#197D9A#197D9A

#197D9A is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 54.9% C 0.096 H 223.1°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#197D9A
RGB	rgb(25, 125, 154)
HSL	hsl(193, 72%, 35%)
HSV	hsv(193, 84%, 60%)
CMYK	cmyk(83.8%, 18.8%, 0%, 39.6%)
CIE-LAB	lab(48.52, -16.80, -23.34)
CIE-LCH	lch(48.52, 28.76, 234.25°)
OKLab	oklab(54.92% -0.0699 -0.0655)
OKLCH	oklch(54.92% 0.096 223.1)
XYZ	xyz(13.5648, 17.2053, 33.1716)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#197D9A #9A3619

analogous

#199A76 #197D9A #193D9A

triadic

#197D9A #9A197D #7D9A19

tetradic

#197D9A #76199A #9A3619 #3D9A19

square

#197D9A #76199A #9A3619 #3D9A19

split-complementary

#197D9A #9A193D #9A7619

monochromatic

#082831 #105265 #197D9A #22A8CF #4CC0E2

Accessibility & contrast

On white

4.73

#197D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#197D9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #197D9A

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##197D9A	#FFFFFF	#000000	##FFFFFF
##197D9A	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9B

Deuteranopia (green-blind)

#5C6E9A

Tritanopia (blue-blind)

#008686

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #197d9a;
/* rgb */ color: rgb(25, 125, 154);
/* oklch */ color: oklch(54.9% 0.096 223.1);

Tailwind

colors: {
  custom: {
    50: '#6ea2b7',
    500: '#197d9a',
    950: '#000000',
  },
}

SCSS

$custom: #197d9a;
$custom-light: #6ea2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#197d9a",
  "rgb": {
    "r": 25,
    "g": 125,
    "b": 154
  },
  "hsl": {
    "h": 193.488,
    "s": 72.067,
    "l": 35.098
  },
  "oklch": {
    "l": 0.54923,
    "c": 0.09579,
    "h": 223.1
  },
  "luminance": 0.17207
}

Semantic roles & 50–950 ramp

primary

#197D9A

secondary

#C4664B

accent

#6239EF

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #197D9A

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

Preview Lab → · Contrast checker → · Palette generator →