#174C5B#174C5B

#174C5B is a dark, muted cyan. Relative luminance 0.061; OKLCH L 38.9% C 0.060 H 220.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#174C5B
RGB	rgb(23, 76, 91)
HSL	hsl(193, 60%, 22%)
HSV	hsv(193, 75%, 36%)
CMYK	cmyk(74.7%, 16.5%, 0%, 64.3%)
CIE-LAB	lab(29.68, -11.75, -13.88)
CIE-LCH	lch(29.68, 18.19, 229.76°)
OKLab	oklab(38.9% -0.0456 -0.0387)
OKLCH	oklch(38.9% 0.06 220.4)
XYZ	xyz(4.8253, 6.1058, 10.8197)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174C5B #5B2617

analogous

#175B48 #174C5B #172A5B

triadic

#174C5B #5B174C #4C5B17

tetradic

#174C5B #48175B #5B2617 #2A5B17

square

#174C5B #48175B #5B2617 #2A5B17

split-complementary

#174C5B #5B172A #5B4817

monochromatic

#061418 #0B232A #174C5B #23758C #309EBD

Accessibility & contrast

On white

9.45

#174C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#174C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174C5B

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174C5B	#FFFFFF	#000000	##FFFFFF
##174C5B	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434A5C

Deuteranopia (green-blind)

#39435B

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #174c5b;
/* rgb */ color: rgb(23, 76, 91);
/* oklch */ color: oklch(38.9% 0.060 220.4);

Tailwind

colors: {
  custom: {
    50: '#5f7e89',
    500: '#174c5b',
    950: '#000000',
  },
}

SCSS

$custom: #174c5b;
$custom-light: #5f7e89;
$custom-dark: #000000;

JSON

{
  "hex": "#174c5b",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 91
  },
  "hsl": {
    "h": 193.235,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.38903,
    "c": 0.05981,
    "h": 220.4
  },
  "luminance": 0.06106
}

Semantic roles & 50–950 ramp

primary

#174C5B

secondary

#924F3C

accent

#6845E3

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174C5B

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

Preview Lab → · Contrast checker → · Palette generator →