#173645#173645

#173645 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.7% C 0.045 H 231.6°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#173645
RGB	rgb(23, 54, 69)
HSL	hsl(200, 50%, 18%)
HSV	hsv(200, 67%, 27%)
CMYK	cmyk(66.7%, 21.7%, 0%, 72.9%)
CIE-LAB	lab(21.02, -6.13, -12.75)
CIE-LCH	lch(21.02, 14.15, 244.32°)
OKLab	oklab(31.65% -0.0282 -0.0356)
OKLCH	oklch(31.65% 0.045 231.6)
XYZ	xyz(2.7463, 3.2499, 6.1116)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173645 #452617

analogous

#17453D #173645 #171F45

triadic

#173645 #451736 #364517

tetradic

#173645 #3D1745 #452617 #1F4517

square

#173645 #3D1745 #452617 #1F4517

split-complementary

#173645 #45171F #453D17

monochromatic

#081217 #081217 #173645 #265A73 #367EA1

Accessibility & contrast

On white

12.73

#173645 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#173645 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173645

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173645	#FFFFFF	#000000	##FFFFFF
##173645	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3546

Deuteranopia (green-blind)

#283045

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173645;
/* rgb */ color: rgb(23, 54, 69);
/* oklch */ color: oklch(31.7% 0.045 231.6);

Tailwind

colors: {
  custom: {
    50: '#596d78',
    500: '#173645',
    950: '#000000',
  },
}

SCSS

$custom: #173645;
$custom-light: #596d78;
$custom-dark: #000000;

JSON

{
  "hex": "#173645",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 69
  },
  "hsl": {
    "h": 199.565,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.31653,
    "c": 0.0454,
    "h": 231.6
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary

#173645

secondary

#7C513C

accent

#7C4EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #173645

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

Preview Lab → · Contrast checker → · Palette generator →