#173545#173545

#173545 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.4% C 0.046 H 234.1°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#173545
RGB	rgb(23, 53, 69)
HSL	hsl(201, 50%, 18%)
HSV	hsv(201, 67%, 27%)
CMYK	cmyk(66.7%, 23.2%, 0%, 72.9%)
CIE-LAB	lab(20.67, -5.47, -13.30)
CIE-LCH	lch(20.67, 14.38, 247.62°)
OKLab	oklab(31.37% -0.0269 -0.0372)
OKLCH	oklch(31.37% 0.046 234.1)
XYZ	xyz(2.7002, 3.1578, 6.0963)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173545 #452717

analogous

#17453E #173545 #171E45

triadic

#173545 #451735 #354517

tetradic

#173545 #3E1745 #452717 #1E4517

square

#173545 #3E1745 #452717 #1E4517

split-complementary

#173545 #45171E #453E17

monochromatic

#081217 #081217 #173545 #265873 #367CA1

Accessibility & contrast

On white

12.87

#173545 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#173545 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173545

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173545	#FFFFFF	#000000	##FFFFFF
##173545	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3446

Deuteranopia (green-blind)

#273045

Tritanopia (blue-blind)

#00393A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #173545;
/* rgb */ color: rgb(23, 53, 69);
/* oklch */ color: oklch(31.4% 0.046 234.1);

Tailwind

colors: {
  custom: {
    50: '#596c78',
    500: '#173545',
    950: '#000000',
  },
}

SCSS

$custom: #173545;
$custom-light: #596c78;
$custom-dark: #000000;

JSON

{
  "hex": "#173545",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 69
  },
  "hsl": {
    "h": 200.87,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.31372,
    "c": 0.04585,
    "h": 234.1
  },
  "luminance": 0.03158
}

Semantic roles & 50–950 ramp

primary

#173545

secondary

#7C523C

accent

#7F4EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #173545

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

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