#577EFA#577EFA
#577EFA is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.9% C 0.190 H 267.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).
Color values
| HEX | #577EFA |
|---|---|
| RGB | rgb(87, 126, 250) |
| HSL | hsl(226, 94%, 66%) |
| HSV | hsv(226, 65%, 98%) |
| CMYK | cmyk(65.2%, 49.6%, 0%, 2%) |
| CIE-LAB | lab(55.93, 25.15, -66.09) |
| CIE-LCH | lch(55.93, 70.71, 290.83°) |
| OKLab | oklab(62.93% -0.0081 -0.1895) |
| OKLCH | oklch(62.93% 0.19 267.6) |
| XYZ | xyz(28.6407, 23.8474, 93.5176) |
| Luminance | 0.2385 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.69
Dodger Blue
#3E82FC
ΔE00 3.57
Soft Blue
#6488EA
ΔE00 3.57
Cornflower
#6A79F7
ΔE00 3.66
Clear Blue
#247AFD
ΔE00 4.39
Deep Sky Blue
#0D75F8
ΔE00 5.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577EFA #FAD357
analogous
#57D0FA #577EFA #8157FA
triadic
#577EFA #FA577E #7EFA57
tetradic
#577EFA #FA57D0 #FAD357 #57FA81
square
#577EFA #FA57D0 #FAD357 #57FA81
split-complementary
#577EFA #FA8157 #D0FA57
monochromatic
#0637D0 #1C50F8 #577EFA #92ACFC #CED9FE
Accessibility & contrast
On white
3.64
#577EFA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.77
#577EFA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577EFA
5.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577EFA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577EFA | 1.00 | 3.64 | 5.77 | 5.77 |
| #FFFFFF | 3.64 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#378EFE
Deuteranopia (green-blind)
#007FF7
Tritanopia (blue-blind)
#009BB0
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #577efa; /* rgb */ color: rgb(87, 126, 250); /* oklch */ color: oklch(62.9% 0.190 267.6);
Tailwind
colors: {
custom: {
50: '#96a2fd',
500: '#577efa',
950: '#000000',
},
}SCSS
$custom: #577efa; $custom-light: #96a2fd; $custom-dark: #000000;
JSON
{
"hex": "#577efa",
"rgb": {
"r": 87,
"g": 126,
"b": 250
},
"hsl": {
"h": 225.644,
"s": 94.22,
"l": 66.078
},
"oklch": {
"l": 0.62927,
"c": 0.18972,
"h": 267.6
},
"luminance": 0.2385
}Semantic roles & 50–950 ramp
primary
#577EFA
secondary
#F1E4BC
accent
#AF00E6
background
#FAF9FF
surface
#F3F2FF
border
#CDCCD7
text
#0F0F18
muted
#7F7E86