#509BD3#509BD3

#509BD3 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.5% C 0.112 H 243.2°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#509BD3
RGB	rgb(80, 155, 211)
HSL	hsl(206, 60%, 57%)
HSV	hsv(206, 62%, 83%)
CMYK	cmyk(62.1%, 26.5%, 0%, 17.3%)
CIE-LAB	lab(61.52, -6.35, -35.57)
CIE-LCH	lch(61.52, 36.13, 259.88°)
OKLab	oklab(66.51% -0.0506 -0.1)
OKLCH	oklch(66.51% 0.112 243.2)
XYZ	xyz(26.7831, 29.8487, 65.9653)
Luminance	0.2985 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BD3 #D38850

analogous

#50D3CA #509BD3 #505AD3

triadic

#509BD3 #D3509B #9BD350

tetradic

#509BD3 #CA50D3 #D38850 #5AD350

square

#509BD3 #CA50D3 #D38850 #5AD350

split-complementary

#509BD3 #D3505A #D3CA50

monochromatic

#225C87 #2E7DB8 #509BD3 #81B7DF #B2D3EC

Accessibility & contrast

On white

3.01

#509BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#509BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BD3

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BD3	#FFFFFF	#000000	##000000
##509BD3	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD6

Deuteranopia (green-blind)

#708FD2

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509bd3;
/* rgb */ color: rgb(80, 155, 211);
/* oklch */ color: oklch(66.5% 0.112 243.2);

Tailwind

colors: {
  custom: {
    50: '#8db8e0',
    500: '#509bd3',
    950: '#000000',
  },
}

SCSS

$custom: #509bd3;
$custom-light: #8db8e0;
$custom-dark: #000000;

JSON

{
  "hex": "#509bd3",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 211
  },
  "hsl": {
    "h": 205.649,
    "s": 59.817,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66512,
    "c": 0.11209,
    "h": 243.2
  },
  "luminance": 0.29851
}

Semantic roles & 50–950 ramp

primary

#509BD3

secondary

#DABCA5

accent

#8845E3

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #509BD3

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

Preview Lab → · Contrast checker → · Palette generator →