#174E81#174E81

#174E81 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.102 H 250.5°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX#174E81
RGBrgb(23, 78, 129)
HSLhsl(209, 70%, 30%)
HSVhsv(209, 82%, 51%)
CMYKcmyk(82.2%, 39.5%, 0%, 49.4%)
CIE-LABlab(32.29, 1.82, -33.72)
CIE-LCHlch(32.29, 33.77, 273.08°)
OKLaboklab(41.62% -0.0341 -0.0962)
OKLCHoklch(41.62% 0.102 250.5)
XYZxyz(7.0387, 7.2151, 21.7863)
Luminance0.0722 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174E81 #814A17
analogous
#17817F #174E81 #171981
triadic
#174E81 #81174E #4E8117
tetradic
#174E81 #7F1781 #814A17 #198117
square
#174E81 #7F1781 #814A17 #198117
split-complementary
#174E81 #811719 #817F17
monochromatic
#05101A #0E2F4D #174E81 #206DB5 #378CDB

Accessibility & contrast

On white

8.60
#174E81 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#174E81 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E81
8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174E81#FFFFFF#000000##FFFFFF
##174E811.008.602.448.60
#FFFFFF8.601.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#365183
Deuteranopia (green-blind)
#254880
Tritanopia (blue-blind)
#005A61
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #174e81;
/* rgb */ color: rgb(23, 78, 129);
/* oklch */ color: oklch(41.6% 0.102 250.5);
Tailwind
colors: {
  custom: {
    50: '#667fa6',
    500: '#174e81',
    950: '#000000',
  },
}
SCSS
$custom: #174e81;
$custom-light: #667fa6;
$custom-dark: #000000;
JSON
{
  "hex": "#174e81",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 208.868,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41615,
    "c": 0.10208,
    "h": 250.5
  },
  "luminance": 0.07216
}

Semantic roles & 50–950 ramp

primary
#174E81
secondary
#B5783E
accent
#913BED
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #174E81

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

Preview Lab → · Contrast checker → · Palette generator →

#174E81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva