#519BFF#519BFF
#519BFF is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.9% C 0.165 H 256.6°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).
Color values
| HEX | #519BFF |
|---|---|
| RGB | rgb(81, 155, 255) |
| HSL | hsl(214, 100%, 66%) |
| HSV | hsv(214, 68%, 100%) |
| CMYK | cmyk(68.2%, 39.2%, 0%, 0%) |
| CIE-LAB | lab(63.68, 8.54, -56.44) |
| CIE-LCH | lch(63.68, 57.08, 278.60°) |
| OKLab | oklab(68.91% -0.0382 -0.1609) |
| OKLCH | oklch(68.91% 0.165 256.6) |
| XYZ | xyz(33.1581, 32.4086, 99.0963) |
| Luminance | 0.3241 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 3.65
Dodgerblue
#1E90FF
ΔE00 4.08
Dark Sky Blue
#448EE4
ΔE00 4.86
Azure (survey)
#069AF3
ΔE00 5.98
Soft Blue
#6488EA
ΔE00 7.80
Dodger Blue
#3E82FC
ΔE00 7.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#519BFF #FFB551
analogous
#51F2FF #519BFF #5E51FF
triadic
#519BFF #FF519B #9BFF51
tetradic
#519BFF #FF51F2 #FFB551 #51FF5E
square
#519BFF #FF51F2 #FFB551 #51FF5E
split-complementary
#519BFF #FF5E51 #F2FF51
monochromatic
#005BD6 #1478FF #519BFF #8EBEFF #CBE1FF
Accessibility & contrast
On white
2.81
#519BFF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.48
#519BFF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #519BFF
7.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##519BFF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##519BFF | 1.00 | 2.81 | 7.48 | 7.48 |
| #FFFFFF | 2.81 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.48 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.48 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6DA3FF
Deuteranopia (green-blind)
#5293FD
Tritanopia (blue-blind)
#00B2C1
Achromatopsia (no color)
#9A9A9A
Design tokens & code
CSS
--color: #519bff; /* rgb */ color: rgb(81, 155, 255); /* oklch */ color: oklch(68.9% 0.165 256.6);
Tailwind
colors: {
custom: {
50: '#94b8ff',
500: '#519bff',
950: '#000000',
},
}SCSS
$custom: #519bff; $custom-light: #94b8ff; $custom-dark: #000000;
JSON
{
"hex": "#519bff",
"rgb": {
"r": 81,
"g": 155,
"b": 255
},
"hsl": {
"h": 214.483,
"s": 100,
"l": 65.882
},
"oklch": {
"l": 0.68905,
"c": 0.16535,
"h": 256.6
},
"luminance": 0.32412
}Semantic roles & 50–950 ramp
primary
#519BFF
secondary
#F3DAB9
accent
#8400E6
background
#F9FBFF
surface
#F2F6FF
border
#CCD0D7
text
#0F1118
muted
#7E8086