#509BB0#509BB0

#509BB0 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.0% C 0.081 H 218.4°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#509BB0
RGB	rgb(80, 155, 176)
HSL	hsl(193, 38%, 50%)
HSV	hsv(193, 55%, 69%)
CMYK	cmyk(54.5%, 11.9%, 0%, 31%)
CIE-LAB	lab(60.14, -17.24, -18.05)
CIE-LCH	lch(60.14, 24.96, 226.32°)
OKLab	oklab(64.96% -0.0631 -0.05)
OKLCH	oklch(64.96% 0.081 218.4)
XYZ	xyz(22.8630, 28.2807, 45.3197)
Luminance	0.2828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BB0 #B06550

analogous

#50B095 #509BB0 #506BB0

triadic

#509BB0 #B0509B #9BB050

tetradic

#509BB0 #9550B0 #B06550 #6BB050

square

#509BB0 #9550B0 #B06550 #6BB050

split-complementary

#509BB0 #B0506B #B09550

monochromatic

#2A515C #3D7686 #509BB0 #7AB3C3 #A4CBD6

Accessibility & contrast

On white

3.15

#509BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#509BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509BB0

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BB0	#FFFFFF	#000000	##000000
##509BB0	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)

#8D97B1

Deuteranopia (green-blind)

#7F8CB0

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #509bb0;
/* rgb */ color: rgb(80, 155, 176);
/* oklch */ color: oklch(65.0% 0.081 218.4);

Tailwind

colors: {
  custom: {
    50: '#89b8c7',
    500: '#509bb0',
    950: '#000000',
  },
}

SCSS

$custom: #509bb0;
$custom-light: #89b8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#509bb0",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 193.125,
    "s": 37.795,
    "l": 50.196
  },
  "oklch": {
    "l": 0.64957,
    "c": 0.08053,
    "h": 218.4
  },
  "luminance": 0.28283
}

Semantic roles & 50–950 ramp

primary

#509BB0

secondary

#C3A298

accent

#735ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #509BB0

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

Preview Lab → · Contrast checker → · Palette generator →