#509BDB#509BDB

#509BDB is a light, vivid cyan. Relative luminance 0.303; OKLCH L 66.9% C 0.121 H 246.6°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#509BDB
RGB	rgb(80, 155, 219)
HSL	hsl(208, 66%, 59%)
HSV	hsv(208, 63%, 86%)
CMYK	cmyk(63.5%, 29.2%, 0%, 14.1%)
CIE-LAB	lab(61.88, -3.74, -39.47)
CIE-LCH	lch(61.88, 39.64, 264.59°)
OKLab	oklab(66.91% -0.0481 -0.1113)
OKLCH	oklch(66.91% 0.121 246.6)
XYZ	xyz(27.8110, 30.2599, 71.3792)
Luminance	0.3026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BDB #DB9050

analogous

#50DBD5 #509BDB #5055DB

triadic

#509BDB #DB509B #9BDB50

tetradic

#509BDB #D550DB #DB9050 #55DB50

square

#509BDB #D550DB #DB9050 #55DB50

split-complementary

#509BDB #DB5055 #DBD550

monochromatic

#1E5D92 #297DC5 #509BDB #83B8E5 #B6D5F0

Accessibility & contrast

On white

2.98

#509BDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#509BDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509BDB

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BDB	#FFFFFF	#000000	##000000
##509BDB	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9DDE

Deuteranopia (green-blind)

#6C8FDA

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #509bdb;
/* rgb */ color: rgb(80, 155, 219);
/* oklch */ color: oklch(66.9% 0.121 246.6);

Tailwind

colors: {
  custom: {
    50: '#8eb8e6',
    500: '#509bdb',
    950: '#000000',
  },
}

SCSS

$custom: #509bdb;
$custom-light: #8eb8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#509bdb",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 219
  },
  "hsl": {
    "h": 207.626,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.66908,
    "c": 0.12128,
    "h": 246.6
  },
  "luminance": 0.30263
}

Semantic roles & 50–950 ramp

primary

#509BDB

secondary

#DFC1A8

accent

#8D3FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509BDB

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

Preview Lab → · Contrast checker → · Palette generator →