#309DBE#309DBE

#309DBE is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.0% C 0.107 H 222.7°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#309DBE
RGB	rgb(48, 157, 190)
HSL	hsl(194, 60%, 47%)
HSV	hsv(194, 75%, 75%)
CMYK	cmyk(74.7%, 17.4%, 0%, 25.5%)
CIE-LAB	lab(60.30, -19.27, -25.78)
CIE-LCH	lch(60.30, 32.19, 233.23°)
OKLab	oklab(64.99% -0.0783 -0.0722)
OKLCH	oklch(64.99% 0.107 222.7)
XYZ	xyz(22.5663, 28.4573, 53.0087)
Luminance	0.2846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DBE #BE5130

analogous

#30BE98 #309DBE #3056BE

triadic

#309DBE #BE309D #9DBE30

tetradic

#309DBE #9830BE #BE5130 #56BE30

square

#309DBE #9830BE #BE5130 #56BE30

split-complementary

#309DBE #BE3056 #BE9830

monochromatic

#174C5C #24758D #309DBE #57B7D4 #88CCE1

Accessibility & contrast

On white

3.14

#309DBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#309DBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DBE

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DBE	#FFFFFF	#000000	##000000
##309DBE	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99C0

Deuteranopia (green-blind)

#778BBE

Tritanopia (blue-blind)

#00A7A8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309dbe;
/* rgb */ color: rgb(48, 157, 190);
/* oklch */ color: oklch(65.0% 0.107 222.7);

Tailwind

colors: {
  custom: {
    50: '#7dbad1',
    500: '#309dbe',
    950: '#000000',
  },
}

SCSS

$custom: #309dbe;
$custom-light: #7dbad1;
$custom-dark: #000000;

JSON

{
  "hex": "#309dbe",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 190
  },
  "hsl": {
    "h": 193.944,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.64985,
    "c": 0.10651,
    "h": 222.7
  },
  "luminance": 0.2846
}

Semantic roles & 50–950 ramp

primary

#309DBE

secondary

#CB917F

accent

#6A45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309DBE

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

Preview Lab → · Contrast checker → · Palette generator →