#509FDB#509FDB

#509FDB is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.8% C 0.118 H 243.8°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#509FDB
RGB	rgb(80, 159, 219)
HSL	hsl(206, 66%, 59%)
HSV	hsv(206, 63%, 86%)
CMYK	cmyk(63.5%, 27.4%, 0%, 14.1%)
CIE-LAB	lab(63.02, -6.00, -37.68)
CIE-LCH	lch(63.02, 38.15, 260.95°)
OKLab	oklab(67.81% -0.0522 -0.1061)
OKLCH	oklch(67.81% 0.118 243.8)
XYZ	xyz(28.4878, 31.6134, 71.6048)
Luminance	0.3162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509FDB #DB8C50

analogous

#50DBD1 #509FDB #5059DB

triadic

#509FDB #DB509F #9FDB50

tetradic

#509FDB #D150DB #DB8C50 #59DB50

square

#509FDB #D150DB #DB8C50 #59DB50

split-complementary

#509FDB #DB5059 #DBD150

monochromatic

#1E6092 #2982C5 #509FDB #83BBE5 #B6D7F0

Accessibility & contrast

On white

2.87

#509FDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#509FDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509FDB

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509FDB	#FFFFFF	#000000	##000000
##509FDB	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A0DE

Deuteranopia (green-blind)

#7192DA

Tritanopia (blue-blind)

#00AEB4

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #509fdb;
/* rgb */ color: rgb(80, 159, 219);
/* oklch */ color: oklch(67.8% 0.118 243.8);

Tailwind

colors: {
  custom: {
    50: '#8ebbe6',
    500: '#509fdb',
    950: '#000000',
  },
}

SCSS

$custom: #509fdb;
$custom-light: #8ebbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#509fdb",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 219
  },
  "hsl": {
    "h": 205.899,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.67811,
    "c": 0.11826,
    "h": 243.8
  },
  "luminance": 0.31616
}

Semantic roles & 50–950 ramp

primary

#509FDB

secondary

#DFC0A8

accent

#883FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509FDB

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

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