#509DB5#509DB5

#509DB5 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.6% C 0.084 H 220.7°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#509DB5
RGB	rgb(80, 157, 181)
HSL	hsl(194, 41%, 51%)
HSV	hsv(194, 56%, 71%)
CMYK	cmyk(55.8%, 13.3%, 0%, 29%)
CIE-LAB	lab(60.92, -16.82, -19.69)
CIE-LCH	lch(60.92, 25.90, 229.49°)
OKLab	oklab(65.64% -0.0634 -0.0546)
OKLCH	oklch(65.64% 0.084 220.7)
XYZ	xyz(23.7025, 29.1534, 48.0852)
Luminance	0.2916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509DB5 #B56850

analogous

#50B59A #509DB5 #506AB5

triadic

#509DB5 #B5509D #9DB550

tetradic

#509DB5 #9A50B5 #B56850 #6AB550

square

#509DB5 #9A50B5 #B56850 #6AB550

split-complementary

#509DB5 #B5506A #B59A50

monochromatic

#295461 #3B798C #509DB5 #7BB5C7 #A6CDD9

Accessibility & contrast

On white

3.07

#509DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#509DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509DB5

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509DB5	#FFFFFF	#000000	##000000
##509DB5	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B6

Deuteranopia (green-blind)

#808EB5

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #509db5;
/* rgb */ color: rgb(80, 157, 181);
/* oklch */ color: oklch(65.6% 0.084 220.7);

Tailwind

colors: {
  custom: {
    50: '#89bacb',
    500: '#509db5',
    950: '#000000',
  },
}

SCSS

$custom: #509db5;
$custom-light: #89bacb;
$custom-dark: #000000;

JSON

{
  "hex": "#509db5",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 181
  },
  "hsl": {
    "h": 194.257,
    "s": 40.562,
    "l": 51.176
  },
  "oklch": {
    "l": 0.65636,
    "c": 0.08371,
    "h": 220.7
  },
  "luminance": 0.29156
}

Semantic roles & 50–950 ramp

primary

#509DB5

secondary

#C7A59A

accent

#7457D0

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509DB5

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

Preview Lab → · Contrast checker → · Palette generator →