#509CB9#509CB9

#509CB9 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.6% C 0.087 H 225.4°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#509CB9
RGB	rgb(80, 156, 185)
HSL	hsl(197, 43%, 52%)
HSV	hsv(197, 57%, 73%)
CMYK	cmyk(56.8%, 15.7%, 0%, 27.5%)
CIE-LAB	lab(60.77, -15.08, -22.17)
CIE-LCH	lch(60.77, 26.81, 235.78°)
OKLab	oklab(65.57% -0.0607 -0.0616)
OKLCH	oklch(65.57% 0.087 225.4)
XYZ	xyz(23.9503, 28.9830, 50.2217)
Luminance	0.2898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509CB9 #B96D50

analogous

#50B9A1 #509CB9 #5068B9

triadic

#509CB9 #B9509C #9CB950

tetradic

#509CB9 #A150B9 #B96D50 #68B950

square

#509CB9 #A150B9 #B96D50 #68B950

split-complementary

#509CB9 #B95068 #B9A150

monochromatic

#295566 #3A7992 #509CB9 #7CB5CA #A7CDDC

Accessibility & contrast

On white

3.09

#509CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#509CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509CB9

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509CB9	#FFFFFF	#000000	##000000
##509CB9	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)

#8C99BB

Deuteranopia (green-blind)

#7D8EB9

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509cb9;
/* rgb */ color: rgb(80, 156, 185);
/* oklch */ color: oklch(65.6% 0.087 225.4);

Tailwind

colors: {
  custom: {
    50: '#8ab9ce',
    500: '#509cb9',
    950: '#000000',
  },
}

SCSS

$custom: #509cb9;
$custom-light: #8ab9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#509cb9",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 185
  },
  "hsl": {
    "h": 196.571,
    "s": 42.857,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65565,
    "c": 0.08655,
    "h": 225.4
  },
  "luminance": 0.28985
}

Semantic roles & 50–950 ramp

primary

#509CB9

secondary

#C9A89B

accent

#7855D3

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509CB9

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

Preview Lab → · Contrast checker → · Palette generator →