#197B9E#197B9E

#197B9E is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.6% C 0.100 H 228.2°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#197B9E
RGB	rgb(25, 123, 158)
HSL	hsl(196, 73%, 36%)
HSV	hsv(196, 84%, 62%)
CMYK	cmyk(84.2%, 22.2%, 0%, 38%)
CIE-LAB	lab(48.06, -14.25, -26.39)
CIE-LCH	lch(48.06, 29.99, 241.63°)
OKLab	oklab(54.61% -0.0664 -0.0743)
OKLCH	oklch(54.61% 0.1 228.2)
XYZ	xyz(13.6529, 16.8395, 34.8719)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#197B9E #9E3C19

analogous

#199E7E #197B9E #19399E

triadic

#197B9E #9E197B #7B9E19

tetradic

#197B9E #7E199E #9E3C19 #399E19

square

#197B9E #7E199E #9E3C19 #399E19

split-complementary

#197B9E #9E1939 #9E7E19

monochromatic

#082934 #115269 #197B9E #21A4D3 #4EBCE3

Accessibility & contrast

On white

4.81

#197B9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#197B9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #197B9E

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##197B9E	#FFFFFF	#000000	##FFFFFF
##197B9E	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6979A0

Deuteranopia (green-blind)

#576D9E

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #197b9e;
/* rgb */ color: rgb(25, 123, 158);
/* oklch */ color: oklch(54.6% 0.100 228.2);

Tailwind

colors: {
  custom: {
    50: '#6fa1ba',
    500: '#197b9e',
    950: '#000000',
  },
}

SCSS

$custom: #197b9e;
$custom-light: #6fa1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#197b9e",
  "rgb": {
    "r": 25,
    "g": 123,
    "b": 158
  },
  "hsl": {
    "h": 195.789,
    "s": 72.678,
    "l": 35.882
  },
  "oklch": {
    "l": 0.5461,
    "c": 0.09964,
    "h": 228.2
  },
  "luminance": 0.16841
}

Semantic roles & 50–950 ramp

primary

#197B9E

secondary

#C56D4E

accent

#6938EF

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #197B9E

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

Preview Lab → · Contrast checker → · Palette generator →