#509DD3#509DD3

#509DD3 is a light, moderate cyan. Relative luminance 0.305; OKLCH L 67.0% C 0.111 H 241.6°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#509DD3
RGB	rgb(80, 157, 211)
HSL	hsl(205, 60%, 57%)
HSV	hsv(205, 62%, 83%)
CMYK	cmyk(62.1%, 25.6%, 0%, 17.3%)
CIE-LAB	lab(62.10, -7.47, -34.67)
CIE-LCH	lch(62.10, 35.47, 257.84°)
OKLab	oklab(66.97% -0.0527 -0.0974)
OKLCH	oklch(66.97% 0.111 241.6)
XYZ	xyz(27.1187, 30.5199, 66.0772)
Luminance	0.3052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DD3 #D38650

analogous

#50D3C8 #509DD3 #505CD3

triadic

#509DD3 #D3509D #9DD350

tetradic

#509DD3 #C850D3 #D38650 #5CD350

square

#509DD3 #C850D3 #D38650 #5CD350

split-complementary

#509DD3 #D3505C #D3C850

monochromatic

#225D87 #2E7FB8 #509DD3 #81B8DF #B2D4EC

Accessibility & contrast

On white

2.96

#509DD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#509DD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509DD3

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DD3	#FFFFFF	#000000	##000000
##509DD3	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859DD5

Deuteranopia (green-blind)

#7390D2

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509dd3;
/* rgb */ color: rgb(80, 157, 211);
/* oklch */ color: oklch(67.0% 0.111 241.6);

Tailwind

colors: {
  custom: {
    50: '#8db9e0',
    500: '#509dd3',
    950: '#000000',
  },
}

SCSS

$custom: #509dd3;
$custom-light: #8db9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#509dd3",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 211
  },
  "hsl": {
    "h": 204.733,
    "s": 59.817,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66968,
    "c": 0.11076,
    "h": 241.6
  },
  "luminance": 0.30523
}

Semantic roles & 50–950 ramp

primary

#509DD3

secondary

#DABBA5

accent

#8645E3

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509DD3

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

Preview Lab → · Contrast checker → · Palette generator →