#518BDE#518BDE
#518BDE is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.6% C 0.140 H 257.5°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).
Color values
| HEX | #518BDE |
|---|---|
| RGB | rgb(81, 139, 222) |
| HSL | hsl(215, 68%, 59%) |
| HSV | hsv(215, 64%, 87%) |
| CMYK | cmyk(63.5%, 37.4%, 0%, 12.9%) |
| CIE-LAB | lab(57.55, 6.76, -47.96) |
| CIE-LCH | lch(57.55, 48.44, 278.02°) |
| OKLab | oklab(63.57% -0.0302 -0.1362) |
| OKLCH | oklch(63.57% 0.14 257.5) |
| XYZ | xyz(25.8061, 25.4860, 72.6524) |
| Luminance | 0.2549 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.15
Dodger Blue
#3E82FC
ΔE00 3.96
Cornflowerblue
#6495ED
ΔE00 4.08
Faded Blue
#658CBB
ΔE00 4.17
Dodgerblue
#1E90FF
ΔE00 4.26
Soft Blue
#6488EA
ΔE00 4.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#518BDE #DEA451
analogous
#51D2DE #518BDE #5E51DE
triadic
#518BDE #DE518B #8BDE51
tetradic
#518BDE #DE51D2 #DEA451 #51DE5E
square
#518BDE #DE51D2 #DEA451 #51DE5E
split-complementary
#518BDE #DE5E51 #D2DE51
monochromatic
#1D4F98 #276ACB #518BDE #84ADE8 #B8D0F2
Accessibility & contrast
On white
3.44
#518BDE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.10
#518BDE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #518BDE
6.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##518BDE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##518BDE | 1.00 | 3.44 | 6.10 | 6.10 |
| #FFFFFF | 3.44 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.10 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.10 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6791E1
Deuteranopia (green-blind)
#5384DC
Tritanopia (blue-blind)
#009EAA
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #518bde; /* rgb */ color: rgb(81, 139, 222); /* oklch */ color: oklch(63.6% 0.140 257.5);
Tailwind
colors: {
custom: {
50: '#8eace9',
500: '#518bde',
950: '#000000',
},
}SCSS
$custom: #518bde; $custom-light: #8eace9; $custom-dark: #000000;
JSON
{
"hex": "#518bde",
"rgb": {
"r": 81,
"g": 139,
"b": 222
},
"hsl": {
"h": 215.319,
"s": 68.116,
"l": 59.412
},
"oklch": {
"l": 0.63574,
"c": 0.13956,
"h": 257.5
},
"luminance": 0.25488
}Semantic roles & 50–950 ramp
primary
#518BDE
secondary
#E1CAAA
accent
#A33DEB
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0D1016
muted
#7E7F84