#174F78#174F78

#174F78 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.089 H 245.0°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#174F78
RGB	rgb(23, 79, 120)
HSL	hsl(205, 68%, 28%)
HSV	hsv(205, 81%, 47%)
CMYK	cmyk(80.8%, 34.2%, 0%, 52.9%)
CIE-LAB	lab(32.10, -2.46, -28.43)
CIE-LCH	lch(32.10, 28.54, 265.06°)
OKLab	oklab(41.3% -0.0377 -0.0807)
OKLCH	oklch(41.3% 0.089 245)
XYZ	xyz(6.5382, 7.1294, 18.7972)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F78 #784017

analogous

#177870 #174F78 #171E78

triadic

#174F78 #78174F #4F7817

tetradic

#174F78 #701778 #784017 #1E7817

square

#174F78 #701778 #784017 #1E7817

split-complementary

#174F78 #78171E #787017

monochromatic

#05111A #0D2D45 #174F78 #2171AB #3292D8

Accessibility & contrast

On white

8.66

#174F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#174F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F78

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F78	#FFFFFF	#000000	##FFFFFF
##174F78	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C507A

Deuteranopia (green-blind)

#2E4777

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174f78;
/* rgb */ color: rgb(23, 79, 120);
/* oklch */ color: oklch(41.3% 0.089 245.0);

Tailwind

colors: {
  custom: {
    50: '#64809f',
    500: '#174f78',
    950: '#000000',
  },
}

SCSS

$custom: #174f78;
$custom-light: #64809f;
$custom-dark: #000000;

JSON

{
  "hex": "#174f78",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 120
  },
  "hsl": {
    "h": 205.361,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41297,
    "c": 0.08911,
    "h": 245
  },
  "luminance": 0.0713
}

Semantic roles & 50–950 ramp

primary

#174F78

secondary

#AD6D3E

accent

#863DEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174F78

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

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