#17478A#17478A

#17478A is a dark, vivid cyan. Relative luminance 0.065; OKLCH L 40.6% C 0.123 H 257.8°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX#17478A
RGBrgb(23, 71, 138)
HSLhsl(215, 71%, 32%)
HSVhsv(215, 83%, 54%)
CMYKcmyk(83.3%, 48.6%, 0%, 45.9%)
CIE-LABlab(30.69, 10.22, -41.83)
CIE-LCHlch(30.69, 43.06, 283.72°)
OKLaboklab(40.56% -0.0259 -0.1202)
OKLCHoklch(40.56% 0.123 257.8)
XYZxyz(7.1923, 6.5227, 24.9198)
Luminance0.0652 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17478A #8A5A17
analogous
#17818A #17478A #21178A
triadic
#17478A #8A1747 #478A17
tetradic
#17478A #8A1781 #8A5A17 #178A21
square
#17478A #8A1781 #8A5A17 #178A21
split-complementary
#17478A #8A2117 #818A17
monochromatic
#061121 #0E2C56 #17478A #2062BE #3D80DF

Accessibility & contrast

On white

9.11
#17478A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#17478A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17478A
9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17478A#FFFFFF#000000##FFFFFF
##17478A1.009.112.309.11
#FFFFFF9.111.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#214E8D
Deuteranopia (green-blind)
#004389
Tritanopia (blue-blind)
#005762
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #17478a;
/* rgb */ color: rgb(23, 71, 138);
/* oklch */ color: oklch(40.6% 0.123 257.8);
Tailwind
colors: {
  custom: {
    50: '#6979ad',
    500: '#17478a',
    950: '#000000',
  },
}
SCSS
$custom: #17478a;
$custom-light: #6979ad;
$custom-dark: #000000;
JSON
{
  "hex": "#17478a",
  "rgb": {
    "r": 23,
    "g": 71,
    "b": 138
  },
  "hsl": {
    "h": 214.957,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40561,
    "c": 0.12298,
    "h": 257.8
  },
  "luminance": 0.06524
}

Semantic roles & 50–950 ramp

primary
#17478A
secondary
#BE893F
accent
#A33AEE
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #17478A

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

Preview Lab → · Contrast checker → · Palette generator →

#17478A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva