#509BD9#509BD9

#509BD9 is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.8% C 0.119 H 245.8°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#509BD9
RGB	rgb(80, 155, 217)
HSL	hsl(207, 64%, 58%)
HSV	hsv(207, 63%, 85%)
CMYK	cmyk(63.1%, 28.6%, 0%, 14.9%)
CIE-LAB	lab(61.79, -4.39, -38.50)
CIE-LCH	lch(61.79, 38.75, 263.49°)
OKLab	oklab(66.81% -0.0487 -0.1085)
OKLCH	oklch(66.81% 0.119 245.8)
XYZ	xyz(27.5493, 30.1552, 70.0009)
Luminance	0.3016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BD9 #D98E50

analogous

#50D9D2 #509BD9 #5056D9

triadic

#509BD9 #D9509B #9BD950

tetradic

#509BD9 #D250D9 #D98E50 #56D950

square

#509BD9 #D250D9 #D98E50 #56D950

split-complementary

#509BD9 #D95056 #D9D250

monochromatic

#1F5D8F #2A7DC2 #509BD9 #82B8E4 #B5D4EF

Accessibility & contrast

On white

2.99

#509BD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#509BD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509BD9

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BD9	#FFFFFF	#000000	##000000
##509BD9	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809DDC

Deuteranopia (green-blind)

#6D8FD8

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509bd9;
/* rgb */ color: rgb(80, 155, 217);
/* oklch */ color: oklch(66.8% 0.119 245.8);

Tailwind

colors: {
  custom: {
    50: '#8db8e5',
    500: '#509bd9',
    950: '#000000',
  },
}

SCSS

$custom: #509bd9;
$custom-light: #8db8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#509bd9",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 217
  },
  "hsl": {
    "h": 207.153,
    "s": 64.319,
    "l": 58.235
  },
  "oklch": {
    "l": 0.66808,
    "c": 0.11894,
    "h": 245.8
  },
  "luminance": 0.30158
}

Semantic roles & 50–950 ramp

primary

#509BD9

secondary

#DEC0A7

accent

#8C40E7

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #509BD9

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

Preview Lab → · Contrast checker → · Palette generator →