#174E77#174E77

#174E77 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.089 H 245.3°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX#174E77
RGBrgb(23, 78, 119)
HSLhsl(206, 68%, 28%)
HSVhsv(206, 81%, 47%)
CMYKcmyk(80.7%, 34.5%, 0%, 53.3%)
CIE-LABlab(31.72, -2.21, -28.41)
CIE-LCHlch(31.72, 28.49, 265.55°)
OKLaboklab(40.98% -0.037 -0.0807)
OKLCHoklch(40.98% 0.089 245.3)
XYZxyz(6.4062, 6.9621, 18.4554)
Luminance0.0696 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174E77 #774017
analogous
#177770 #174E77 #171E77
triadic
#174E77 #77174E #4E7717
tetradic
#174E77 #701777 #774017 #1E7717
square
#174E77 #701777 #774017 #1E7717
split-complementary
#174E77 #77171E #777017
monochromatic
#05111A #0D2C44 #174E77 #2170AA #3190D7

Accessibility & contrast

On white

8.78
#174E77 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#174E77 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E77
8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174E77#FFFFFF#000000##FFFFFF
##174E771.008.782.398.78
#FFFFFF8.781.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B4F79
Deuteranopia (green-blind)
#2D4776
Tritanopia (blue-blind)
#00585D
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #174e77;
/* rgb */ color: rgb(23, 78, 119);
/* oklch */ color: oklch(41.0% 0.089 245.3);
Tailwind
colors: {
  custom: {
    50: '#647f9e',
    500: '#174e77',
    950: '#000000',
  },
}
SCSS
$custom: #174e77;
$custom-light: #647f9e;
$custom-dark: #000000;
JSON
{
  "hex": "#174e77",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 119
  },
  "hsl": {
    "h": 205.625,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.4098,
    "c": 0.08878,
    "h": 245.3
  },
  "luminance": 0.06963
}

Semantic roles & 50–950 ramp

primary
#174E77
secondary
#AC6D3E
accent
#873DEA
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0E
muted
#7A7C7E

Preview Lab

Preview with #174E77

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

Preview Lab → · Contrast checker → · Palette generator →

#174E77 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva