#577AFE#577AFE
#577AFE is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.4% C 0.200 H 268.8°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #577AFE |
|---|---|
| RGB | rgb(87, 122, 254) |
| HSL | hsl(227, 99%, 67%) |
| HSV | hsv(227, 66%, 100%) |
| CMYK | cmyk(65.7%, 52%, 0%, 0.4%) |
| CIE-LAB | lab(55.17, 28.95, -69.52) |
| CIE-LCH | lch(55.17, 75.31, 292.60°) |
| OKLab | oklab(62.43% -0.0042 -0.1997) |
| OKLCH | oklch(62.43% 0.2 268.8) |
| XYZ | xyz(28.7733, 23.0983, 96.6888) |
| Luminance | 0.2310 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.81
Lightish Blue
#3D7AFD
ΔE00 2.99
Dodger Blue
#3E82FC
ΔE00 4.71
Clear Blue
#247AFD
ΔE00 4.85
Soft Blue
#6488EA
ΔE00 4.89
Deep Sky Blue
#0D75F8
ΔE00 5.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577AFE #FEDB57
analogous
#57CEFE #577AFE #8857FE
triadic
#577AFE #FE577A #7AFE57
tetradic
#577AFE #FE57CE #FEDB57 #57FE88
square
#577AFE #FE57CE #FEDB57 #57FE88
split-complementary
#577AFE #FE8857 #CEFE57
monochromatic
#012FD9 #1A4AFE #577AFE #94AAFE #D1DAFF
Accessibility & contrast
On white
3.74
#577AFE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.62
#577AFE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577AFE
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577AFE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577AFE | 1.00 | 3.74 | 5.62 | 5.62 |
| #FFFFFF | 3.74 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#228CFF
Deuteranopia (green-blind)
#007DFB
Tritanopia (blue-blind)
#0099B0
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #577afe; /* rgb */ color: rgb(87, 122, 254); /* oklch */ color: oklch(62.4% 0.200 268.8);
Tailwind
colors: {
custom: {
50: '#97a0ff',
500: '#577afe',
950: '#000000',
},
}SCSS
$custom: #577afe; $custom-light: #97a0ff; $custom-dark: #000000;
JSON
{
"hex": "#577afe",
"rgb": {
"r": 87,
"g": 122,
"b": 254
},
"hsl": {
"h": 227.425,
"s": 98.817,
"l": 66.863
},
"oklch": {
"l": 0.62432,
"c": 0.19976,
"h": 268.8
},
"luminance": 0.23101
}Semantic roles & 50–950 ramp
primary
#577AFE
secondary
#F3E8BE
accent
#B500E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0E18
muted
#7F7E86