#577DFD#577DFD
#577DFD is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.9% C 0.195 H 268.0°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).
Color values
| HEX | #577DFD |
|---|---|
| RGB | rgb(87, 125, 253) |
| HSL | hsl(226, 98%, 67%) |
| HSV | hsv(226, 66%, 99%) |
| CMYK | cmyk(65.6%, 50.6%, 0%, 0.8%) |
| CIE-LAB | lab(55.87, 26.78, -67.85) |
| CIE-LCH | lch(55.87, 72.94, 291.54°) |
| OKLab | oklab(62.94% -0.0069 -0.1947) |
| OKLCH | oklch(62.94% 0.195 268) |
| XYZ | xyz(28.9876, 23.7826, 95.9723) |
| Luminance | 0.2379 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.78
Cornflower
#6A79F7
ΔE00 3.37
Dodger Blue
#3E82FC
ΔE00 3.91
Soft Blue
#6488EA
ΔE00 3.99
Clear Blue
#247AFD
ΔE00 4.56
Deep Sky Blue
#0D75F8
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577DFD #FDD757
analogous
#57D0FD #577DFD #8457FD
triadic
#577DFD #FD577D #7DFD57
tetradic
#577DFD #FD57D0 #FDD757 #57FD84
square
#577DFD #FD57D0 #FDD757 #57FD84
split-complementary
#577DFD #FD8457 #D0FD57
monochromatic
#0333D7 #1B4EFC #577DFD #93ACFE #D0DBFE
Accessibility & contrast
On white
3.65
#577DFD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.76
#577DFD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577DFD
5.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577DFD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577DFD | 1.00 | 3.65 | 5.76 | 5.76 |
| #FFFFFF | 3.65 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#308EFF
Deuteranopia (green-blind)
#007FFA
Tritanopia (blue-blind)
#009BB1
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #577dfd; /* rgb */ color: rgb(87, 125, 253); /* oklch */ color: oklch(62.9% 0.195 268.0);
Tailwind
colors: {
custom: {
50: '#97a2ff',
500: '#577dfd',
950: '#000000',
},
}SCSS
$custom: #577dfd; $custom-light: #97a2ff; $custom-dark: #000000;
JSON
{
"hex": "#577dfd",
"rgb": {
"r": 87,
"g": 125,
"b": 253
},
"hsl": {
"h": 226.265,
"s": 97.647,
"l": 66.667
},
"oklch": {
"l": 0.62938,
"c": 0.19487,
"h": 268
},
"luminance": 0.23785
}Semantic roles & 50–950 ramp
primary
#577DFD
secondary
#F3E6BD
accent
#B100E6
background
#FAF9FF
surface
#F3F2FF
border
#CDCCD7
text
#0F0F18
muted
#7F7E86