#17758B#17758B

#17758B is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.1% C 0.088 H 218.3°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#17758B
RGBrgb(23, 117, 139)
HSLhsl(191, 72%, 32%)
HSVhsv(191, 83%, 55%)
CMYKcmyk(83.5%, 15.8%, 0%, 45.5%)
CIE-LABlab(45.31, -17.90, -19.43)
CIE-LCHlch(45.31, 26.42, 227.34°)
OKLaboklab(52.13% -0.0688 -0.0543)
OKLCHoklch(52.13% 0.088 218.3)
XYZxyz(11.3728, 14.7674, 26.6721)
Luminance0.1477 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17758B #8B2D17
analogous
#178B67 #17758B #173B8B
triadic
#17758B #8B1775 #758B17
tetradic
#17758B #67178B #8B2D17 #3B8B17
square
#17758B #67178B #8B2D17 #3B8B17
split-complementary
#17758B #8B173B #8B6717
monochromatic
#061D22 #0E4956 #17758B #20A1C0 #3DC0DF

Accessibility & contrast

On white

5.31
#17758B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#17758B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17758B
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17758B#FFFFFF#000000##FFFFFF
##17758B1.005.313.955.31
#FFFFFF5.311.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#67718C
Deuteranopia (green-blind)
#58678B
Tritanopia (blue-blind)
#007C7C
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #17758b;
/* rgb */ color: rgb(23, 117, 139);
/* oklch */ color: oklch(52.1% 0.088 218.3);
Tailwind
colors: {
  custom: {
    50: '#6b9dad',
    500: '#17758b',
    950: '#000000',
  },
}
SCSS
$custom: #17758b;
$custom-light: #6b9dad;
$custom-dark: #000000;
JSON
{
  "hex": "#17758b",
  "rgb": {
    "r": 23,
    "g": 117,
    "b": 139
  },
  "hsl": {
    "h": 191.379,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52134,
    "c": 0.08767,
    "h": 218.3
  },
  "luminance": 0.14769
}

Semantic roles & 50–950 ramp

primary
#17758B
secondary
#BF573F
accent
#5C39EE
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #17758B

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

Preview Lab → · Contrast checker → · Palette generator →

#17758B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva