#509DD1#509DD1

#509DD1 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.9% C 0.109 H 240.6°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#509DD1
RGB	rgb(80, 157, 209)
HSL	hsl(204, 58%, 57%)
HSV	hsv(204, 62%, 82%)
CMYK	cmyk(61.7%, 24.9%, 0%, 18%)
CIE-LAB	lab(62.02, -8.12, -33.69)
CIE-LCH	lch(62.02, 34.65, 256.45°)
OKLab	oklab(66.87% -0.0533 -0.0946)
OKLCH	oklch(66.87% 0.109 240.6)
XYZ	xyz(26.8695, 30.4202, 64.7649)
Luminance	0.3042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DD1 #D18450

analogous

#50D1C5 #509DD1 #505DD1

triadic

#509DD1 #D1509D #9DD150

tetradic

#509DD1 #C550D1 #D18450 #5DD150

square

#509DD1 #C550D1 #D18450 #5DD150

split-complementary

#509DD1 #D1505D #D1C550

monochromatic

#235D84 #2F7FB4 #509DD1 #80B8DE #B1D3EA

Accessibility & contrast

On white

2.96

#509DD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#509DD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509DD1

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DD1	#FFFFFF	#000000	##000000
##509DD1	1.00	2.96	7.08	7.08
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869DD3

Deuteranopia (green-blind)

#7490D0

Tritanopia (blue-blind)

#00AAAF

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509dd1;
/* rgb */ color: rgb(80, 157, 209);
/* oklch */ color: oklch(66.9% 0.109 240.6);

Tailwind

colors: {
  custom: {
    50: '#8cb9df',
    500: '#509dd1',
    950: '#000000',
  },
}

SCSS

$custom: #509dd1;
$custom-light: #8cb9df;
$custom-dark: #000000;

JSON

{
  "hex": "#509dd1",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 209
  },
  "hsl": {
    "h": 204.186,
    "s": 58.371,
    "l": 56.667
  },
  "oklch": {
    "l": 0.66873,
    "c": 0.10859,
    "h": 240.6
  },
  "luminance": 0.30423
}

Semantic roles & 50–950 ramp

primary

#509DD1

secondary

#D9B9A4

accent

#8546E2

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509DD1

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

Preview Lab → · Contrast checker → · Palette generator →