#509CB3#509CB3

#509CB3 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.082 H 220.1°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#509CB3
RGB	rgb(80, 156, 179)
HSL	hsl(194, 39%, 51%)
HSV	hsv(194, 55%, 70%)
CMYK	cmyk(55.3%, 12.8%, 0%, 29.8%)
CIE-LAB	lab(60.55, -16.88, -19.13)
CIE-LCH	lch(60.55, 25.51, 228.57°)
OKLab	oklab(65.32% -0.0631 -0.053)
OKLCH	oklch(65.32% 0.082 220.1)
XYZ	xyz(23.3303, 28.7349, 46.9560)
Luminance	0.2874 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509CB3 #B36750

analogous

#50B398 #509CB3 #506AB3

triadic

#509CB3 #B3509C #9CB350

tetradic

#509CB3 #9850B3 #B36750 #6AB350

square

#509CB3 #9850B3 #B36750 #6AB350

split-complementary

#509CB3 #B3506A #B39850

monochromatic

#29535F #3C788A #509CB3 #7BB4C6 #A5CCD8

Accessibility & contrast

On white

3.11

#509CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#509CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509CB3

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509CB3	#FFFFFF	#000000	##000000
##509CB3	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E98B4

Deuteranopia (green-blind)

#7F8DB3

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #509cb3;
/* rgb */ color: rgb(80, 156, 179);
/* oklch */ color: oklch(65.3% 0.082 220.1);

Tailwind

colors: {
  custom: {
    50: '#89b9c9',
    500: '#509cb3',
    950: '#000000',
  },
}

SCSS

$custom: #509cb3;
$custom-light: #89b9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#509cb3",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 179
  },
  "hsl": {
    "h": 193.939,
    "s": 39.442,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65316,
    "c": 0.08242,
    "h": 220.1
  },
  "luminance": 0.28737
}

Semantic roles & 50–950 ramp

primary

#509CB3

secondary

#C5A499

accent

#7458CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509CB3

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

Preview Lab → · Contrast checker → · Palette generator →