#174B75#174B75

#174B75 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.1% C 0.089 H 247.1°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX#174B75
RGBrgb(23, 75, 117)
HSLhsl(207, 67%, 27%)
HSVhsv(207, 80%, 46%)
CMYKcmyk(80.3%, 35.9%, 0%, 54.1%)
CIE-LABlab(30.64, -1.06, -28.87)
CIE-LCHlch(30.64, 28.89, 267.90°)
OKLaboklab(40.09% -0.0347 -0.0821)
OKLCHoklch(40.09% 0.089 247.1)
XYZxyz(6.0791, 6.4979, 17.7600)
Luminance0.0650 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174B75 #754117
analogous
#177570 #174B75 #171C75
triadic
#174B75 #75174B #4B7517
tetradic
#174B75 #701775 #754117 #1C7517
square
#174B75 #701775 #754117 #1C7517
split-complementary
#174B75 #75171C #757017
monochromatic
#05101A #0D2A42 #174B75 #216CA8 #308CD6

Accessibility & contrast

On white

9.13
#174B75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#174B75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B75
9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174B75#FFFFFF#000000##FFFFFF
##174B751.009.132.309.13
#FFFFFF9.131.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#384D77
Deuteranopia (green-blind)
#2A4474
Tritanopia (blue-blind)
#00555A
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #174b75;
/* rgb */ color: rgb(23, 75, 117);
/* oklch */ color: oklch(40.1% 0.089 247.1);
Tailwind
colors: {
  custom: {
    50: '#637d9d',
    500: '#174b75',
    950: '#000000',
  },
}
SCSS
$custom: #174b75;
$custom-light: #637d9d;
$custom-dark: #000000;
JSON
{
  "hex": "#174b75",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 117
  },
  "hsl": {
    "h": 206.809,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.40089,
    "c": 0.0891,
    "h": 247.1
  },
  "luminance": 0.06499
}

Semantic roles & 50–950 ramp

primary
#174B75
secondary
#AA6E3D
accent
#8B3EEA
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#06090E
muted
#7A7B7E

Preview Lab

Preview with #174B75

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

Preview Lab → · Contrast checker → · Palette generator →

#174B75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva