#197E99#197E99

#197E99 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.1% C 0.095 H 221.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#197E99
RGBrgb(25, 126, 153)
HSLhsl(193, 72%, 35%)
HSVhsv(193, 84%, 60%)
CMYKcmyk(83.7%, 17.6%, 0%, 40%)
CIE-LABlab(48.79, -17.70, -22.33)
CIE-LCHlch(48.79, 28.49, 231.59°)
OKLaboklab(55.13% -0.0713 -0.0626)
OKLCHoklch(55.13% 0.095 221.3)
XYZxyz(13.6091, 17.4266, 32.7772)
Luminance0.1743 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#197E99 #993419
analogous
#199974 #197E99 #193E99
triadic
#197E99 #99197E #7E9919
tetradic
#197E99 #741999 #993419 #3E9919
square
#197E99 #741999 #993419 #3E9919
split-complementary
#197E99 #99193E #997419
monochromatic
#082730 #105364 #197E99 #22A9CE #4BC2E2

Accessibility & contrast

On white

4.68
#197E99 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.49
#197E99 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #197E99
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##197E99#FFFFFF#000000##FFFFFF
##197E991.004.684.494.68
#FFFFFF4.681.0021.001.00
#0000004.4921.001.0021.00
##FFFFFF4.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E7B9A
Deuteranopia (green-blind)
#5D6F99
Tritanopia (blue-blind)
#008787
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #197e99;
/* rgb */ color: rgb(25, 126, 153);
/* oklch */ color: oklch(55.1% 0.095 221.3);
Tailwind
colors: {
  custom: {
    50: '#6ea3b7',
    500: '#197e99',
    950: '#000000',
  },
}
SCSS
$custom: #197e99;
$custom-light: #6ea3b7;
$custom-dark: #000000;
JSON
{
  "hex": "#197e99",
  "rgb": {
    "r": 25,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 192.656,
    "s": 71.91,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55131,
    "c": 0.09487,
    "h": 221.3
  },
  "luminance": 0.17428
}

Semantic roles & 50–950 ramp

primary
#197E99
secondary
#C3644A
accent
#5F39EF
background
#F7FAFB
surface
#EDF3F6
border
#C8CDD0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #197E99

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

Preview Lab → · Contrast checker → · Palette generator →

#197E99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva