#309CC3#309CC3

#309CC3 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.0% C 0.110 H 226.9°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#309CC3
RGB	rgb(48, 156, 195)
HSL	hsl(196, 60%, 48%)
HSV	hsv(196, 75%, 76%)
CMYK	cmyk(75.4%, 20%, 0%, 23.5%)
CIE-LAB	lab(60.20, -17.07, -28.75)
CIE-LCH	lch(60.20, 33.44, 239.31°)
OKLab	oklab(64.97% -0.0755 -0.0807)
OKLCH	oklch(64.97% 0.11 226.9)
XYZ	xyz(22.9537, 28.3427, 55.8801)
Luminance	0.2834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CC3 #C35730

analogous

#30C3A0 #309CC3 #3053C3

triadic

#309CC3 #C3309C #9CC330

tetradic

#309CC3 #A030C3 #C35730 #53C330

square

#309CC3 #A030C3 #C35730 #53C330

split-complementary

#309CC3 #C33053 #C3A030

monochromatic

#184D61 #247592 #309CC3 #5AB5D6 #8BCBE2

Accessibility & contrast

On white

3.15

#309CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#309CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CC3

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CC3	#FFFFFF	#000000	##000000
##309CC3	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C5

Deuteranopia (green-blind)

#738BC3

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309cc3;
/* rgb */ color: rgb(48, 156, 195);
/* oklch */ color: oklch(65.0% 0.110 226.9);

Tailwind

colors: {
  custom: {
    50: '#7eb9d5',
    500: '#309cc3',
    950: '#000000',
  },
}

SCSS

$custom: #309cc3;
$custom-light: #7eb9d5;
$custom-dark: #000000;

JSON

{
  "hex": "#309cc3",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 195
  },
  "hsl": {
    "h": 195.918,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64968,
    "c": 0.11046,
    "h": 226.9
  },
  "luminance": 0.28345
}

Semantic roles & 50–950 ramp

primary

#309CC3

secondary

#CC9682

accent

#6E44E4

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #309CC3

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

Preview Lab → · Contrast checker → · Palette generator →