#309AC9#309AC9

#309AC9 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.8% C 0.116 H 232.2°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#309AC9
RGB	rgb(48, 154, 201)
HSL	hsl(198, 61%, 49%)
HSV	hsv(198, 76%, 79%)
CMYK	cmyk(76.1%, 23.4%, 0%, 21.2%)
CIE-LAB	lab(59.85, -13.94, -32.66)
CIE-LCH	lch(59.85, 35.51, 246.88°)
OKLab	oklab(64.77% -0.0714 -0.0919)
OKLCH	oklch(64.77% 0.116 232.2)
XYZ	xyz(23.3129, 27.9538, 59.4140)
Luminance	0.2796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309AC9 #C95F30

analogous

#30C9AC #309AC9 #304EC9

triadic

#309AC9 #C9309A #9AC930

tetradic

#309AC9 #AC30C9 #C95F30 #4EC930

square

#309AC9 #AC30C9 #C95F30 #4EC930

split-complementary

#309AC9 #C9304E #C9AC30

monochromatic

#184E66 #247498 #309AC9 #5EB3D8 #8FCAE4

Accessibility & contrast

On white

3.19

#309AC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#309AC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309AC9

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309AC9	#FFFFFF	#000000	##000000
##309AC9	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)

#8298CB

Deuteranopia (green-blind)

#6E8AC8

Tritanopia (blue-blind)

#00A7AA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309ac9;
/* rgb */ color: rgb(48, 154, 201);
/* oklch */ color: oklch(64.8% 0.116 232.2);

Tailwind

colors: {
  custom: {
    50: '#7eb7d9',
    500: '#309ac9',
    950: '#000000',
  },
}

SCSS

$custom: #309ac9;
$custom-light: #7eb7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#309ac9",
  "rgb": {
    "r": 48,
    "g": 154,
    "b": 201
  },
  "hsl": {
    "h": 198.431,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64771,
    "c": 0.1164,
    "h": 232.2
  },
  "luminance": 0.27957
}

Semantic roles & 50–950 ramp

primary

#309AC9

secondary

#CF9C86

accent

#7543E5

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #309AC9

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

Preview Lab → · Contrast checker → · Palette generator →