#309BBE#309BBE

#309BBE is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.107 H 224.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#309BBE
RGB	rgb(48, 155, 190)
HSL	hsl(195, 60%, 47%)
HSV	hsv(195, 75%, 75%)
CMYK	cmyk(74.7%, 18.4%, 0%, 25.5%)
CIE-LAB	lab(59.70, -18.21, -26.72)
CIE-LCH	lch(59.70, 32.33, 235.73°)
OKLab	oklab(64.5% -0.0764 -0.0748)
OKLCH	oklch(64.5% 0.107 224.4)
XYZ	xyz(22.2307, 27.7861, 52.8968)
Luminance	0.2779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309BBE #BE5330

analogous

#30BE9A #309BBE #3054BE

triadic

#309BBE #BE309B #9BBE30

tetradic

#309BBE #9A30BE #BE5330 #54BE30

square

#309BBE #9A30BE #BE5330 #54BE30

split-complementary

#309BBE #BE3054 #BE9A30

monochromatic

#174B5C #24738D #309BBE #57B5D4 #88CBE1

Accessibility & contrast

On white

3.20

#309BBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#309BBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309BBE

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309BBE	#FFFFFF	#000000	##000000
##309BBE	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8798C0

Deuteranopia (green-blind)

#748ABE

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309bbe;
/* rgb */ color: rgb(48, 155, 190);
/* oklch */ color: oklch(64.5% 0.107 224.4);

Tailwind

colors: {
  custom: {
    50: '#7db8d1',
    500: '#309bbe',
    950: '#000000',
  },
}

SCSS

$custom: #309bbe;
$custom-light: #7db8d1;
$custom-dark: #000000;

JSON

{
  "hex": "#309bbe",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 190
  },
  "hsl": {
    "h": 194.789,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.645,
    "c": 0.10692,
    "h": 224.4
  },
  "luminance": 0.27789
}

Semantic roles & 50–950 ramp

primary

#309BBE

secondary

#CB927F

accent

#6C45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309BBE

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

Preview Lab → · Contrast checker → · Palette generator →