#509ED3#509ED3

#509ED3 is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.2% C 0.110 H 240.8°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#509ED3
RGB	rgb(80, 158, 211)
HSL	hsl(204, 60%, 57%)
HSV	hsv(204, 62%, 83%)
CMYK	cmyk(62.1%, 25.1%, 0%, 17.3%)
CIE-LAB	lab(62.39, -8.03, -34.22)
CIE-LCH	lch(62.39, 35.15, 256.79°)
OKLab	oklab(67.2% -0.0537 -0.0961)
OKLCH	oklch(67.2% 0.11 240.8)
XYZ	xyz(27.2886, 30.8597, 66.1338)
Luminance	0.3086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509ED3 #D38550

analogous

#50D3C7 #509ED3 #505DD3

triadic

#509ED3 #D3509E #9ED350

tetradic

#509ED3 #C750D3 #D38550 #5DD350

square

#509ED3 #C750D3 #D38550 #5DD350

split-complementary

#509ED3 #D3505D #D3C750

monochromatic

#225E87 #2E80B8 #509ED3 #81B9DF #B2D4EC

Accessibility & contrast

On white

2.93

#509ED3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#509ED3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509ED3

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509ED3	#FFFFFF	#000000	##000000
##509ED3	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869ED5

Deuteranopia (green-blind)

#7491D2

Tritanopia (blue-blind)

#00ABB0

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #509ed3;
/* rgb */ color: rgb(80, 158, 211);
/* oklch */ color: oklch(67.2% 0.110 240.8);

Tailwind

colors: {
  custom: {
    50: '#8dbae0',
    500: '#509ed3',
    950: '#000000',
  },
}

SCSS

$custom: #509ed3;
$custom-light: #8dbae0;
$custom-dark: #000000;

JSON

{
  "hex": "#509ed3",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 211
  },
  "hsl": {
    "h": 204.275,
    "s": 59.817,
    "l": 57.059
  },
  "oklch": {
    "l": 0.67197,
    "c": 0.11013,
    "h": 240.8
  },
  "luminance": 0.30862
}

Semantic roles & 50–950 ramp

primary

#509ED3

secondary

#DABAA5

accent

#8545E3

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509ED3

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

Preview Lab → · Contrast checker → · Palette generator →