#509BDD#509BDD

#509BDD is a light, vivid cyan. Relative luminance 0.304; OKLCH L 67.0% C 0.124 H 247.4°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#509BDD
RGB	rgb(80, 155, 221)
HSL	hsl(208, 67%, 59%)
HSV	hsv(208, 64%, 87%)
CMYK	cmyk(63.8%, 29.9%, 0%, 13.3%)
CIE-LAB	lab(61.97, -3.08, -40.44)
CIE-LCH	lch(61.97, 40.55, 265.65°)
OKLab	oklab(67.01% -0.0475 -0.1141)
OKLCH	oklch(67.01% 0.124 247.4)
XYZ	xyz(28.0759, 30.3658, 72.7742)
Luminance	0.3037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509BDD #DD9250

analogous

#50DDD9 #509BDD #5055DD

triadic

#509BDD #DD509B #9BDD50

tetradic

#509BDD #D950DD #DD9250 #55DD50

square

#509BDD #D950DD #DD9250 #55DD50

split-complementary

#509BDD #DD5055 #DDD950

monochromatic

#1D5D96 #277DC9 #509BDD #83B8E7 #B6D6F1

Accessibility & contrast

On white

2.97

#509BDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#509BDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #509BDD

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509BDD	#FFFFFF	#000000	##000000
##509BDD	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9DE0

Deuteranopia (green-blind)

#6B90DC

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #509bdd;
/* rgb */ color: rgb(80, 155, 221);
/* oklch */ color: oklch(67.0% 0.124 247.4);

Tailwind

colors: {
  custom: {
    50: '#8eb8e8',
    500: '#509bdd',
    950: '#000000',
  },
}

SCSS

$custom: #509bdd;
$custom-light: #8eb8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#509bdd",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 221
  },
  "hsl": {
    "h": 208.085,
    "s": 67.464,
    "l": 59.02
  },
  "oklch": {
    "l": 0.6701,
    "c": 0.12364,
    "h": 247.4
  },
  "luminance": 0.30369
}

Semantic roles & 50–950 ramp

primary

#509BDD

secondary

#E0C3A9

accent

#8E3DEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #509BDD

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

Preview Lab → · Contrast checker → · Palette generator →