#519FEB#519FEB
#519FEB is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.7% C 0.137 H 249.9°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).
Color values
| HEX | #519FEB |
|---|---|
| RGB | rgb(81, 159, 235) |
| HSL | hsl(210, 79%, 62%) |
| HSV | hsv(210, 66%, 92%) |
| CMYK | cmyk(65.5%, 32.3%, 0%, 7.8%) |
| CIE-LAB | lab(63.79, -0.55, -45.31) |
| CIE-LCH | lch(63.79, 45.31, 269.31°) |
| OKLab | oklab(68.66% -0.0469 -0.1283) |
| OKLCH | oklch(68.66% 0.137 249.9) |
| XYZ | xyz(30.7813, 32.5406, 83.2399) |
| Luminance | 0.3254 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.64
Dodgerblue
#1E90FF
ΔE00 4.88
Dark Sky Blue
#448EE4
ΔE00 5.39
Cornflowerblue
#6495ED
ΔE00 5.69
Sky Blue (survey)
#75BBFD
ΔE00 7.99
Faded Blue
#658CBB
ΔE00 8.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#519FEB #EB9D51
analogous
#51EBEA #519FEB #5152EB
triadic
#519FEB #EB519F #9FEB51
tetradic
#519FEB #EA51EB #EB9D51 #52EB51
square
#519FEB #EA51EB #EB9D51 #52EB51
split-complementary
#519FEB #EB5152 #EBEA51
monochromatic
#1462AE #1A81E5 #519FEB #88BDF1 #BFDCF8
Accessibility & contrast
On white
2.80
#519FEB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.51
#519FEB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #519FEB
7.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##519FEB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##519FEB | 1.00 | 2.80 | 7.51 | 7.51 |
| #FFFFFF | 2.80 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.51 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.51 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7EA3EE
Deuteranopia (green-blind)
#6894EA
Tritanopia (blue-blind)
#00B1BA
Achromatopsia (no color)
#9A9A9A
Design tokens & code
CSS
--color: #519feb; /* rgb */ color: rgb(81, 159, 235); /* oklch */ color: oklch(68.7% 0.137 249.9);
Tailwind
colors: {
custom: {
50: '#91bbf2',
500: '#519feb',
950: '#000000',
},
}SCSS
$custom: #519feb; $custom-light: #91bbf2; $custom-dark: #000000;
JSON
{
"hex": "#519feb",
"rgb": {
"r": 81,
"g": 159,
"b": 235
},
"hsl": {
"h": 209.61,
"s": 79.381,
"l": 61.961
},
"oklch": {
"l": 0.68663,
"c": 0.13657,
"h": 249.9
},
"luminance": 0.32544
}Semantic roles & 50–950 ramp
primary
#519FEB
secondary
#E8CCB0
accent
#710ADC
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085