#577DF2#577DF2
#577DF2 is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.2% C 0.180 H 267.4°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #577DF2 |
|---|---|
| RGB | rgb(87, 125, 242) |
| HSL | hsl(225, 86%, 65%) |
| HSV | hsv(225, 64%, 95%) |
| CMYK | cmyk(64%, 48.3%, 0%, 5.1%) |
| CIE-LAB | lab(55.18, 23.04, -62.87) |
| CIE-LCH | lch(55.18, 66.96, 290.13°) |
| OKLab | oklab(62.19% -0.008 -0.1801) |
| OKLCH | oklch(62.19% 0.18 267.4) |
| XYZ | xyz(27.2856, 23.1018, 87.0083) |
| Luminance | 0.2310 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.56
Soft Blue
#6488EA
ΔE00 3.60
Dodger Blue
#3E82FC
ΔE00 3.66
Cornflower
#6A79F7
ΔE00 3.78
Clear Blue
#247AFD
ΔE00 4.18
Deep Sky Blue
#0D75F8
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577DF2 #F2CC57
analogous
#57CBF2 #577DF2 #7F57F2
triadic
#577DF2 #F2577D #7DF257
tetradic
#577DF2 #F257CB #F2CC57 #57F27F
square
#577DF2 #F257CB #F2CC57 #57F27F
split-complementary
#577DF2 #F27F57 #CBF257
monochromatic
#0F3AC0 #1E51EE #577DF2 #90A9F6 #C9D5FB
Accessibility & contrast
On white
3.74
#577DF2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.62
#577DF2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577DF2
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577DF2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577DF2 | 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)
#3E8CF6
Deuteranopia (green-blind)
#187DF0
Tritanopia (blue-blind)
#0098AC
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #577df2; /* rgb */ color: rgb(87, 125, 242); /* oklch */ color: oklch(62.2% 0.180 267.4);
Tailwind
colors: {
custom: {
50: '#95a2f7',
500: '#577df2',
950: '#000000',
},
}SCSS
$custom: #577df2; $custom-light: #95a2f7; $custom-dark: #000000;
JSON
{
"hex": "#577df2",
"rgb": {
"r": 87,
"g": 125,
"b": 242
},
"hsl": {
"h": 225.29,
"s": 85.635,
"l": 64.51
},
"oklch": {
"l": 0.62191,
"c": 0.18029,
"h": 267.4
},
"luminance": 0.23104
}Semantic roles & 50–950 ramp
primary
#577DF2
secondary
#EDE0B8
accent
#AC03E2
background
#F9F9FF
surface
#F2F2FF
border
#CCCCD7
text
#0F0F17
muted
#7E7E85