 18%)
HSV	hsv(202, 67%, 27%)
CMYK	cmyk(66.7%, 24.6%, 0%, 72.9%)
CIE-LAB	lab(20.31, -4.81, -13.84)
CIE-LCH	lch(20.31, 14.65, 250.84°)
OKLab	oklab(31.09% -0.0255 -0.0387)
OKLCH	oklch(31.09% 0.046 236.6)
XYZ	xyz(2.6551, 3.0676, 6.0812)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173445 #452817

analogous

#17453F #173445 #171D45

triadic

#173445 #451734 #344517

tetradic

#173445 #3F1745 #452817 #1D4517

square

#173445 #3F1745 #452817 #1D4517

split-complementary

#173445 #45171D #453F17

monochromatic

#081117 #081117 #173445 #265773 #3679A1

Accessibility & contrast

On white

13.01

#173445 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#173445 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173445

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173445	#FFFFFF	#000000	##FFFFFF
##173445	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3446

Deuteranopia (green-blind)

#262F45

Tritanopia (blue-blind)

#00383A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #173445;
/* rgb */ color: rgb(23, 52, 69);
/* oklch */ color: oklch(31.1% 0.046 236.6);

Tailwind

colors: {
  custom: {
    50: '#596b78',
    500: '#173445',
    950: '#000000',
  },
}

SCSS

$custom: #173445;
$custom-light: #596b78;
$custom-dark: #000000;

JSON

{
  "hex": "#173445",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 69
  },
  "hsl": {
    "h": 202.174,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.31092,
    "c": 0.04639,
    "h": 236.6
  },
  "luminance": 0.03068
}

Semantic roles & 50–950 ramp

primary

#173445

secondary

#7C543C

accent

#824EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #173445

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

Preview Lab → · Contrast checker → · Palette generator →