#174C5A#174C5A

#174C5A is a dark, muted cyan. Relative luminance 0.061; OKLCH L 38.9% C 0.059 H 218.9°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#174C5A
RGB	rgb(23, 76, 90)
HSL	hsl(193, 59%, 22%)
HSV	hsv(193, 74%, 35%)
CMYK	cmyk(74.4%, 15.6%, 0%, 64.7%)
CIE-LAB	lab(29.64, -12.11, -13.31)
CIE-LCH	lch(29.64, 17.99, 227.69°)
OKLab	oklab(38.85% -0.046 -0.0371)
OKLCH	oklch(38.85% 0.059 218.9)
XYZ	xyz(4.7825, 6.0887, 10.5941)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174C5A #5A2517

analogous

#175A47 #174C5A #172B5A

triadic

#174C5A #5A174C #4C5A17

tetradic

#174C5A #47175A #5A2517 #2B5A17

square

#174C5A #47175A #5A2517 #2B5A17

split-complementary

#174C5A #5A172B #5A4717

monochromatic

#061518 #0B2329 #174C5A #23758B #309EBB

Accessibility & contrast

On white

9.47

#174C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#174C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174C5A

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174C5A	#FFFFFF	#000000	##FFFFFF
##174C5A	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434A5B

Deuteranopia (green-blind)

#3A435A

Tritanopia (blue-blind)

#005150

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #174c5a;
/* rgb */ color: rgb(23, 76, 90);
/* oklch */ color: oklch(38.9% 0.059 218.9);

Tailwind

colors: {
  custom: {
    50: '#5e7e88',
    500: '#174c5a',
    950: '#000000',
  },
}

SCSS

$custom: #174c5a;
$custom-light: #5e7e88;
$custom-dark: #000000;

JSON

{
  "hex": "#174c5a",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 90
  },
  "hsl": {
    "h": 192.537,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.38854,
    "c": 0.05912,
    "h": 218.9
  },
  "luminance": 0.06089
}

Semantic roles & 50–950 ramp

primary

#174C5A

secondary

#914E3C

accent

#6645E2

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174C5A

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

Preview Lab → · Contrast checker → · Palette generator →