#174855#174855

#174855 is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.5% C 0.056 H 218.7°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#174855
RGB	rgb(23, 72, 85)
HSL	hsl(193, 57%, 21%)
HSV	hsv(193, 73%, 33%)
CMYK	cmyk(72.9%, 15.3%, 0%, 66.7%)
CIE-LAB	lab(28.04, -11.53, -12.53)
CIE-LCH	lch(28.04, 17.03, 227.37°)
OKLab	oklab(37.5% -0.0436 -0.0349)
OKLCH	oklch(37.5% 0.056 218.7)
XYZ	xyz(4.3097, 5.4723, 9.4217)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174855 #552417

analogous

#175543 #174855 #172955

triadic

#174855 #551748 #485517

tetradic

#174855 #431755 #552417 #295517

square

#174855 #431755 #552417 #295517

split-complementary

#174855 #551729 #554317

monochromatic

#071418 #0A1F25 #174855 #247185 #319AB5

Accessibility & contrast

On white

10.03

#174855 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#174855 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174855

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174855	#FFFFFF	#000000	##FFFFFF
##174855	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404656

Deuteranopia (green-blind)

#373F55

Tritanopia (blue-blind)

#004C4C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #174855;
/* rgb */ color: rgb(23, 72, 85);
/* oklch */ color: oklch(37.5% 0.056 218.7);

Tailwind

colors: {
  custom: {
    50: '#5d7b84',
    500: '#174855',
    950: '#000000',
  },
}

SCSS

$custom: #174855;
$custom-light: #5d7b84;
$custom-dark: #000000;

JSON

{
  "hex": "#174855",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 85
  },
  "hsl": {
    "h": 192.581,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.37504,
    "c": 0.05583,
    "h": 218.7
  },
  "luminance": 0.05473
}

Semantic roles & 50–950 ramp

primary

#174855

secondary

#8C4D3C

accent

#6747E1

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174855

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

Preview Lab → · Contrast checker → · Palette generator →