#509BD5#509BD5

#509BD5 is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.6% C 0.114 H 244.1°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX#509BD5
RGBrgb(80, 155, 213)
HSLhsl(206, 61%, 57%)
HSVhsv(206, 62%, 84%)
CMYKcmyk(62.4%, 27.2%, 0%, 16.5%)
CIE-LABlab(61.61, -5.70, -36.55)
CIE-LCHlch(61.61, 36.99, 261.13°)
OKLaboklab(66.61% -0.0499 -0.1029)
OKLCHoklch(66.61% 0.114 244.1)
XYZxyz(27.0354, 29.9496, 67.2940)
Luminance0.2995 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#509BD5 #D58A50
analogous
#50D5CC #509BD5 #5059D5
triadic
#509BD5 #D5509B #9BD550
tetradic
#509BD5 #CC50D5 #D58A50 #59D550
square
#509BD5 #CC50D5 #D58A50 #59D550
split-complementary
#509BD5 #D55059 #D5CC50
monochromatic
#215C8A #2D7DBB #509BD5 #81B7E1 #B3D3ED

Accessibility & contrast

On white

3.00
#509BD5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.99
#509BD5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BD5
6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##509BD5#FFFFFF#000000##000000
##509BD51.003.006.996.99
#FFFFFF3.001.0021.0021.00
#0000006.9921.001.001.00
##0000006.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#819CD8
Deuteranopia (green-blind)
#6F8FD4
Tritanopia (blue-blind)
#00A9AF
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #509bd5;
/* rgb */ color: rgb(80, 155, 213);
/* oklch */ color: oklch(66.6% 0.114 244.1);
Tailwind
colors: {
  custom: {
    50: '#8db8e2',
    500: '#509bd5',
    950: '#000000',
  },
}
SCSS
$custom: #509bd5;
$custom-light: #8db8e2;
$custom-dark: #000000;
JSON
{
  "hex": "#509bd5",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 213
  },
  "hsl": {
    "h": 206.165,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.6661,
    "c": 0.11435,
    "h": 244.1
  },
  "luminance": 0.29952
}

Semantic roles & 50–950 ramp

primary
#509BD5
secondary
#DBBDA6
accent
#8A43E4
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083

Preview Lab

Preview with #509BD5

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

Preview Lab → · Contrast checker → · Palette generator →

#509BD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva