#17517D#17517D

#17517D is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.094 H 246.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#17517D
RGBrgb(23, 81, 125)
HSLhsl(206, 69%, 29%)
HSVhsv(206, 82%, 49%)
CMYKcmyk(81.6%, 35.2%, 0%, 51%)
CIE-LABlab(33.02, -1.75, -30.08)
CIE-LCHlch(33.02, 30.14, 266.67°)
OKLaboklab(42.11% -0.0381 -0.0855)
OKLCHoklch(42.11% 0.094 246)
XYZxyz(6.9960, 7.5468, 20.4860)
Luminance0.0755 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17517D #7D4317
analogous
#177D76 #17517D #171E7D
triadic
#17517D #7D1751 #517D17
tetradic
#17517D #76177D #7D4317 #1E7D17
square
#17517D #76177D #7D4317 #1E7D17
split-complementary
#17517D #7D171E #7D7617
monochromatic
#05111A #0D3049 #17517D #2172B1 #3593DA

Accessibility & contrast

On white

8.37
#17517D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#17517D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17517D
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17517D#FFFFFF#000000##FFFFFF
##17517D1.008.372.518.37
#FFFFFF8.371.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C537F
Deuteranopia (green-blind)
#2E497C
Tritanopia (blue-blind)
#005C61
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #17517d;
/* rgb */ color: rgb(23, 81, 125);
/* oklch */ color: oklch(42.1% 0.094 246.0);
Tailwind
colors: {
  custom: {
    50: '#6581a3',
    500: '#17517d',
    950: '#000000',
  },
}
SCSS
$custom: #17517d;
$custom-light: #6581a3;
$custom-dark: #000000;
JSON
{
  "hex": "#17517d",
  "rgb": {
    "r": 23,
    "g": 81,
    "b": 125
  },
  "hsl": {
    "h": 205.882,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42113,
    "c": 0.09364,
    "h": 246
  },
  "luminance": 0.07548
}

Semantic roles & 50–950 ramp

primary
#17517D
secondary
#B2703E
accent
#883CEC
background
#F6F7FA
surface
#EBEEF3
border
#C6C9CD
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #17517D

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

Preview Lab → · Contrast checker → · Palette generator →

#17517D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva