#309FB6#309FB6

#309FB6 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.1% C 0.102 H 214.8°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#309FB6
RGB	rgb(48, 159, 182)
HSL	hsl(190, 58%, 45%)
HSV	hsv(190, 74%, 71%)
CMYK	cmyk(73.6%, 12.6%, 0%, 28.6%)
CIE-LAB	lab(60.60, -22.93, -20.82)
CIE-LCH	lch(60.60, 30.97, 222.23°)
OKLab	oklab(65.13% -0.0835 -0.058)
OKLCH	oklch(65.13% 0.102 214.8)
XYZ	xyz(22.0570, 28.7994, 48.6433)
Luminance	0.2880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309FB6 #B64730

analogous

#30B68A #309FB6 #305CB6

triadic

#309FB6 #B6309F #9FB630

tetradic

#309FB6 #8A30B6 #B64730 #5CB630

square

#309FB6 #8A30B6 #B64730 #5CB630

split-complementary

#309FB6 #B6305C #B68A30

monochromatic

#164A55 #237586 #309FB6 #52BBD1 #82CEDE

Accessibility & contrast

On white

3.11

#309FB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#309FB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309FB6

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309FB6	#FFFFFF	#000000	##000000
##309FB6	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9AB7

Deuteranopia (green-blind)

#7C8CB6

Tritanopia (blue-blind)

#00A8A6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #309fb6;
/* rgb */ color: rgb(48, 159, 182);
/* oklch */ color: oklch(65.1% 0.102 214.8);

Tailwind

colors: {
  custom: {
    50: '#7cbbcc',
    500: '#309fb6',
    950: '#000000',
  },
}

SCSS

$custom: #309fb6;
$custom-light: #7cbbcc;
$custom-dark: #000000;

JSON

{
  "hex": "#309fb6",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 182
  },
  "hsl": {
    "h": 190.299,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.65129,
    "c": 0.10166,
    "h": 214.8
  },
  "luminance": 0.28802
}

Semantic roles & 50–950 ramp

primary

#309FB6

secondary

#C7887B

accent

#6146E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #309FB6

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

Preview Lab → · Contrast checker → · Palette generator →