#577AED#577AED
#577AED is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.3% C 0.177 H 268.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).
Color values
| HEX | #577AED |
|---|---|
| RGB | rgb(87, 122, 237) |
| HSL | hsl(226, 81%, 64%) |
| HSV | hsv(226, 63%, 93%) |
| CMYK | cmyk(63.3%, 48.5%, 0%, 7.1%) |
| CIE-LAB | lab(54.09, 23.18, -61.85) |
| CIE-LCH | lch(54.09, 66.05, 290.55°) |
| OKLab | oklab(61.26% -0.0058 -0.1771) |
| OKLCH | oklch(61.26% 0.177 268.1) |
| XYZ | xyz(26.1709, 22.0574, 82.9827) |
| Luminance | 0.2206 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lightish Blue
#3D7AFD
ΔE00 2.83
Cornflower
#6A79F7
ΔE00 3.59
Clear Blue
#247AFD
ΔE00 4.40
Cornflower Blue
#5170D7
ΔE00 4.48
Soft Blue
#6488EA
ΔE00 4.50
Dodger Blue
#3E82FC
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577AED #EDCA57
analogous
#57C5ED #577AED #7F57ED
triadic
#577AED #ED577A #7AED57
tetradic
#577AED #ED57C5 #EDCA57 #57ED7F
square
#577AED #ED57C5 #EDCA57 #57ED7F
split-complementary
#577AED #ED7F57 #C5ED57
monochromatic
#1439B6 #204EE7 #577AED #8EA6F3 #C6D2F9
Accessibility & contrast
On white
3.88
#577AED on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.41
#577AED on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577AED
5.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577AED | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577AED | 1.00 | 3.88 | 5.41 | 5.41 |
| #FFFFFF | 3.88 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.41 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.41 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3C88F1
Deuteranopia (green-blind)
#197BEB
Tritanopia (blue-blind)
#0095A8
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #577aed; /* rgb */ color: rgb(87, 122, 237); /* oklch */ color: oklch(61.3% 0.177 268.1);
Tailwind
colors: {
custom: {
50: '#94a0f3',
500: '#577aed',
950: '#000000',
},
}SCSS
$custom: #577aed; $custom-light: #94a0f3; $custom-dark: #000000;
JSON
{
"hex": "#577aed",
"rgb": {
"r": 87,
"g": 122,
"b": 237
},
"hsl": {
"h": 226,
"s": 80.645,
"l": 63.529
},
"oklch": {
"l": 0.61263,
"c": 0.17723,
"h": 268.1
},
"luminance": 0.2206
}Semantic roles & 50–950 ramp
primary
#577AED
secondary
#EADEB5
accent
#AB09DD
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0E17
muted
#7E7E85