#17738B#17738B

#17738B is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.6% C 0.088 H 220.6°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#17738B
RGBrgb(23, 115, 139)
HSLhsl(192, 72%, 32%)
HSVhsv(192, 83%, 55%)
CMYKcmyk(83.5%, 17.3%, 0%, 45.5%)
CIE-LABlab(44.67, -16.80, -20.42)
CIE-LCHlch(44.67, 26.44, 230.56°)
OKLaboklab(51.62% -0.0668 -0.0572)
OKLCHoklch(51.62% 0.088 220.6)
XYZxyz(11.1423, 14.3063, 26.5952)
Luminance0.1431 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17738B #8B2F17
analogous
#178B69 #17738B #17398B
triadic
#17738B #8B1773 #738B17
tetradic
#17738B #69178B #8B2F17 #398B17
square
#17738B #69178B #8B2F17 #398B17
split-complementary
#17738B #8B1739 #8B6917
monochromatic
#061C22 #0E4856 #17738B #209EC0 #3DBEDF

Accessibility & contrast

On white

5.44
#17738B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#17738B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17738B
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17738B#FFFFFF#000000##FFFFFF
##17738B1.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#65708C
Deuteranopia (green-blind)
#55658B
Tritanopia (blue-blind)
#007B7B
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #17738b;
/* rgb */ color: rgb(23, 115, 139);
/* oklch */ color: oklch(51.6% 0.088 220.6);
Tailwind
colors: {
  custom: {
    50: '#6a9bad',
    500: '#17738b',
    950: '#000000',
  },
}
SCSS
$custom: #17738b;
$custom-light: #6a9bad;
$custom-dark: #000000;
JSON
{
  "hex": "#17738b",
  "rgb": {
    "r": 23,
    "g": 115,
    "b": 139
  },
  "hsl": {
    "h": 192.414,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.51615,
    "c": 0.08793,
    "h": 220.6
  },
  "luminance": 0.14308
}

Semantic roles & 50–950 ramp

primary
#17738B
secondary
#BF5A3F
accent
#5F39EE
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #17738B

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

Preview Lab → · Contrast checker → · Palette generator →

#17738B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva