#3197B4#3197B4

#3197B4 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.100 H 220.9°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3197B4
RGB	rgb(49, 151, 180)
HSL	hsl(193, 57%, 45%)
HSV	hsv(193, 73%, 71%)
CMYK	cmyk(72.8%, 16.1%, 0%, 29.4%)
CIE-LAB	lab(58.11, -19.26, -23.50)
CIE-LCH	lch(58.11, 30.39, 230.66°)
OKLab	oklab(63.11% -0.0758 -0.0657)
OKLCH	oklch(63.11% 0.1 220.9)
XYZ	xyz(20.5680, 26.0791, 47.1209)
Luminance	0.2608 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3197B4 #B44E31

analogous

#31B48F #3197B4 #3156B4

triadic

#3197B4 #B43197 #97B431

tetradic

#3197B4 #8F31B4 #B44E31 #56B431

square

#3197B4 #8F31B4 #B44E31 #56B431

split-complementary

#3197B4 #B43156 #B48F31

monochromatic

#174654 #246F84 #3197B4 #52B4D0 #82C9DD

Accessibility & contrast

On white

3.38

#3197B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#3197B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3197B4

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3197B4	#FFFFFF	#000000	##000000
##3197B4	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8693B6

Deuteranopia (green-blind)

#7486B4

Tritanopia (blue-blind)

#00A0A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3197b4;
/* rgb */ color: rgb(49, 151, 180);
/* oklch */ color: oklch(63.1% 0.100 220.9);

Tailwind

colors: {
  custom: {
    50: '#7bb5ca',
    500: '#3197b4',
    950: '#000000',
  },
}

SCSS

$custom: #3197b4;
$custom-light: #7bb5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3197b4",
  "rgb": {
    "r": 49,
    "g": 151,
    "b": 180
  },
  "hsl": {
    "h": 193.282,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.63107,
    "c": 0.10029,
    "h": 220.9
  },
  "luminance": 0.26081
}

Semantic roles & 50–950 ramp

primary

#3197B4

secondary

#C68B7B

accent

#6947E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3197B4

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

Preview Lab → · Contrast checker → · Palette generator →