#174B73#174B73

#174B73 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.0% C 0.086 H 245.9°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#174B73
RGB	rgb(23, 75, 115)
HSL	hsl(206, 67%, 27%)
HSV	hsv(206, 80%, 45%)
CMYK	cmyk(80%, 34.8%, 0%, 54.9%)
CIE-LAB	lab(30.52, -1.86, -27.79)
CIE-LCH	lch(30.52, 27.85, 266.17°)
OKLab	oklab(39.96% -0.0353 -0.0789)
OKLCH	oklch(39.96% 0.086 245.9)
XYZ	xyz(5.9627, 6.4514, 17.1473)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B73 #733F17

analogous

#17736D #174B73 #171D73

triadic

#174B73 #73174B #4B7317

tetradic

#174B73 #6D1773 #733F17 #1D7317

square

#174B73 #6D1773 #733F17 #1D7317

split-complementary

#174B73 #73171D #736D17

monochromatic

#05111A #0D2A40 #174B73 #216CA6 #2F8DD5

Accessibility & contrast

On white

9.17

#174B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#174B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B73

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B73	#FFFFFF	#000000	##FFFFFF
##174B73	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394D75

Deuteranopia (green-blind)

#2B4472

Tritanopia (blue-blind)

#005559

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174b73;
/* rgb */ color: rgb(23, 75, 115);
/* oklch */ color: oklch(40.0% 0.086 245.9);

Tailwind

colors: {
  custom: {
    50: '#637d9b',
    500: '#174b73',
    950: '#000000',
  },
}

SCSS

$custom: #174b73;
$custom-light: #637d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#174b73",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 115
  },
  "hsl": {
    "h": 206.087,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.39964,
    "c": 0.08645,
    "h": 245.9
  },
  "luminance": 0.06452
}

Semantic roles & 50–950 ramp

primary

#174B73

secondary

#A96C3D

accent

#893EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #174B73

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

Preview Lab → · Contrast checker → · Palette generator →