#577EF7#577EF7
#577EF7 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.7% C 0.186 H 267.4°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).
Color values
| HEX | #577EF7 |
|---|---|
| RGB | rgb(87, 126, 247) |
| HSL | hsl(225, 91%, 65%) |
| HSV | hsv(225, 65%, 97%) |
| CMYK | cmyk(64.8%, 49%, 0%, 3.1%) |
| CIE-LAB | lab(55.75, 24.13, -64.73) |
| CIE-LCH | lch(55.75, 69.08, 290.44°) |
| OKLab | oklab(62.72% -0.0084 -0.1856) |
| OKLCH | oklch(62.72% 0.186 267.4) |
| XYZ | xyz(28.1741, 23.6607, 91.0599) |
| Luminance | 0.2366 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.61
Soft Blue
#6488EA
ΔE00 3.45
Dodger Blue
#3E82FC
ΔE00 3.48
Cornflower
#6A79F7
ΔE00 3.76
Clear Blue
#247AFD
ΔE00 4.27
Deep Sky Blue
#0D75F8
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577EF7 #F7D057
analogous
#57CEF7 #577EF7 #8057F7
triadic
#577EF7 #F7577E #7EF757
tetradic
#577EF7 #F757CE #F7D057 #57F780
square
#577EF7 #F757CE #F7D057 #57F780
split-complementary
#577EF7 #F78057 #CEF757
monochromatic
#0A39CA #1D51F4 #577EF7 #91ABFA #CCD8FD
Accessibility & contrast
On white
3.66
#577EF7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.73
#577EF7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577EF7
5.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577EF7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577EF7 | 1.00 | 3.66 | 5.73 | 5.73 |
| #FFFFFF | 3.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.73 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.73 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B8DFB
Deuteranopia (green-blind)
#087FF5
Tritanopia (blue-blind)
#009AAF
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #577ef7; /* rgb */ color: rgb(87, 126, 247); /* oklch */ color: oklch(62.7% 0.186 267.4);
Tailwind
colors: {
custom: {
50: '#96a2fb',
500: '#577ef7',
950: '#000000',
},
}SCSS
$custom: #577ef7; $custom-light: #96a2fb; $custom-dark: #000000;
JSON
{
"hex": "#577ef7",
"rgb": {
"r": 87,
"g": 126,
"b": 247
},
"hsl": {
"h": 225.375,
"s": 90.909,
"l": 65.49
},
"oklch": {
"l": 0.62723,
"c": 0.18575,
"h": 267.4
},
"luminance": 0.23663
}Semantic roles & 50–950 ramp
primary
#577EF7
secondary
#F0E3BA
accent
#AE00E6
background
#F9F9FF
surface
#F2F2FF
border
#CCCCD7
text
#0F0F17
muted
#7E7E85