#509BE0#509BE0

#509BE0 is a light, vivid cyan. Relative luminance 0.305; OKLCH L 67.2% C 0.127 H 248.5°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#509BE0
RGB	rgb(80, 155, 224)
HSL	hsl(209, 70%, 60%)
HSV	hsv(209, 64%, 88%)
CMYK	cmyk(64.3%, 30.8%, 0%, 12.2%)
CIE-LAB	lab(62.11, -2.09, -41.88)
CIE-LCH	lch(62.11, 41.94, 267.15°)
OKLab	oklab(67.16% -0.0466 -0.1183)
OKLCH	oklch(67.16% 0.127 248.5)
XYZ	xyz(28.4792, 30.5271, 74.8980)
Luminance	0.3053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BE0 #E09550

analogous

#50E0DD #509BE0 #5053E0

triadic

#509BE0 #E0509B #9BE050

tetradic

#509BE0 #DD50E0 #E09550 #53E050

square

#509BE0 #DD50E0 #E09550 #53E050

split-complementary

#509BE0 #E05053 #E0DD50

monochromatic

#1B5D9A #257DCE #509BE0 #84B9E9 #B8D6F2

Accessibility & contrast

On white

2.96

#509BE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#509BE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509BE0

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BE0	#FFFFFF	#000000	##000000
##509BE0	1.00	2.96	7.11	7.11
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9EE3

Deuteranopia (green-blind)

#6990DF

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509be0;
/* rgb */ color: rgb(80, 155, 224);
/* oklch */ color: oklch(67.2% 0.127 248.5);

Tailwind

colors: {
  custom: {
    50: '#8eb8ea',
    500: '#509be0',
    950: '#000000',
  },
}

SCSS

$custom: #509be0;
$custom-light: #8eb8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#509be0",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 224
  },
  "hsl": {
    "h": 208.75,
    "s": 69.903,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67163,
    "c": 0.1272,
    "h": 248.5
  },
  "luminance": 0.3053
}

Semantic roles & 50–950 ramp

primary

#509BE0

secondary

#E2C5AA

accent

#903BED

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509BE0

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

Preview Lab → · Contrast checker → · Palette generator →