#509FB3#509FB3

#509FB3 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.0% C 0.083 H 216.5°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#509FB3
RGB	rgb(80, 159, 179)
HSL	hsl(192, 39%, 51%)
HSV	hsv(192, 55%, 70%)
CMYK	cmyk(55.3%, 11.2%, 0%, 29.8%)
CIE-LAB	lab(61.44, -18.47, -17.77)
CIE-LCH	lch(61.44, 25.63, 223.88°)
OKLab	oklab(66.03% -0.0665 -0.0492)
OKLCH	oklch(66.03% 0.083 216.5)
XYZ	xyz(23.8399, 29.7542, 47.1259)
Luminance	0.2976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FB3 #B36450

analogous

#50B395 #509FB3 #506DB3

triadic

#509FB3 #B3509F #9FB350

tetradic

#509FB3 #9550B3 #B36450 #6DB350

square

#509FB3 #9550B3 #B36450 #6DB350

split-complementary

#509FB3 #B3506D #B39550

monochromatic

#29545F #3C7A8A #509FB3 #7BB6C6 #A5CED8

Accessibility & contrast

On white

3.02

#509FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#509FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509FB3

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FB3	#FFFFFF	#000000	##000000
##509FB3	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919BB4

Deuteranopia (green-blind)

#8290B3

Tritanopia (blue-blind)

#00A6A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #509fb3;
/* rgb */ color: rgb(80, 159, 179);
/* oklch */ color: oklch(66.0% 0.083 216.5);

Tailwind

colors: {
  custom: {
    50: '#89bbc9',
    500: '#509fb3',
    950: '#000000',
  },
}

SCSS

$custom: #509fb3;
$custom-light: #89bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#509fb3",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 179
  },
  "hsl": {
    "h": 192.121,
    "s": 39.442,
    "l": 50.784
  },
  "oklch": {
    "l": 0.66032,
    "c": 0.08272,
    "h": 216.5
  },
  "luminance": 0.29756
}

Semantic roles & 50–950 ramp

primary

#509FB3

secondary

#C5A299

accent

#7058CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #509FB3

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

Preview Lab → · Contrast checker → · Palette generator →