#174E78#174E78

#174E78 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.090 H 245.9°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#174E78
RGB	rgb(23, 78, 120)
HSL	hsl(206, 68%, 28%)
HSV	hsv(206, 81%, 47%)
CMYK	cmyk(80.8%, 35%, 0%, 52.9%)
CIE-LAB	lab(31.78, -1.81, -28.94)
CIE-LCH	lch(31.78, 29.00, 266.42°)
OKLab	oklab(41.04% -0.0367 -0.0822)
OKLCH	oklch(41.04% 0.09 245.9)
XYZ	xyz(6.4666, 6.9862, 18.7733)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E78 #784117

analogous

#177871 #174E78 #171E78

triadic

#174E78 #78174E #4E7817

tetradic

#174E78 #711778 #784117 #1E7817

square

#174E78 #711778 #784117 #1E7817

split-complementary

#174E78 #78171E #787117

monochromatic

#05111A #0D2D45 #174E78 #216FAB #3290D8

Accessibility & contrast

On white

8.76

#174E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#174E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E78

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E78	#FFFFFF	#000000	##FFFFFF
##174E78	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507A

Deuteranopia (green-blind)

#2D4777

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174e78;
/* rgb */ color: rgb(23, 78, 120);
/* oklch */ color: oklch(41.0% 0.090 245.9);

Tailwind

colors: {
  custom: {
    50: '#647f9f',
    500: '#174e78',
    950: '#000000',
  },
}

SCSS

$custom: #174e78;
$custom-light: #647f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#174e78",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 120
  },
  "hsl": {
    "h": 205.979,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41041,
    "c": 0.09008,
    "h": 245.9
  },
  "luminance": 0.06987
}

Semantic roles & 50–950 ramp

primary

#174E78

secondary

#AD6E3E

accent

#883DEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174E78

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

Preview Lab → · Contrast checker → · Palette generator →