#173653#173653

#173653 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.5% C 0.064 H 249.0°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#173653
RGB	rgb(23, 54, 83)
HSL	hsl(209, 57%, 21%)
HSV	hsv(209, 72%, 33%)
CMYK	cmyk(72.3%, 34.9%, 0%, 67.5%)
CIE-LAB	lab(21.74, -0.68, -20.99)
CIE-LCH	lch(21.74, 21.00, 268.15°)
OKLab	oklab(32.47% -0.0228 -0.0594)
OKLCH	oklch(32.47% 0.064 249)
XYZ	xyz(3.2333, 3.4447, 8.6764)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173653 #533417

analogous

#175352 #173653 #171853

triadic

#173653 #531736 #365317

tetradic

#173653 #521753 #533417 #185317

square

#173653 #521753 #533417 #185317

split-complementary

#173653 #531718 #535217

monochromatic

#071018 #0A1723 #173653 #245583 #3274B3

Accessibility & contrast

On white

12.43

#173653 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#173653 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173653

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173653	#FFFFFF	#000000	##FFFFFF
##173653	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293754

Deuteranopia (green-blind)

#213252

Tritanopia (blue-blind)

#003D40

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173653;
/* rgb */ color: rgb(23, 54, 83);
/* oklch */ color: oklch(32.5% 0.064 249.0);

Tailwind

colors: {
  custom: {
    50: '#5c6c83',
    500: '#173653',
    950: '#000000',
  },
}

SCSS

$custom: #173653;
$custom-light: #5c6c83;
$custom-dark: #000000;

JSON

{
  "hex": "#173653",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 83
  },
  "hsl": {
    "h": 209,
    "s": 56.604,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32466,
    "c": 0.06361,
    "h": 249
  },
  "luminance": 0.03445
}

Semantic roles & 50–950 ramp

primary

#173653

secondary

#8A623C

accent

#9148E0

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #173653

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

Preview Lab → · Contrast checker → · Palette generator →