#309CC6#309CC6

#309CC6 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.113 H 228.8°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#309CC6
RGB	rgb(48, 156, 198)
HSL	hsl(197, 61%, 48%)
HSV	hsv(197, 76%, 78%)
CMYK	cmyk(75.8%, 21.2%, 0%, 22.4%)
CIE-LAB	lab(60.32, -16.05, -30.25)
CIE-LCH	lch(60.32, 34.24, 242.04°)
OKLab	oklab(65.11% -0.0744 -0.085)
OKLCH	oklch(65.11% 0.113 228.8)
XYZ	xyz(23.2963, 28.4797, 57.6845)
Luminance	0.2848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CC6 #C65A30

analogous

#30C6A5 #309CC6 #3051C6

triadic

#309CC6 #C6309C #9CC630

tetradic

#309CC6 #A530C6 #C65A30 #51C630

square

#309CC6 #A530C6 #C65A30 #51C630

split-complementary

#309CC6 #C63051 #C6A530

monochromatic

#184E63 #247595 #309CC6 #5CB5D7 #8DCBE3

Accessibility & contrast

On white

3.14

#309CC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#309CC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CC6

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CC6	#FFFFFF	#000000	##000000
##309CC6	1.00	3.14	6.70	6.70
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8699C8

Deuteranopia (green-blind)

#728BC5

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309cc6;
/* rgb */ color: rgb(48, 156, 198);
/* oklch */ color: oklch(65.1% 0.113 228.8);

Tailwind

colors: {
  custom: {
    50: '#7eb9d7',
    500: '#309cc6',
    950: '#000000',
  },
}

SCSS

$custom: #309cc6;
$custom-light: #7eb9d7;
$custom-dark: #000000;

JSON

{
  "hex": "#309cc6",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 198
  },
  "hsl": {
    "h": 196.8,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65107,
    "c": 0.11291,
    "h": 228.8
  },
  "luminance": 0.28483
}

Semantic roles & 50–950 ramp

primary

#309CC6

secondary

#CE9984

accent

#7144E4

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0B1114

muted

#7C8083

Preview Lab

Preview with #309CC6

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

Preview Lab → · Contrast checker → · Palette generator →