#509CDF#509CDF

#509CDF is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.3% C 0.125 H 247.5°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#509CDF
RGB	rgb(80, 156, 223)
HSL	hsl(208, 69%, 59%)
HSV	hsv(208, 64%, 87%)
CMYK	cmyk(64.1%, 30%, 0%, 12.5%)
CIE-LAB	lab(62.34, -2.99, -40.96)
CIE-LCH	lch(62.34, 41.06, 265.83°)
OKLab	oklab(67.34% -0.0479 -0.1156)
OKLCH	oklch(67.34% 0.125 247.5)
XYZ	xyz(28.5111, 30.8073, 74.2416)
Luminance	0.3081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509CDF #DF9350

analogous

#50DFDB #509CDF #5055DF

triadic

#509CDF #DF509C #9CDF50

tetradic

#509CDF #DB50DF #DF9350 #55DF50

square

#509CDF #DB50DF #DF9350 #55DF50

split-complementary

#509CDF #DF5055 #DFDB50

monochromatic

#1C5E99 #257ECC #509CDF #84B9E8 #B7D7F2

Accessibility & contrast

On white

2.93

#509CDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#509CDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509CDF

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509CDF	#FFFFFF	#000000	##000000
##509CDF	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9EE2

Deuteranopia (green-blind)

#6B91DE

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #509cdf;
/* rgb */ color: rgb(80, 156, 223);
/* oklch */ color: oklch(67.3% 0.125 247.5);

Tailwind

colors: {
  custom: {
    50: '#8eb9e9',
    500: '#509cdf',
    950: '#000000',
  },
}

SCSS

$custom: #509cdf;
$custom-light: #8eb9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#509cdf",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 223
  },
  "hsl": {
    "h": 208.112,
    "s": 69.082,
    "l": 59.412
  },
  "oklch": {
    "l": 0.67336,
    "c": 0.12519,
    "h": 247.5
  },
  "luminance": 0.3081
}

Semantic roles & 50–950 ramp

primary

#509CDF

secondary

#E1C4AA

accent

#8E3CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509CDF

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

Preview Lab → · Contrast checker → · Palette generator →