#174B78#174B78

#174B78 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.3% C 0.093 H 248.7°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#174B78
RGB	rgb(23, 75, 120)
HSL	hsl(208, 68%, 28%)
HSV	hsv(208, 81%, 47%)
CMYK	cmyk(80.8%, 37.5%, 0%, 52.9%)
CIE-LAB	lab(30.81, 0.15, -30.48)
CIE-LCH	lch(30.81, 30.48, 270.29°)
OKLab	oklab(40.28% -0.0338 -0.0868)
OKLCH	oklch(40.28% 0.093 248.7)
XYZ	xyz(6.2583, 6.5696, 18.7039)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B78 #784417

analogous

#177874 #174B78 #171A78

triadic

#174B78 #78174B #4B7817

tetradic

#174B78 #741778 #784417 #1A7817

square

#174B78 #741778 #784417 #1A7817

split-complementary

#174B78 #78171A #787417

monochromatic

#05101A #0D2B45 #174B78 #216BAB #328BD8

Accessibility & contrast

On white

9.08

#174B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#174B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B78

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B78	#FFFFFF	#000000	##FFFFFF
##174B78	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364D7A

Deuteranopia (green-blind)

#284477

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174b78;
/* rgb */ color: rgb(23, 75, 120);
/* oklch */ color: oklch(40.3% 0.093 248.7);

Tailwind

colors: {
  custom: {
    50: '#647c9f',
    500: '#174b78',
    950: '#000000',
  },
}

SCSS

$custom: #174b78;
$custom-light: #647c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#174b78",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 120
  },
  "hsl": {
    "h": 207.835,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40279,
    "c": 0.09312,
    "h": 248.7
  },
  "luminance": 0.0657
}

Semantic roles & 50–950 ramp

primary

#174B78

secondary

#AD713E

accent

#8E3DEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #174B78

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

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