#309CC4#309CC4

#309CC4 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.0% C 0.111 H 227.6°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#309CC4
RGB	rgb(48, 156, 196)
HSL	hsl(196, 61%, 48%)
HSV	hsv(196, 76%, 77%)
CMYK	cmyk(75.5%, 20.4%, 0%, 23.1%)
CIE-LAB	lab(60.24, -16.73, -29.25)
CIE-LCH	lch(60.24, 33.70, 240.23°)
OKLab	oklab(65.01% -0.0751 -0.0821)
OKLCH	oklch(65.01% 0.111 227.6)
XYZ	xyz(23.0671, 28.3881, 56.4776)
Luminance	0.2839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CC4 #C45830

analogous

#30C4A2 #309CC4 #3052C4

triadic

#309CC4 #C4309C #9CC430

tetradic

#309CC4 #A230C4 #C45830 #52C430

square

#309CC4 #A230C4 #C45830 #52C430

split-complementary

#309CC4 #C43052 #C4A230

monochromatic

#184E62 #247593 #309CC4 #5AB5D7 #8CCBE3

Accessibility & contrast

On white

3.14

#309CC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#309CC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CC4

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CC4	#FFFFFF	#000000	##000000
##309CC4	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C6

Deuteranopia (green-blind)

#738BC3

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309cc4;
/* rgb */ color: rgb(48, 156, 196);
/* oklch */ color: oklch(65.0% 0.111 227.6);

Tailwind

colors: {
  custom: {
    50: '#7eb9d6',
    500: '#309cc4',
    950: '#000000',
  },
}

SCSS

$custom: #309cc4;
$custom-light: #7eb9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#309cc4",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 196
  },
  "hsl": {
    "h": 196.216,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.65014,
    "c": 0.11127,
    "h": 227.6
  },
  "luminance": 0.28391
}

Semantic roles & 50–950 ramp

primary

#309CC4

secondary

#CD9783

accent

#6F44E4

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #309CC4

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

Preview Lab → · Contrast checker → · Palette generator →