#509BB1#509BB1

#509BB1 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.0% C 0.081 H 219.4°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#509BB1
RGB	rgb(80, 155, 177)
HSL	hsl(194, 38%, 50%)
HSV	hsv(194, 55%, 69%)
CMYK	cmyk(54.8%, 12.4%, 0%, 30.6%)
CIE-LAB	lab(60.18, -16.94, -18.56)
CIE-LCH	lch(60.18, 25.13, 227.61°)
OKLab	oklab(65% -0.0627 -0.0514)
OKLCH	oklch(65% 0.081 219.4)
XYZ	xyz(22.9623, 28.3204, 45.8428)
Luminance	0.2832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BB1 #B16650

analogous

#50B196 #509BB1 #506AB1

triadic

#509BB1 #B1509B #9BB150

tetradic

#509BB1 #9650B1 #B16650 #6AB150

square

#509BB1 #9650B1 #B16650 #6AB150

split-complementary

#509BB1 #B1506A #B19650

monochromatic

#29515D #3C7687 #509BB1 #7AB3C4 #A5CBD7

Accessibility & contrast

On white

3.15

#509BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#509BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BB1

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BB1	#FFFFFF	#000000	##000000
##509BB1	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B2

Deuteranopia (green-blind)

#7F8CB1

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #509bb1;
/* rgb */ color: rgb(80, 155, 177);
/* oklch */ color: oklch(65.0% 0.081 219.4);

Tailwind

colors: {
  custom: {
    50: '#89b8c8',
    500: '#509bb1',
    950: '#000000',
  },
}

SCSS

$custom: #509bb1;
$custom-light: #89b8c8;
$custom-dark: #000000;

JSON

{
  "hex": "#509bb1",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 177
  },
  "hsl": {
    "h": 193.608,
    "s": 38.34,
    "l": 50.392
  },
  "oklch": {
    "l": 0.64997,
    "c": 0.08112,
    "h": 219.4
  },
  "luminance": 0.28322
}

Semantic roles & 50–950 ramp

primary

#509BB1

secondary

#C4A399

accent

#745ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509BB1

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

Preview Lab → · Contrast checker → · Palette generator →