#309CBE#309CBE

#309CBE is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.7% C 0.107 H 223.5°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#309CBE
RGB	rgb(48, 156, 190)
HSL	hsl(194, 60%, 47%)
HSV	hsv(194, 75%, 75%)
CMYK	cmyk(74.7%, 17.9%, 0%, 25.5%)
CIE-LAB	lab(60.00, -18.74, -26.25)
CIE-LCH	lch(60.00, 32.25, 234.48°)
OKLab	oklab(64.74% -0.0773 -0.0735)
OKLCH	oklch(64.74% 0.107 223.5)
XYZ	xyz(22.3978, 28.1204, 52.9525)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CBE #BE5230

analogous

#30BE99 #309CBE #3055BE

triadic

#309CBE #BE309C #9CBE30

tetradic

#309CBE #9930BE #BE5230 #55BE30

square

#309CBE #9930BE #BE5230 #55BE30

split-complementary

#309CBE #BE3055 #BE9930

monochromatic

#174C5C #24748D #309CBE #57B6D4 #88CBE1

Accessibility & contrast

On white

3.17

#309CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#309CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CBE

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CBE	#FFFFFF	#000000	##000000
##309CBE	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998C0

Deuteranopia (green-blind)

#768BBE

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309cbe;
/* rgb */ color: rgb(48, 156, 190);
/* oklch */ color: oklch(64.7% 0.107 223.5);

Tailwind

colors: {
  custom: {
    50: '#7db9d1',
    500: '#309cbe',
    950: '#000000',
  },
}

SCSS

$custom: #309cbe;
$custom-light: #7db9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#309cbe",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 190
  },
  "hsl": {
    "h": 194.366,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.64742,
    "c": 0.1067,
    "h": 223.5
  },
  "luminance": 0.28123
}

Semantic roles & 50–950 ramp

primary

#309CBE

secondary

#CB917F

accent

#6B45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309CBE

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

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