#173E69#173E69

#173E69 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.087 H 253.2°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX#173E69
RGBrgb(23, 62, 105)
HSLhsl(211, 64%, 25%)
HSVhsv(211, 78%, 41%)
CMYKcmyk(78.1%, 41%, 0%, 58.8%)
CIE-LABlab(25.70, 2.78, -29.08)
CIE-LCHlch(25.70, 29.21, 275.46°)
OKLaboklab(35.99% -0.025 -0.0829)
OKLCHoklch(35.99% 0.087 253.2)
XYZxyz(4.6248, 4.6468, 14.0150)
Luminance0.0465 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#173E69 #694217
analogous
#176769 #173E69 #191769
triadic
#173E69 #69173E #3E6917
tetradic
#173E69 #691767 #694217 #176919
square
#173E69 #691767 #694217 #176919
split-complementary
#173E69 #691917 #676917
monochromatic
#050F19 #0C2037 #173E69 #225C9B #2D79CD

Accessibility & contrast

On white

10.88
#173E69 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#173E69 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E69
10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##173E69#FFFFFF#000000##FFFFFF
##173E691.0010.881.9310.88
#FFFFFF10.881.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A416B
Deuteranopia (green-blind)
#1D3968
Tritanopia (blue-blind)
#00484E
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #173e69;
/* rgb */ color: rgb(23, 62, 105);
/* oklch */ color: oklch(36.0% 0.087 253.2);
Tailwind
colors: {
  custom: {
    50: '#617294',
    500: '#173e69',
    950: '#000000',
  },
}
SCSS
$custom: #173e69;
$custom-light: #617294;
$custom-dark: #000000;
JSON
{
  "hex": "#173e69",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 105
  },
  "hsl": {
    "h": 211.463,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35992,
    "c": 0.08659,
    "h": 253.2
  },
  "luminance": 0.04647
}

Semantic roles & 50–950 ramp

primary
#173E69
secondary
#9F703D
accent
#9841E7
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#05080D
muted
#7A7B7E

Preview Lab

Preview with #173E69

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

Preview Lab → · Contrast checker → · Palette generator →

#173E69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva