#309CC0#309CC0

#309CC0 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.8% C 0.108 H 224.9°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#309CC0
RGB	rgb(48, 156, 192)
HSL	hsl(195, 60%, 47%)
HSV	hsv(195, 75%, 75%)
CMYK	cmyk(75%, 18.7%, 0%, 24.7%)
CIE-LAB	lab(60.08, -18.07, -27.25)
CIE-LCH	lch(60.08, 32.70, 236.45°)
OKLab	oklab(64.83% -0.0766 -0.0764)
OKLCH	oklch(64.83% 0.108 224.9)
XYZ	xyz(22.6179, 28.2084, 54.1117)
Luminance	0.2821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CC0 #C05430

analogous

#30C09C #309CC0 #3054C0

triadic

#309CC0 #C0309C #9CC030

tetradic

#309CC0 #9C30C0 #C05430 #54C030

square

#309CC0 #9C30C0 #C05430 #54C030

split-complementary

#309CC0 #C03054 #C09C30

monochromatic

#184C5E #24748F #309CC0 #58B6D5 #89CBE1

Accessibility & contrast

On white

3.16

#309CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#309CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CC0

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CC0	#FFFFFF	#000000	##000000
##309CC0	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8899C2

Deuteranopia (green-blind)

#758BC0

Tritanopia (blue-blind)

#00A7A8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309cc0;
/* rgb */ color: rgb(48, 156, 192);
/* oklch */ color: oklch(64.8% 0.108 224.9);

Tailwind

colors: {
  custom: {
    50: '#7db9d3',
    500: '#309cc0',
    950: '#000000',
  },
}

SCSS

$custom: #309cc0;
$custom-light: #7db9d3;
$custom-dark: #000000;

JSON

{
  "hex": "#309cc0",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 192
  },
  "hsl": {
    "h": 195,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.64832,
    "c": 0.10817,
    "h": 224.9
  },
  "luminance": 0.28211
}

Semantic roles & 50–950 ramp

primary

#309CC0

secondary

#CB9380

accent

#6C45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309CC0

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

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