#309CC9#309CC9

#309CC9 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.2% C 0.115 H 230.6°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#309CC9
RGB	rgb(48, 156, 201)
HSL	hsl(198, 61%, 49%)
HSV	hsv(198, 76%, 79%)
CMYK	cmyk(76.1%, 22.4%, 0%, 21.2%)
CIE-LAB	lab(60.44, -15.03, -31.73)
CIE-LCH	lch(60.44, 35.12, 244.65°)
OKLab	oklab(65.25% -0.0733 -0.0892)
OKLCH	oklch(65.25% 0.115 230.6)
XYZ	xyz(23.6457, 28.6195, 59.5249)
Luminance	0.2862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CC9 #C95D30

analogous

#30C9AA #309CC9 #3050C9

triadic

#309CC9 #C9309C #9CC930

tetradic

#309CC9 #AA30C9 #C95D30 #50C930

square

#309CC9 #AA30C9 #C95D30 #50C930

split-complementary

#309CC9 #C93050 #C9AA30

monochromatic

#184F66 #247698 #309CC9 #5EB4D8 #8FCBE4

Accessibility & contrast

On white

3.12

#309CC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#309CC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CC9

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CC9	#FFFFFF	#000000	##000000
##309CC9	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859ACB

Deuteranopia (green-blind)

#718BC8

Tritanopia (blue-blind)

#00A8AB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #309cc9;
/* rgb */ color: rgb(48, 156, 201);
/* oklch */ color: oklch(65.2% 0.115 230.6);

Tailwind

colors: {
  custom: {
    50: '#7fb9d9',
    500: '#309cc9',
    950: '#000000',
  },
}

SCSS

$custom: #309cc9;
$custom-light: #7fb9d9;
$custom-dark: #000000;

JSON

{
  "hex": "#309cc9",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 201
  },
  "hsl": {
    "h": 197.647,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65248,
    "c": 0.11548,
    "h": 230.6
  },
  "luminance": 0.28622
}

Semantic roles & 50–950 ramp

primary

#309CC9

secondary

#CF9B86

accent

#7343E5

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #309CC9

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

Preview Lab → · Contrast checker → · Palette generator →