#197D99#197D99

#197D99 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 54.9% C 0.095 H 222.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#197D99
RGB	rgb(25, 125, 153)
HSL	hsl(193, 72%, 35%)
HSV	hsv(193, 84%, 60%)
CMYK	cmyk(83.7%, 18.3%, 0%, 40%)
CIE-LAB	lab(48.48, -17.15, -22.82)
CIE-LCH	lch(48.48, 28.55, 233.06°)
OKLab	oklab(54.88% -0.0703 -0.064)
OKLCH	oklch(54.88% 0.095 222.3)
XYZ	xyz(13.4819, 17.1721, 32.7348)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#197D99 #993519

analogous

#199975 #197D99 #193D99

triadic

#197D99 #99197D #7D9919

tetradic

#197D99 #751999 #993519 #3D9919

square

#197D99 #751999 #993519 #3D9919

split-complementary

#197D99 #99193D #997519

monochromatic

#082730 #105264 #197D99 #22A8CE #4BC1E2

Accessibility & contrast

On white

4.74

#197D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#197D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #197D99

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##197D99	#FFFFFF	#000000	##FFFFFF
##197D99	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9A

Deuteranopia (green-blind)

#5C6E99

Tritanopia (blue-blind)

#008686

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #197d99;
/* rgb */ color: rgb(25, 125, 153);
/* oklch */ color: oklch(54.9% 0.095 222.3);

Tailwind

colors: {
  custom: {
    50: '#6ea2b7',
    500: '#197d99',
    950: '#000000',
  },
}

SCSS

$custom: #197d99;
$custom-light: #6ea2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#197d99",
  "rgb": {
    "r": 25,
    "g": 125,
    "b": 153
  },
  "hsl": {
    "h": 193.125,
    "s": 71.91,
    "l": 34.902
  },
  "oklch": {
    "l": 0.54876,
    "c": 0.09507,
    "h": 222.3
  },
  "luminance": 0.17174
}

Semantic roles & 50–950 ramp

primary

#197D99

secondary

#C3654A

accent

#6139EF

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#080F11

muted

#7B7F80

Preview Lab

Preview with #197D99

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

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