#509BB4#509BB4

#509BB4 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.083 H 222.2°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#509BB4
RGB	rgb(80, 155, 180)
HSL	hsl(195, 40%, 51%)
HSV	hsv(195, 56%, 71%)
CMYK	cmyk(55.6%, 13.9%, 0%, 29.4%)
CIE-LAB	lab(60.29, -16.05, -20.09)
CIE-LCH	lch(60.29, 25.71, 231.38°)
OKLab	oklab(65.12% -0.0615 -0.0557)
OKLCH	oklch(65.12% 0.083 222.2)
XYZ	xyz(23.2646, 28.4413, 47.4349)
Luminance	0.2844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BB4 #B46950

analogous

#50B49B #509BB4 #5069B4

triadic

#509BB4 #B4509B #9BB450

tetradic

#509BB4 #9B50B4 #B46950 #69B450

square

#509BB4 #9B50B4 #B46950 #69B450

split-complementary

#509BB4 #B45069 #B49B50

monochromatic

#295360 #3C778B #509BB4 #7BB3C6 #A6CCD9

Accessibility & contrast

On white

3.14

#509BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#509BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BB4

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BB4	#FFFFFF	#000000	##000000
##509BB4	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B5

Deuteranopia (green-blind)

#7E8DB4

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #509bb4;
/* rgb */ color: rgb(80, 155, 180);
/* oklch */ color: oklch(65.1% 0.083 222.2);

Tailwind

colors: {
  custom: {
    50: '#89b8ca',
    500: '#509bb4',
    950: '#000000',
  },
}

SCSS

$custom: #509bb4;
$custom-light: #89b8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#509bb4",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 180
  },
  "hsl": {
    "h": 195,
    "s": 40,
    "l": 50.98
  },
  "oklch": {
    "l": 0.65119,
    "c": 0.08304,
    "h": 222.2
  },
  "luminance": 0.28443
}

Semantic roles & 50–950 ramp

primary

#509BB4

secondary

#C6A59A

accent

#7658D0

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509BB4

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

Preview Lab → · Contrast checker → · Palette generator →