#509DB3#509DB3

#509DB3 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.6% C 0.082 H 218.9°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#509DB3
RGB	rgb(80, 157, 179)
HSL	hsl(193, 39%, 51%)
HSV	hsv(193, 55%, 70%)
CMYK	cmyk(55.3%, 12.3%, 0%, 29.8%)
CIE-LAB	lab(60.84, -17.41, -18.67)
CIE-LCH	lch(60.84, 25.53, 227.00°)
OKLab	oklab(65.55% -0.0642 -0.0518)
OKLCH	oklch(65.55% 0.082 218.9)
XYZ	xyz(23.4987, 29.0719, 47.0122)
Luminance	0.2907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DB3 #B36650

analogous

#50B397 #509DB3 #506BB3

triadic

#509DB3 #B3509D #9DB350

tetradic

#509DB3 #9750B3 #B36650 #6BB350

square

#509DB3 #9750B3 #B36650 #6BB350

split-complementary

#509DB3 #B3506B #B39750

monochromatic

#29535F #3C798A #509DB3 #7BB5C6 #A5CDD8

Accessibility & contrast

On white

3.08

#509DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#509DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509DB3

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DB3	#FFFFFF	#000000	##000000
##509DB3	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B4

Deuteranopia (green-blind)

#808EB3

Tritanopia (blue-blind)

#00A5A4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509db3;
/* rgb */ color: rgb(80, 157, 179);
/* oklch */ color: oklch(65.6% 0.082 218.9);

Tailwind

colors: {
  custom: {
    50: '#89bac9',
    500: '#509db3',
    950: '#000000',
  },
}

SCSS

$custom: #509db3;
$custom-light: #89bac9;
$custom-dark: #000000;

JSON

{
  "hex": "#509db3",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 179
  },
  "hsl": {
    "h": 193.333,
    "s": 39.442,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65555,
    "c": 0.08248,
    "h": 218.9
  },
  "luminance": 0.29074
}

Semantic roles & 50–950 ramp

primary

#509DB3

secondary

#C5A399

accent

#7358CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509DB3

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

Preview Lab → · Contrast checker → · Palette generator →