#578AEA#578AEA
#578AEA is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.3% C 0.154 H 261.9°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).
Color values
| HEX | #578AEA |
|---|---|
| RGB | rgb(87, 138, 234) |
| HSL | hsl(219, 78%, 63%) |
| HSV | hsv(219, 63%, 92%) |
| CMYK | cmyk(62.8%, 41%, 0%, 8.2%) |
| CIE-LAB | lab(58.17, 12.46, -53.64) |
| CIE-LCH | lch(58.17, 55.07, 283.07°) |
| OKLab | oklab(64.34% -0.0217 -0.1528) |
| OKLCH | oklch(64.34% 0.154 261.9) |
| XYZ | xyz(27.8650, 26.1411, 81.4032) |
| Luminance | 0.2614 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 2.53
Dodger Blue
#3E82FC
ΔE00 3.09
Cornflowerblue
#6495ED
ΔE00 3.43
Dark Sky Blue
#448EE4
ΔE00 3.91
Faded Blue
#658CBB
ΔE00 4.84
Azure
#007FFF
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#578AEA #EAB757
analogous
#57D3EA #578AEA #6D57EA
triadic
#578AEA #EA578A #8AEA57
tetradic
#578AEA #EA57D3 #EAB757 #57EA6D
square
#578AEA #EA57D3 #EAB757 #57EA6D
split-complementary
#578AEA #EA6D57 #D3EA57
monochromatic
#164CB1 #2164E3 #578AEA #8DB0F1 #C4D6F8
Accessibility & contrast
On white
3.37
#578AEA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.23
#578AEA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #578AEA
6.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##578AEA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##578AEA | 1.00 | 3.37 | 6.23 | 6.23 |
| #FFFFFF | 3.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F93EE
Deuteranopia (green-blind)
#4986E8
Tritanopia (blue-blind)
#00A0AF
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #578aea; /* rgb */ color: rgb(87, 138, 234); /* oklch */ color: oklch(64.3% 0.154 261.9);
Tailwind
colors: {
custom: {
50: '#93abf1',
500: '#578aea',
950: '#000000',
},
}SCSS
$custom: #578aea; $custom-light: #93abf1; $custom-dark: #000000;
JSON
{
"hex": "#578aea",
"rgb": {
"r": 87,
"g": 138,
"b": 234
},
"hsl": {
"h": 219.184,
"s": 77.778,
"l": 62.941
},
"oklch": {
"l": 0.64337,
"c": 0.15434,
"h": 261.9
},
"luminance": 0.26144
}Semantic roles & 50–950 ramp
primary
#578AEA
secondary
#E9D6B4
accent
#920BDA
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1017
muted
#7E7F85