#174B7F#174B7F

#174B7F is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.7% C 0.103 H 251.9°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX#174B7F
RGBrgb(23, 75, 127)
HSLhsl(210, 69%, 29%)
HSVhsv(210, 82%, 50%)
CMYKcmyk(81.9%, 40.9%, 0%, 50.2%)
CIE-LABlab(31.22, 2.99, -34.18)
CIE-LCHlch(31.22, 34.31, 275.00°)
OKLaboklab(40.74% -0.0318 -0.0976)
OKLCHoklch(40.74% 0.103 251.9)
XYZxyz(6.6987, 6.7458, 21.0236)
Luminance0.0675 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174B7F #7F4B17
analogous
#177F7F #174B7F #17177F
triadic
#174B7F #7F174B #4B7F17
tetradic
#174B7F #7F177F #7F4B17 #177F17
square
#174B7F #7F177F #7F4B17 #177F17
split-complementary
#174B7F #7F1717 #7F7F17
monochromatic
#050F1A #0E2C4B #174B7F #206AB3 #3688DB

Accessibility & contrast

On white

8.94
#174B7F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#174B7F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B7F
8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174B7F#FFFFFF#000000##FFFFFF
##174B7F1.008.942.358.94
#FFFFFF8.941.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#324F81
Deuteranopia (green-blind)
#21457E
Tritanopia (blue-blind)
#00575F
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #174b7f;
/* rgb */ color: rgb(23, 75, 127);
/* oklch */ color: oklch(40.7% 0.103 251.9);
Tailwind
colors: {
  custom: {
    50: '#667ca4',
    500: '#174b7f',
    950: '#000000',
  },
}
SCSS
$custom: #174b7f;
$custom-light: #667ca4;
$custom-dark: #000000;
JSON
{
  "hex": "#174b7f",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 127
  },
  "hsl": {
    "h": 210,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.40739,
    "c": 0.1027,
    "h": 251.9
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary
#174B7F
secondary
#B4793E
accent
#943CEC
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#07090F
muted
#7A7B7F

Preview Lab

Preview with #174B7F

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

Preview Lab → · Contrast checker → · Palette generator →

#174B7F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva