#509DB2#509DB2

#509DB2 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.5% C 0.082 H 217.9°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#509DB2
RGB	rgb(80, 157, 178)
HSL	hsl(193, 39%, 51%)
HSV	hsv(193, 55%, 70%)
CMYK	cmyk(55.1%, 11.8%, 0%, 30.2%)
CIE-LAB	lab(60.81, -17.71, -18.16)
CIE-LCH	lch(60.81, 25.37, 225.72°)
OKLab	oklab(65.52% -0.0646 -0.0503)
OKLCH	oklch(65.52% 0.082 217.9)
XYZ	xyz(23.3980, 29.0316, 46.4815)
Luminance	0.2903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DB2 #B26550

analogous

#50B296 #509DB2 #506CB2

triadic

#509DB2 #B2509D #9DB250

tetradic

#509DB2 #9650B2 #B26550 #6CB250

square

#509DB2 #9650B2 #B26550 #6CB250

split-complementary

#509DB2 #B2506C #B29650

monochromatic

#29535E #3C7889 #509DB2 #7AB5C5 #A5CDD7

Accessibility & contrast

On white

3.09

#509DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#509DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509DB2

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DB2	#FFFFFF	#000000	##000000
##509DB2	1.00	3.09	6.81	6.81
#FFFFFF	3.09	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)

#8F99B3

Deuteranopia (green-blind)

#818EB2

Tritanopia (blue-blind)

#00A4A4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509db2;
/* rgb */ color: rgb(80, 157, 178);
/* oklch */ color: oklch(65.5% 0.082 217.9);

Tailwind

colors: {
  custom: {
    50: '#89bac9',
    500: '#509db2',
    950: '#000000',
  },
}

SCSS

$custom: #509db2;
$custom-light: #89bac9;
$custom-dark: #000000;

JSON

{
  "hex": "#509db2",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 178
  },
  "hsl": {
    "h": 192.857,
    "s": 38.889,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65515,
    "c": 0.08191,
    "h": 217.9
  },
  "luminance": 0.29034
}

Semantic roles & 50–950 ramp

primary

#509DB2

secondary

#C5A299

accent

#7259CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509DB2

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

Preview Lab → · Contrast checker → · Palette generator →