#17778B#17778B

#17778B is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.7% C 0.088 H 216.0°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#17778B
RGBrgb(23, 119, 139)
HSLhsl(190, 72%, 32%)
HSVhsv(190, 83%, 55%)
CMYKcmyk(83.5%, 14.4%, 0%, 45.5%)
CIE-LABlab(45.96, -18.99, -18.44)
CIE-LCHlch(45.96, 26.47, 224.15°)
OKLaboklab(52.65% -0.0708 -0.0515)
OKLCHoklch(52.65% 0.088 216)
XYZxyz(11.6084, 15.2384, 26.7506)
Luminance0.1524 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17778B #8B2B17
analogous
#178B65 #17778B #173D8B
triadic
#17778B #8B1777 #778B17
tetradic
#17778B #65178B #8B2B17 #3D8B17
square
#17778B #65178B #8B2B17 #3D8B17
split-complementary
#17778B #8B173D #8B6517
monochromatic
#061D22 #0E4A56 #17778B #20A4C0 #3DC3DF

Accessibility & contrast

On white

5.19
#17778B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.05
#17778B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17778B
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17778B#FFFFFF#000000##FFFFFF
##17778B1.005.194.055.19
#FFFFFF5.191.0021.001.00
#0000004.0521.001.0021.00
##FFFFFF5.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#69738C
Deuteranopia (green-blind)
#5A688B
Tritanopia (blue-blind)
#007E7D
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #17778b;
/* rgb */ color: rgb(23, 119, 139);
/* oklch */ color: oklch(52.7% 0.088 216.0);
Tailwind
colors: {
  custom: {
    50: '#6b9ead',
    500: '#17778b',
    950: '#000000',
  },
}
SCSS
$custom: #17778b;
$custom-light: #6b9ead;
$custom-dark: #000000;
JSON
{
  "hex": "#17778b",
  "rgb": {
    "r": 23,
    "g": 119,
    "b": 139
  },
  "hsl": {
    "h": 190.345,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52654,
    "c": 0.08757,
    "h": 216
  },
  "luminance": 0.1524
}

Semantic roles & 50–950 ramp

primary
#17778B
secondary
#BF553F
accent
#5939EE
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #17778B

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

Preview Lab → · Contrast checker → · Palette generator →

#17778B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva