#174B72#174B72

#174B72 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.9% C 0.085 H 245.3°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#174B72
RGB	rgb(23, 75, 114)
HSL	hsl(206, 66%, 27%)
HSV	hsv(206, 80%, 45%)
CMYK	cmyk(79.8%, 34.2%, 0%, 55.3%)
CIE-LAB	lab(30.47, -2.26, -27.25)
CIE-LCH	lch(30.47, 27.34, 265.26°)
OKLab	oklab(39.9% -0.0356 -0.0773)
OKLCH	oklch(39.9% 0.085 245.3)
XYZ	xyz(5.9055, 6.4285, 16.8459)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B72 #723E17

analogous

#17726C #174B72 #171E72

triadic

#174B72 #72174B #4B7217

tetradic

#174B72 #6C1772 #723E17 #1E7217

square

#174B72 #6C1772 #723E17 #1E7217

split-complementary

#174B72 #72171E #726C17

monochromatic

#051119 #0D293F #174B72 #216DA5 #2E8ED5

Accessibility & contrast

On white

9.19

#174B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#174B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B72

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B72	#FFFFFF	#000000	##FFFFFF
##174B72	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394C74

Deuteranopia (green-blind)

#2C4471

Tritanopia (blue-blind)

#005459

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174b72;
/* rgb */ color: rgb(23, 75, 114);
/* oklch */ color: oklch(39.9% 0.085 245.3);

Tailwind

colors: {
  custom: {
    50: '#637d9b',
    500: '#174b72',
    950: '#000000',
  },
}

SCSS

$custom: #174b72;
$custom-light: #637d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#174b72",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 114
  },
  "hsl": {
    "h": 205.714,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.39903,
    "c": 0.08515,
    "h": 245.3
  },
  "luminance": 0.06429
}

Semantic roles & 50–950 ramp

primary

#174B72

secondary

#A86B3D

accent

#883EE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #174B72

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

Preview Lab → · Contrast checker → · Palette generator →