#174B7E#174B7E

#174B7E is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.7% C 0.101 H 251.5°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX#174B7E
RGBrgb(23, 75, 126)
HSLhsl(210, 69%, 29%)
HSVhsv(210, 82%, 49%)
CMYKcmyk(81.7%, 40.5%, 0%, 50.6%)
CIE-LABlab(31.16, 2.59, -33.66)
CIE-LCHlch(31.16, 33.76, 274.39°)
OKLaboklab(40.67% -0.0321 -0.0961)
OKLCHoklch(40.67% 0.101 251.5)
XYZxyz(6.6339, 6.7199, 20.6820)
Luminance0.0672 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#174B7E #7E4A17
analogous
#177E7E #174B7E #17177E
triadic
#174B7E #7E174B #4B7E17
tetradic
#174B7E #7E177E #7E4A17 #177E17
square
#174B7E #7E177E #7E4A17 #177E17
split-complementary
#174B7E #7E1717 #7E7E17
monochromatic
#050F1A #0E2C4A #174B7E #206AB2 #3589DA

Accessibility & contrast

On white

8.96
#174B7E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#174B7E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B7E
8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##174B7E#FFFFFF#000000##FFFFFF
##174B7E1.008.962.348.96
#FFFFFF8.961.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#334E80
Deuteranopia (green-blind)
#22457D
Tritanopia (blue-blind)
#00575E
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #174b7e;
/* rgb */ color: rgb(23, 75, 126);
/* oklch */ color: oklch(40.7% 0.101 251.5);
Tailwind
colors: {
  custom: {
    50: '#667ca4',
    500: '#174b7e',
    950: '#000000',
  },
}
SCSS
$custom: #174b7e;
$custom-light: #667ca4;
$custom-dark: #000000;
JSON
{
  "hex": "#174b7e",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 126
  },
  "hsl": {
    "h": 209.709,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.40672,
    "c": 0.10132,
    "h": 251.5
  },
  "luminance": 0.06721
}

Semantic roles & 50–950 ramp

primary
#174B7E
secondary
#B3783E
accent
#933CEC
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#07090F
muted
#7A7B7F

Preview Lab

Preview with #174B7E

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

Preview Lab → · Contrast checker → · Palette generator →

#174B7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva