#509AC8#509AC8

#509AC8 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.8% C 0.101 H 238.2°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#509AC8
RGB	rgb(80, 154, 200)
HSL	hsl(203, 52%, 55%)
HSV	hsv(203, 60%, 78%)
CMYK	cmyk(60%, 23%, 0%, 21.6%)
CIE-LAB	lab(60.77, -9.32, -30.60)
CIE-LCH	lch(60.77, 31.99, 253.05°)
OKLab	oklab(65.76% -0.0531 -0.0857)
OKLCH	oklch(65.76% 0.101 238.2)
XYZ	xyz(25.2853, 28.9844, 58.8944)
Luminance	0.2899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509AC8 #C87E50

analogous

#50C8BA #509AC8 #505EC8

triadic

#509AC8 #C8509A #9AC850

tetradic

#509AC8 #BA50C8 #C87E50 #5EC850

square

#509AC8 #BA50C8 #C87E50 #5EC850

split-complementary

#509AC8 #C8505E #C8BA50

monochromatic

#265878 #347BA6 #509AC8 #7FB5D7 #ADD0E5

Accessibility & contrast

On white

3.09

#509AC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#509AC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509AC8

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509AC8	#FFFFFF	#000000	##000000
##509AC8	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8599CA

Deuteranopia (green-blind)

#748DC7

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509ac8;
/* rgb */ color: rgb(80, 154, 200);
/* oklch */ color: oklch(65.8% 0.101 238.2);

Tailwind

colors: {
  custom: {
    50: '#8bb7d9',
    500: '#509ac8',
    950: '#000000',
  },
}

SCSS

$custom: #509ac8;
$custom-light: #8bb7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#509ac8",
  "rgb": {
    "r": 80,
    "g": 154,
    "b": 200
  },
  "hsl": {
    "h": 203,
    "s": 52.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.6576,
    "c": 0.10083,
    "h": 238.2
  },
  "luminance": 0.28987
}

Semantic roles & 50–950 ramp

primary

#509AC8

secondary

#D3B4A1

accent

#834CDC

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #509AC8

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

Preview Lab → · Contrast checker → · Palette generator →