#509ED9#509ED9

#509ED9 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.5% C 0.117 H 243.7°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#509ED9
RGB	rgb(80, 158, 217)
HSL	hsl(206, 64%, 58%)
HSV	hsv(206, 63%, 85%)
CMYK	cmyk(63.1%, 27.2%, 0%, 14.9%)
CIE-LAB	lab(62.65, -6.09, -37.15)
CIE-LCH	lch(62.65, 37.65, 260.69°)
OKLab	oklab(67.49% -0.0518 -0.1046)
OKLCH	oklch(67.49% 0.117 243.7)
XYZ	xyz(28.0548, 31.1662, 70.1694)
Luminance	0.3117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509ED9 #D98B50

analogous

#50D9CF #509ED9 #505AD9

triadic

#509ED9 #D9509E #9ED950

tetradic

#509ED9 #CF50D9 #D98B50 #5AD950

square

#509ED9 #CF50D9 #D98B50 #5AD950

split-complementary

#509ED9 #D9505A #D9CF50

monochromatic

#1F5F8F #2A80C2 #509ED9 #82BAE4 #B5D6EF

Accessibility & contrast

On white

2.90

#509ED9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#509ED9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509ED9

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509ED9	#FFFFFF	#000000	##000000
##509ED9	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849FDC

Deuteranopia (green-blind)

#7192D8

Tritanopia (blue-blind)

#00ACB2

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #509ed9;
/* rgb */ color: rgb(80, 158, 217);
/* oklch */ color: oklch(67.5% 0.117 243.7);

Tailwind

colors: {
  custom: {
    50: '#8ebae5',
    500: '#509ed9',
    950: '#000000',
  },
}

SCSS

$custom: #509ed9;
$custom-light: #8ebae5;
$custom-dark: #000000;

JSON

{
  "hex": "#509ed9",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 217
  },
  "hsl": {
    "h": 205.839,
    "s": 64.319,
    "l": 58.235
  },
  "oklch": {
    "l": 0.67486,
    "c": 0.11673,
    "h": 243.7
  },
  "luminance": 0.31169
}

Semantic roles & 50–950 ramp

primary

#509ED9

secondary

#DEBFA7

accent

#8840E7

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #509ED9

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

Preview Lab → · Contrast checker → · Palette generator →