#309EC9#309EC9

#309EC9 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.7% C 0.115 H 229.0°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#309EC9
RGB	rgb(48, 158, 201)
HSL	hsl(197, 61%, 49%)
HSV	hsv(197, 76%, 79%)
CMYK	cmyk(76.1%, 21.4%, 0%, 21.2%)
CIE-LAB	lab(61.04, -16.12, -30.81)
CIE-LCH	lch(61.04, 34.77, 242.38°)
OKLab	oklab(65.72% -0.0752 -0.0866)
OKLCH	oklch(65.72% 0.115 229)
XYZ	xyz(23.9841, 29.2963, 59.6377)
Luminance	0.2930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309EC9 #C95B30

analogous

#30C9A8 #309EC9 #3051C9

triadic

#309EC9 #C9309E #9EC930

tetradic

#309EC9 #A830C9 #C95B30 #51C930

square

#309EC9 #A830C9 #C95B30 #51C930

split-complementary

#309EC9 #C93051 #C9A830

monochromatic

#185066 #247798 #309EC9 #5EB6D8 #8FCCE4

Accessibility & contrast

On white

3.06

#309EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#309EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EC9

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309EC9	#FFFFFF	#000000	##000000
##309EC9	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCB

Deuteranopia (green-blind)

#738DC8

Tritanopia (blue-blind)

#00AAAC

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #309ec9;
/* rgb */ color: rgb(48, 158, 201);
/* oklch */ color: oklch(65.7% 0.115 229.0);

Tailwind

colors: {
  custom: {
    50: '#7fbad9',
    500: '#309ec9',
    950: '#000000',
  },
}

SCSS

$custom: #309ec9;
$custom-light: #7fbad9;
$custom-dark: #000000;

JSON

{
  "hex": "#309ec9",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 196.863,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.65725,
    "c": 0.11466,
    "h": 229
  },
  "luminance": 0.29299
}

Semantic roles & 50–950 ramp

primary

#309EC9

secondary

#CF9A86

accent

#7143E5

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #309EC9

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

Preview Lab → · Contrast checker → · Palette generator →