#309FBE#309FBE

#309FBE is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.106 H 220.9°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#309FBE
RGB	rgb(48, 159, 190)
HSL	hsl(193, 60%, 47%)
HSV	hsv(193, 75%, 75%)
CMYK	cmyk(74.7%, 16.3%, 0%, 25.5%)
CIE-LAB	lab(60.90, -20.33, -24.85)
CIE-LCH	lch(60.90, 32.11, 230.72°)
OKLab	oklab(65.47% -0.0803 -0.0695)
OKLCH	oklch(65.47% 0.106 220.9)
XYZ	xyz(22.9074, 29.1396, 53.1224)
Luminance	0.2914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309FBE #BE4F30

analogous

#30BE96 #309FBE #3058BE

triadic

#309FBE #BE309F #9FBE30

tetradic

#309FBE #9630BE #BE4F30 #58BE30

square

#309FBE #9630BE #BE4F30 #58BE30

split-complementary

#309FBE #BE3058 #BE9630

monochromatic

#174D5C #24768D #309FBE #57B9D4 #88CDE1

Accessibility & contrast

On white

3.08

#309FBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#309FBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309FBE

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309FBE	#FFFFFF	#000000	##000000
##309FBE	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9BC0

Deuteranopia (green-blind)

#798DBE

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #309fbe;
/* rgb */ color: rgb(48, 159, 190);
/* oklch */ color: oklch(65.5% 0.106 220.9);

Tailwind

colors: {
  custom: {
    50: '#7dbbd1',
    500: '#309fbe',
    950: '#000000',
  },
}

SCSS

$custom: #309fbe;
$custom-light: #7dbbd1;
$custom-dark: #000000;

JSON

{
  "hex": "#309fbe",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 190
  },
  "hsl": {
    "h": 193.099,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.6547,
    "c": 0.1062,
    "h": 220.9
  },
  "luminance": 0.29142
}

Semantic roles & 50–950 ramp

primary

#309FBE

secondary

#CB907F

accent

#6745E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #309FBE

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

Preview Lab → · Contrast checker → · Palette generator →