#197AB4#197AB4

#197AB4 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.123 H 241.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#197AB4
RGB	rgb(25, 122, 180)
HSL	hsl(202, 76%, 40%)
HSV	hsv(202, 86%, 71%)
CMYK	cmyk(86.1%, 32.2%, 0%, 29.4%)
CIE-LAB	lab(48.78, -5.51, -38.06)
CIE-LCH	lch(48.78, 38.46, 261.76°)
OKLab	oklab(55.53% -0.0579 -0.1081)
OKLCH	oklch(55.53% 0.123 241.8)
XYZ	xyz(15.5954, 17.4190, 45.7114)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#197AB4 #B45319

analogous

#19B4A1 #197AB4 #192CB4

triadic

#197AB4 #B4197A #7AB419

tetradic

#197AB4 #A119B4 #B45319 #2CB419

square

#197AB4 #A119B4 #B45319 #2CB419

split-complementary

#197AB4 #B4192C #B4A119

monochromatic

#0A3149 #12567E #197AB4 #299CE1 #5FB5E9

Accessibility & contrast

On white

4.68

#197AB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#197AB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #197AB4

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##197AB4	#FFFFFF	#000000	##FFFFFF
##197AB4	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7BB7

Deuteranopia (green-blind)

#496EB3

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #197ab4;
/* rgb */ color: rgb(25, 122, 180);
/* oklch */ color: oklch(55.5% 0.123 241.8);

Tailwind

colors: {
  custom: {
    50: '#73a0cb',
    500: '#197ab4',
    950: '#000000',
  },
}

SCSS

$custom: #197ab4;
$custom-light: #73a0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#197ab4",
  "rgb": {
    "r": 25,
    "g": 122,
    "b": 180
  },
  "hsl": {
    "h": 202.452,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55529,
    "c": 0.12269,
    "h": 241.8
  },
  "luminance": 0.17421
}

Semantic roles & 50–950 ramp

primary

#197AB4

secondary

#CD865C

accent

#7C36F2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #197AB4

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

Preview Lab → · Contrast checker → · Palette generator →