#509DB1#509DB1

#509DB1 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.5% C 0.081 H 216.9°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#509DB1
RGB	rgb(80, 157, 177)
HSL	hsl(192, 38%, 50%)
HSV	hsv(192, 55%, 69%)
CMYK	cmyk(54.8%, 11.3%, 0%, 30.6%)
CIE-LAB	lab(60.77, -18.01, -17.65)
CIE-LCH	lch(60.77, 25.22, 224.43°)
OKLab	oklab(65.48% -0.065 -0.0489)
OKLCH	oklch(65.48% 0.081 216.9)
XYZ	xyz(23.2979, 28.9916, 45.9546)
Luminance	0.2899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DB1 #B16450

analogous

#50B194 #509DB1 #506CB1

triadic

#509DB1 #B1509D #9DB150

tetradic

#509DB1 #9450B1 #B16450 #6CB150

square

#509DB1 #9450B1 #B16450 #6CB150

split-complementary

#509DB1 #B1506C #B19450

monochromatic

#29525D #3C7887 #509DB1 #7AB5C4 #A5CCD7

Accessibility & contrast

On white

3.09

#509DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#509DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509DB1

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DB1	#FFFFFF	#000000	##000000
##509DB1	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9099B2

Deuteranopia (green-blind)

#818EB1

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509db1;
/* rgb */ color: rgb(80, 157, 177);
/* oklch */ color: oklch(65.5% 0.081 216.9);

Tailwind

colors: {
  custom: {
    50: '#89bac8',
    500: '#509db1',
    950: '#000000',
  },
}

SCSS

$custom: #509db1;
$custom-light: #89bac8;
$custom-dark: #000000;

JSON

{
  "hex": "#509db1",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 177
  },
  "hsl": {
    "h": 192.371,
    "s": 38.34,
    "l": 50.392
  },
  "oklch": {
    "l": 0.65475,
    "c": 0.08135,
    "h": 216.9
  },
  "luminance": 0.28994
}

Semantic roles & 50–950 ramp

primary

#509DB1

secondary

#C4A299

accent

#725ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509DB1

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

Preview Lab → · Contrast checker → · Palette generator →