#576CE1#576CE1
#576CE1 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.7% C 0.178 H 272.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #576CE1 |
|---|---|
| RGB | rgb(87, 108, 225) |
| HSL | hsl(231, 70%, 61%) |
| HSV | hsv(231, 61%, 88%) |
| CMYK | cmyk(61.3%, 52%, 0%, 11.8%) |
| CIE-LAB | lab(49.72, 27.75, -62.15) |
| CIE-LCH | lch(49.72, 68.07, 294.06°) |
| OKLab | oklab(57.71% 0.0062 -0.1782) |
| OKLCH | oklch(57.71% 0.178 272) |
| XYZ | xyz(22.8791, 18.1857, 73.5241) |
| Luminance | 0.1819 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.49
Royal Blue
#4169E1
ΔE00 2.92
Bright Blue
#0165FC
ΔE00 5.49
Cornflower
#6A79F7
ΔE00 5.77
Dark Periwinkle
#665FD1
ΔE00 5.89
Azul
#1D5DEC
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576CE1 #E1CC57
analogous
#57B1E1 #576CE1 #8757E1
triadic
#576CE1 #E1576C #6CE157
tetradic
#576CE1 #E157B1 #E1CC57 #57E187
square
#576CE1 #E157B1 #E1CC57 #57E187
split-complementary
#576CE1 #E18757 #B1E157
monochromatic
#1D31A1 #2641D5 #576CE1 #8B99EA #BFC7F4
Accessibility & contrast
On white
4.53
#576CE1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#576CE1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #576CE1
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576CE1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##576CE1 | 1.00 | 4.53 | 4.64 | 4.64 |
| #FFFFFF | 4.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#257DE5
Deuteranopia (green-blind)
#0070DF
Tritanopia (blue-blind)
#00879C
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #576ce1; /* rgb */ color: rgb(87, 108, 225); /* oklch */ color: oklch(57.7% 0.178 272.0);
Tailwind
colors: {
custom: {
50: '#9395eb',
500: '#576ce1',
950: '#000000',
},
}SCSS
$custom: #576ce1; $custom-light: #9395eb; $custom-dark: #000000;
JSON
{
"hex": "#576ce1",
"rgb": {
"r": 87,
"g": 108,
"b": 225
},
"hsl": {
"h": 230.87,
"s": 69.697,
"l": 61.176
},
"oklch": {
"l": 0.57712,
"c": 0.17831,
"h": 272
},
"luminance": 0.18188
}Semantic roles & 50–950 ramp
primary
#576CE1
secondary
#E4DCB0
accent
#B514D2
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84