#17518C#17518C

#17518C is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.114 H 252.6°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX#17518C
RGBrgb(23, 81, 140)
HSLhsl(210, 72%, 32%)
HSVhsv(210, 84%, 55%)
CMYKcmyk(83.6%, 42.1%, 0%, 45.1%)
CIE-LABlab(33.90, 4.29, -37.92)
CIE-LCHlch(33.90, 38.16, 276.46°)
OKLaboklab(43.09% -0.034 -0.1085)
OKLCHoklch(43.09% 0.114 252.6)
XYZxyz(8.0276, 7.9595, 25.9191)
Luminance0.0796 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17518C #8C5217
analogous
#178C8C #17518C #17178C
triadic
#17518C #8C1751 #518C17
tetradic
#17518C #8C178C #8C5217 #178C17
square
#17518C #8C178C #8C5217 #178C17
split-complementary
#17518C #8C1717 #8C8C17
monochromatic
#061423 #0E3357 #17518C #206FC1 #3E8EDF

Accessibility & contrast

On white

8.10
#17518C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#17518C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17518C
8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17518C#FFFFFF#000000##FFFFFF
##17518C1.008.102.598.10
#FFFFFF8.101.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#34558E
Deuteranopia (green-blind)
#204B8B
Tritanopia (blue-blind)
#005F67
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #17518c;
/* rgb */ color: rgb(23, 81, 140);
/* oklch */ color: oklch(43.1% 0.114 252.6);
Tailwind
colors: {
  custom: {
    50: '#6981ae',
    500: '#17518c',
    950: '#000000',
  },
}
SCSS
$custom: #17518c;
$custom-light: #6981ae;
$custom-dark: #000000;
JSON
{
  "hex": "#17518c",
  "rgb": {
    "r": 23,
    "g": 81,
    "b": 140
  },
  "hsl": {
    "h": 210.256,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43087,
    "c": 0.1137,
    "h": 252.6
  },
  "luminance": 0.0796
}

Semantic roles & 50–950 ramp

primary
#17518C
secondary
#BF803F
accent
#9539EF
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #17518C

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

Preview Lab → · Contrast checker → · Palette generator →

#17518C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva