#309BC2#309BC2

#309BC2 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.7% C 0.110 H 227.1°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#309BC2
RGB	rgb(48, 155, 194)
HSL	hsl(196, 60%, 47%)
HSV	hsv(196, 75%, 76%)
CMYK	cmyk(75.3%, 20.1%, 0%, 23.9%)
CIE-LAB	lab(59.86, -16.87, -28.72)
CIE-LCH	lch(59.86, 33.30, 239.57°)
OKLab	oklab(64.68% -0.0749 -0.0806)
OKLCH	oklch(64.68% 0.11 227.1)
XYZ	xyz(22.6739, 27.9634, 55.2310)
Luminance	0.2797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309BC2 #C25730

analogous

#30C2A0 #309BC2 #3052C2

triadic

#309BC2 #C2309B #9BC230

tetradic

#309BC2 #A030C2 #C25730 #52C230

square

#309BC2 #A030C2 #C25730 #52C230

split-complementary

#309BC2 #C23052 #C2A030

monochromatic

#184D60 #247491 #309BC2 #59B5D6 #8ACBE2

Accessibility & contrast

On white

3.19

#309BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#309BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309BC2

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309BC2	#FFFFFF	#000000	##000000
##309BC2	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8698C4

Deuteranopia (green-blind)

#738AC2

Tritanopia (blue-blind)

#00A6A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309bc2;
/* rgb */ color: rgb(48, 155, 194);
/* oklch */ color: oklch(64.7% 0.110 227.1);

Tailwind

colors: {
  custom: {
    50: '#7db8d4',
    500: '#309bc2',
    950: '#000000',
  },
}

SCSS

$custom: #309bc2;
$custom-light: #7db8d4;
$custom-dark: #000000;

JSON

{
  "hex": "#309bc2",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 194
  },
  "hsl": {
    "h": 196.027,
    "s": 60.331,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64682,
    "c": 0.10999,
    "h": 227.1
  },
  "luminance": 0.27966
}

Semantic roles & 50–950 ramp

primary

#309BC2

secondary

#CC9682

accent

#6F44E3

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #309BC2

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

Preview Lab → · Contrast checker → · Palette generator →