#173552#173552

#173552 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.1% C 0.063 H 249.7°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#173552
RGB	rgb(23, 53, 82)
HSL	hsl(209, 56%, 21%)
HSV	hsv(209, 72%, 32%)
CMYK	cmyk(72%, 35.4%, 0%, 67.8%)
CIE-LAB	lab(21.35, -0.39, -20.95)
CIE-LCH	lch(21.35, 20.95, 268.93°)
OKLab	oklab(32.14% -0.0219 -0.0593)
OKLCH	oklch(32.14% 0.063 249.7)
XYZ	xyz(3.1489, 3.3372, 8.4592)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173552 #523417

analogous

#175251 #173552 #171752

triadic

#173552 #521735 #355217

tetradic

#173552 #511752 #523417 #175217

square

#173552 #511752 #523417 #175217

split-complementary

#173552 #521717 #525117

monochromatic

#070F18 #0A1622 #173552 #245482 #3273B2

Accessibility & contrast

On white

12.59

#173552 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#173552 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173552

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173552	#FFFFFF	#000000	##FFFFFF
##173552	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283653

Deuteranopia (green-blind)

#203151

Tritanopia (blue-blind)

#003C3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #173552;
/* rgb */ color: rgb(23, 53, 82);
/* oklch */ color: oklch(32.1% 0.063 249.7);

Tailwind

colors: {
  custom: {
    50: '#5c6c82',
    500: '#173552',
    950: '#000000',
  },
}

SCSS

$custom: #173552;
$custom-light: #5c6c82;
$custom-dark: #000000;

JSON

{
  "hex": "#173552",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 82
  },
  "hsl": {
    "h": 209.492,
    "s": 56.19,
    "l": 20.588
  },
  "oklch": {
    "l": 0.32135,
    "c": 0.0632,
    "h": 249.7
  },
  "luminance": 0.03338
}

Semantic roles & 50–950 ramp

primary

#173552

secondary

#89623C

accent

#9348DF

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060A

muted

#797A7C

Preview Lab

Preview with #173552

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

Preview Lab → · Contrast checker → · Palette generator →