#509FD9#509FD9

#509FD9 is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.7% C 0.116 H 242.9°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#509FD9
RGB	rgb(80, 159, 217)
HSL	hsl(205, 64%, 58%)
HSV	hsv(205, 63%, 85%)
CMYK	cmyk(63.1%, 26.7%, 0%, 14.9%)
CIE-LAB	lab(62.93, -6.65, -36.71)
CIE-LCH	lch(62.93, 37.30, 259.73°)
OKLab	oklab(67.71% -0.0528 -0.1033)
OKLCH	oklch(67.71% 0.116 242.9)
XYZ	xyz(28.2261, 31.5087, 70.2264)
Luminance	0.3151 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FD9 #D98A50

analogous

#50D9CE #509FD9 #505BD9

triadic

#509FD9 #D9509F #9FD950

tetradic

#509FD9 #CE50D9 #D98A50 #5BD950

square

#509FD9 #CE50D9 #D98A50 #5BD950

split-complementary

#509FD9 #D9505B #D9CE50

monochromatic

#1F608F #2A82C2 #509FD9 #82BBE4 #B5D6EF

Accessibility & contrast

On white

2.88

#509FD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#509FD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509FD9

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FD9	#FFFFFF	#000000	##000000
##509FD9	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A0DC

Deuteranopia (green-blind)

#7292D8

Tritanopia (blue-blind)

#00ADB3

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #509fd9;
/* rgb */ color: rgb(80, 159, 217);
/* oklch */ color: oklch(67.7% 0.116 242.9);

Tailwind

colors: {
  custom: {
    50: '#8ebbe5',
    500: '#509fd9',
    950: '#000000',
  },
}

SCSS

$custom: #509fd9;
$custom-light: #8ebbe5;
$custom-dark: #000000;

JSON

{
  "hex": "#509fd9",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 217
  },
  "hsl": {
    "h": 205.401,
    "s": 64.319,
    "l": 58.235
  },
  "oklch": {
    "l": 0.67713,
    "c": 0.11603,
    "h": 242.9
  },
  "luminance": 0.31512
}

Semantic roles & 50–950 ramp

primary

#509FD9

secondary

#DEBEA7

accent

#8740E7

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #509FD9

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

Preview Lab → · Contrast checker → · Palette generator →