#17508D#17508D

#17508D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.9% C 0.116 H 253.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#17508D
RGBrgb(23, 80, 141)
HSLhsl(211, 72%, 32%)
HSVhsv(211, 84%, 55%)
CMYKcmyk(83.7%, 43.3%, 0%, 44.7%)
CIE-LABlab(33.65, 5.37, -38.93)
CIE-LCHlch(33.65, 39.29, 277.85°)
OKLaboklab(42.91% -0.0329 -0.1115)
OKLCHoklch(42.91% 0.116 253.6)
XYZxyz(8.0279, 7.8416, 26.2846)
Luminance0.0784 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17508D #8D5417
analogous
#178B8D #17508D #19178D
triadic
#17508D #8D1750 #508D17
tetradic
#17508D #8D178B #8D5417 #178D19
square
#17508D #8D178B #8D5417 #178D19
split-complementary
#17508D #8D1917 #8B8D17
monochromatic
#061424 #0E3258 #17508D #206EC2 #3F8CE0

Accessibility & contrast

On white

8.18
#17508D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#17508D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17508D
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17508D#FFFFFF#000000##FFFFFF
##17508D1.008.182.578.18
#FFFFFF8.181.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#31558F
Deuteranopia (green-blind)
#1C4A8C
Tritanopia (blue-blind)
#005F67
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #17508d;
/* rgb */ color: rgb(23, 80, 141);
/* oklch */ color: oklch(42.9% 0.116 253.6);
Tailwind
colors: {
  custom: {
    50: '#6980af',
    500: '#17508d',
    950: '#000000',
  },
}
SCSS
$custom: #17508d;
$custom-light: #6980af;
$custom-dark: #000000;
JSON
{
  "hex": "#17508d",
  "rgb": {
    "r": 23,
    "g": 80,
    "b": 141
  },
  "hsl": {
    "h": 211.017,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42914,
    "c": 0.11623,
    "h": 253.6
  },
  "luminance": 0.07843
}

Semantic roles & 50–950 ramp

primary
#17508D
secondary
#C08240
accent
#9739EF
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #17508D

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

Preview Lab → · Contrast checker → · Palette generator →

#17508D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva