#174A90#174A90

#174A90 is a dark, vivid cyan. Relative luminance 0.071; OKLCH L 41.7% C 0.128 H 257.7°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#174A90
RGB	rgb(23, 74, 144)
HSL	hsl(215, 72%, 33%)
HSV	hsv(215, 84%, 56%)
CMYK	cmyk(84%, 48.6%, 0%, 43.5%)
CIE-LAB	lab(32.02, 10.63, -43.38)
CIE-LCH	lch(32.02, 44.67, 283.77°)
OKLab	oklab(41.71% -0.0273 -0.1247)
OKLCH	oklch(41.71% 0.128 257.7)
XYZ	xyz(7.8343, 7.0924, 27.3362)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A90 #905D17

analogous

#178690 #174A90 #211790

triadic

#174A90 #90174A #4A9017

tetradic

#174A90 #901786 #905D17 #179021

square

#174A90 #901786 #905D17 #179021

split-complementary

#174A90 #902117 #869017

monochromatic

#061426 #0F2F5B #174A90 #1F65C5 #4184E1

Accessibility & contrast

On white

8.68

#174A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#174A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A90

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A90	#FFFFFF	#000000	##FFFFFF
##174A90	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225193

Deuteranopia (green-blind)

#00468F

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174a90;
/* rgb */ color: rgb(23, 74, 144);
/* oklch */ color: oklch(41.7% 0.128 257.7);

Tailwind

colors: {
  custom: {
    50: '#6a7bb1',
    500: '#174a90',
    950: '#000000',
  },
}

SCSS

$custom: #174a90;
$custom-light: #6a7bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#174a90",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 144
  },
  "hsl": {
    "h": 214.711,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.41712,
    "c": 0.12767,
    "h": 257.7
  },
  "luminance": 0.07093
}

Semantic roles & 50–950 ramp

primary

#174A90

secondary

#C18B42

accent

#A239EF

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080911

muted

#7A7B80

Preview Lab

Preview with #174A90

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

Preview Lab → · Contrast checker → · Palette generator →