#509BB3#509BB3

#509BB3 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.082 H 221.3°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#509BB3
RGB	rgb(80, 155, 179)
HSL	hsl(195, 39%, 51%)
HSV	hsv(195, 55%, 70%)
CMYK	cmyk(55.3%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(60.25, -16.35, -19.58)
CIE-LCH	lch(60.25, 25.51, 230.14°)
OKLab	oklab(65.08% -0.0619 -0.0543)
OKLCH	oklch(65.08% 0.082 221.3)
XYZ	xyz(23.1631, 28.4007, 46.9003)
Luminance	0.2840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BB3 #B36850

analogous

#50B399 #509BB3 #5069B3

triadic

#509BB3 #B3509B #9BB350

tetradic

#509BB3 #9950B3 #B36850 #69B350

square

#509BB3 #9950B3 #B36850 #69B350

split-complementary

#509BB3 #B35069 #B39950

monochromatic

#29525F #3C778A #509BB3 #7BB3C6 #A5CCD8

Accessibility & contrast

On white

3.14

#509BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#509BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BB3

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BB3	#FFFFFF	#000000	##000000
##509BB3	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B4

Deuteranopia (green-blind)

#7E8CB3

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #509bb3;
/* rgb */ color: rgb(80, 155, 179);
/* oklch */ color: oklch(65.1% 0.082 221.3);

Tailwind

colors: {
  custom: {
    50: '#89b8c9',
    500: '#509bb3',
    950: '#000000',
  },
}

SCSS

$custom: #509bb3;
$custom-light: #89b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#509bb3",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 194.545,
    "s": 39.442,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65078,
    "c": 0.08238,
    "h": 221.3
  },
  "luminance": 0.28403
}

Semantic roles & 50–950 ramp

primary

#509BB3

secondary

#C5A499

accent

#7558CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509BB3

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

Preview Lab → · Contrast checker → · Palette generator →