#309DC0#309DC0

#309DC0 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.108 H 224.1°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#309DC0
RGB	rgb(48, 157, 192)
HSL	hsl(195, 60%, 47%)
HSV	hsv(195, 75%, 75%)
CMYK	cmyk(75%, 18.2%, 0%, 24.7%)
CIE-LAB	lab(60.38, -18.61, -26.79)
CIE-LCH	lch(60.38, 32.62, 235.22°)
OKLab	oklab(65.07% -0.0776 -0.075)
OKLCH	oklch(65.07% 0.108 224.1)
XYZ	xyz(22.7864, 28.5454, 54.1678)
Luminance	0.2855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DC0 #C05330

analogous

#30C09B #309DC0 #3055C0

triadic

#309DC0 #C0309D #9DC030

tetradic

#309DC0 #9B30C0 #C05330 #55C030

square

#309DC0 #9B30C0 #C05330 #55C030

split-complementary

#309DC0 #C03055 #C09B30

monochromatic

#184D5E #24758F #309DC0 #58B7D5 #89CCE1

Accessibility & contrast

On white

3.13

#309DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#309DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DC0

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DC0	#FFFFFF	#000000	##000000
##309DC0	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8999C2

Deuteranopia (green-blind)

#768BC0

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #309dc0;
/* rgb */ color: rgb(48, 157, 192);
/* oklch */ color: oklch(65.1% 0.108 224.1);

Tailwind

colors: {
  custom: {
    50: '#7dbad3',
    500: '#309dc0',
    950: '#000000',
  },
}

SCSS

$custom: #309dc0;
$custom-light: #7dbad3;
$custom-dark: #000000;

JSON

{
  "hex": "#309dc0",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 192
  },
  "hsl": {
    "h": 194.583,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.65074,
    "c": 0.10792,
    "h": 224.1
  },
  "luminance": 0.28548
}

Semantic roles & 50–950 ramp

primary

#309DC0

secondary

#CB9380

accent

#6B45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309DC0

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

Preview Lab → · Contrast checker → · Palette generator →