#578AE1#578AE1
#578AE1 is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.8% C 0.142 H 260.5°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #578AE1 |
|---|---|
| RGB | rgb(87, 138, 225) |
| HSL | hsl(218, 70%, 61%) |
| HSV | hsv(218, 61%, 88%) |
| CMYK | cmyk(61.3%, 38.7%, 0%, 11.8%) |
| CIE-LAB | lab(57.69, 9.44, -49.39) |
| CIE-LCH | lch(57.69, 50.29, 280.82°) |
| OKLab | oklab(63.81% -0.0236 -0.1403) |
| OKLCH | oklch(63.81% 0.142 260.5) |
| XYZ | xyz(26.6048, 25.6370, 74.7660) |
| Luminance | 0.2564 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 3.07
Dark Sky Blue
#448EE4
ΔE00 3.42
Dodger Blue
#3E82FC
ΔE00 3.51
Cornflowerblue
#6495ED
ΔE00 3.74
Faded Blue
#658CBB
ΔE00 4.16
Azure
#007FFF
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#578AE1 #E1AE57
analogous
#57CFE1 #578AE1 #6957E1
triadic
#578AE1 #E1578A #8AE157
tetradic
#578AE1 #E157CF #E1AE57 #57E169
square
#578AE1 #E157CF #E1AE57 #57E169
split-complementary
#578AE1 #E16957 #CFE157
monochromatic
#1D4EA1 #2667D5 #578AE1 #8BAEEA #BFD2F4
Accessibility & contrast
On white
3.43
#578AE1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.13
#578AE1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #578AE1
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##578AE1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##578AE1 | 1.00 | 3.43 | 6.13 | 6.13 |
| #FFFFFF | 3.43 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.13 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.13 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6492E4
Deuteranopia (green-blind)
#5185DF
Tritanopia (blue-blind)
#009EAB
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #578ae1; /* rgb */ color: rgb(87, 138, 225); /* oklch */ color: oklch(63.8% 0.142 260.5);
Tailwind
colors: {
custom: {
50: '#92abeb',
500: '#578ae1',
950: '#000000',
},
}SCSS
$custom: #578ae1; $custom-light: #92abeb; $custom-dark: #000000;
JSON
{
"hex": "#578ae1",
"rgb": {
"r": 87,
"g": 138,
"b": 225
},
"hsl": {
"h": 217.826,
"s": 69.697,
"l": 61.176
},
"oklch": {
"l": 0.6381,
"c": 0.14232,
"h": 260.5
},
"luminance": 0.25639
}Semantic roles & 50–950 ramp
primary
#578AE1
secondary
#E4D1B0
accent
#8C14D2
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0E1016
muted
#7E7F84