#509BDF#509BDF

#509BDF is a light, vivid cyan. Relative luminance 0.305; OKLCH L 67.1% C 0.126 H 248.1°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#509BDF
RGB	rgb(80, 155, 223)
HSL	hsl(209, 69%, 59%)
HSV	hsv(209, 64%, 87%)
CMYK	cmyk(64.1%, 30.5%, 0%, 12.5%)
CIE-LAB	lab(62.06, -2.42, -41.40)
CIE-LCH	lch(62.06, 41.47, 266.66°)
OKLab	oklab(67.11% -0.0469 -0.1169)
OKLCH	oklch(67.11% 0.126 248.1)
XYZ	xyz(28.3440, 30.4730, 74.1859)
Luminance	0.3048 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BDF #DF9450

analogous

#50DFDB #509BDF #5054DF

triadic

#509BDF #DF509B #9BDF50

tetradic

#509BDF #DB50DF #DF9450 #54DF50

square

#509BDF #DB50DF #DF9450 #54DF50

split-complementary

#509BDF #DF5054 #DFDB50

monochromatic

#1C5D99 #257DCC #509BDF #84B9E8 #B7D6F2

Accessibility & contrast

On white

2.96

#509BDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#509BDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509BDF

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BDF	#FFFFFF	#000000	##000000
##509BDF	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9EE2

Deuteranopia (green-blind)

#6A90DE

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509bdf;
/* rgb */ color: rgb(80, 155, 223);
/* oklch */ color: oklch(67.1% 0.126 248.1);

Tailwind

colors: {
  custom: {
    50: '#8eb8e9',
    500: '#509bdf',
    950: '#000000',
  },
}

SCSS

$custom: #509bdf;
$custom-light: #8eb8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#509bdf",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 223
  },
  "hsl": {
    "h": 208.531,
    "s": 69.082,
    "l": 59.412
  },
  "oklch": {
    "l": 0.67112,
    "c": 0.12601,
    "h": 248.1
  },
  "luminance": 0.30476
}

Semantic roles & 50–950 ramp

primary

#509BDF

secondary

#E1C4AA

accent

#903CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509BDF

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

Preview Lab → · Contrast checker → · Palette generator →