#197BB4#197BB4

#197BB4 is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.122 H 241.1°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#197BB4
RGB	rgb(25, 123, 180)
HSL	hsl(202, 76%, 40%)
HSV	hsv(202, 86%, 71%)
CMYK	cmyk(86.1%, 31.7%, 0%, 29.4%)
CIE-LAB	lab(49.09, -6.10, -37.58)
CIE-LCH	lch(49.09, 38.07, 260.78°)
OKLab	oklab(55.77% -0.0588 -0.1067)
OKLCH	oklch(55.77% 0.122 241.1)
XYZ	xyz(15.7188, 17.6659, 45.7525)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#197BB4 #B45219

analogous

#19B4A0 #197BB4 #192DB4

triadic

#197BB4 #B4197B #7BB419

tetradic

#197BB4 #A019B4 #B45219 #2DB419

square

#197BB4 #A019B4 #B45219 #2DB419

split-complementary

#197BB4 #B4192D #B4A019

monochromatic

#0A3249 #12567E #197BB4 #299DE1 #5FB6E9

Accessibility & contrast

On white

4.63

#197BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#197BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #197BB4

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##197BB4	#FFFFFF	#000000	##FFFFFF
##197BB4	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB6

Deuteranopia (green-blind)

#4B6FB3

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #197bb4;
/* rgb */ color: rgb(25, 123, 180);
/* oklch */ color: oklch(55.8% 0.122 241.1);

Tailwind

colors: {
  custom: {
    50: '#73a1ca',
    500: '#197bb4',
    950: '#000000',
  },
}

SCSS

$custom: #197bb4;
$custom-light: #73a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#197bb4",
  "rgb": {
    "r": 25,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 202.065,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5577,
    "c": 0.12186,
    "h": 241.1
  },
  "luminance": 0.17668
}

Semantic roles & 50–950 ramp

primary

#197BB4

secondary

#CD855C

accent

#7B36F2

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #197BB4

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

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