#509BE1#509BE1

#509BE1 is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.2% C 0.128 H 248.8°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#509BE1
RGB	rgb(80, 155, 225)
HSL	hsl(209, 71%, 60%)
HSV	hsv(209, 64%, 88%)
CMYK	cmyk(64.4%, 31.1%, 0%, 11.8%)
CIE-LAB	lab(62.15, -1.75, -42.36)
CIE-LCH	lch(62.15, 42.40, 267.63°)
OKLab	oklab(67.22% -0.0463 -0.1197)
OKLCH	oklch(67.22% 0.128 248.8)
XYZ	xyz(28.6152, 30.5815, 75.6144)
Luminance	0.3058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BE1 #E19650

analogous

#50E1DF #509BE1 #5052E1

triadic

#509BE1 #E1509B #9BE150

tetradic

#509BE1 #DF50E1 #E19650 #52E150

square

#509BE1 #DF50E1 #E19650 #52E150

split-complementary

#509BE1 #E15052 #E1DF50

monochromatic

#1B5E9C #247DD0 #509BE1 #84B9EA #B8D7F3

Accessibility & contrast

On white

2.95

#509BE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#509BE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509BE1

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BE1	#FFFFFF	#000000	##000000
##509BE1	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9EE4

Deuteranopia (green-blind)

#6990E0

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509be1;
/* rgb */ color: rgb(80, 155, 225);
/* oklch */ color: oklch(67.2% 0.128 248.8);

Tailwind

colors: {
  custom: {
    50: '#8fb8ea',
    500: '#509be1',
    950: '#000000',
  },
}

SCSS

$custom: #509be1;
$custom-light: #8fb8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#509be1",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 225
  },
  "hsl": {
    "h": 208.966,
    "s": 70.732,
    "l": 59.804
  },
  "oklch": {
    "l": 0.67215,
    "c": 0.1284,
    "h": 248.8
  },
  "luminance": 0.30584
}

Semantic roles & 50–950 ramp

primary

#509BE1

secondary

#E2C5AA

accent

#913AED

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #509BE1

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

Preview Lab → · Contrast checker → · Palette generator →