#174A78#174A78

#174A78 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.0% C 0.094 H 249.6°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#174A78
RGB	rgb(23, 74, 120)
HSL	hsl(208, 68%, 28%)
HSV	hsv(208, 81%, 47%)
CMYK	cmyk(80.8%, 38.3%, 0%, 52.9%)
CIE-LAB	lab(30.48, 0.81, -30.99)
CIE-LCH	lch(30.48, 31.00, 271.50°)
OKLab	oklab(40.03% -0.0328 -0.0883)
OKLCH	oklch(40.03% 0.094 249.6)
XYZ	xyz(6.1910, 6.4350, 18.6815)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A78 #784517

analogous

#177875 #174A78 #171978

triadic

#174A78 #78174A #4A7817

tetradic

#174A78 #751778 #784517 #197817

square

#174A78 #751778 #784517 #197817

split-complementary

#174A78 #781719 #787517

monochromatic

#05101A #0D2A45 #174A78 #216AAB #3289D8

Accessibility & contrast

On white

9.18

#174A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#174A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A78

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A78	#FFFFFF	#000000	##FFFFFF
##174A78	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344D7A

Deuteranopia (green-blind)

#264477

Tritanopia (blue-blind)

#00555B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174a78;
/* rgb */ color: rgb(23, 74, 120);
/* oklch */ color: oklch(40.0% 0.094 249.6);

Tailwind

colors: {
  custom: {
    50: '#647c9f',
    500: '#174a78',
    950: '#000000',
  },
}

SCSS

$custom: #174a78;
$custom-light: #647c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#174a78",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 120
  },
  "hsl": {
    "h": 208.454,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.40026,
    "c": 0.09419,
    "h": 249.6
  },
  "luminance": 0.06436
}

Semantic roles & 50–950 ramp

primary

#174A78

secondary

#AD733E

accent

#8F3DEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #174A78

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

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