#309FBD#309FBD

#309FBD is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.4% C 0.106 H 220.2°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#309FBD
RGB	rgb(48, 159, 189)
HSL	hsl(193, 59%, 46%)
HSV	hsv(193, 75%, 74%)
CMYK	cmyk(74.6%, 15.9%, 0%, 25.9%)
CIE-LAB	lab(60.87, -20.66, -24.35)
CIE-LCH	lch(60.87, 31.93, 229.69°)
OKLab	oklab(65.43% -0.0807 -0.0681)
OKLCH	oklch(65.43% 0.106 220.2)
XYZ	xyz(22.7985, 29.0961, 52.5488)
Luminance	0.2910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309FBD #BD4E30

analogous

#30BD95 #309FBD #3059BD

triadic

#309FBD #BD309F #9FBD30

tetradic

#309FBD #9530BD #BD4E30 #59BD30

square

#309FBD #9530BD #BD4E30 #59BD30

split-complementary

#309FBD #BD3059 #BD9530

monochromatic

#174D5B #24768C #309FBD #56B9D4 #87CDE0

Accessibility & contrast

On white

3.08

#309FBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#309FBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309FBD

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309FBD	#FFFFFF	#000000	##000000
##309FBD	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9BBF

Deuteranopia (green-blind)

#7A8DBD

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #309fbd;
/* rgb */ color: rgb(48, 159, 189);
/* oklch */ color: oklch(65.4% 0.106 220.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#309fbd",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 189
  },
  "hsl": {
    "h": 192.766,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.65427,
    "c": 0.10556,
    "h": 220.2
  },
  "luminance": 0.29099
}

Semantic roles & 50–950 ramp

primary

#309FBD

secondary

#CA8F7F

accent

#6745E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #309FBD

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

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