#576BE0#576BE0
#576BE0 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.5% C 0.178 H 272.3°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).
Color values
| HEX | #576BE0 |
|---|---|
| RGB | rgb(87, 107, 224) |
| HSL | hsl(231, 69%, 61%) |
| HSV | hsv(231, 61%, 88%) |
| CMYK | cmyk(61.2%, 52.2%, 0%, 12.2%) |
| CIE-LAB | lab(49.40, 28.04, -62.10) |
| CIE-LCH | lch(49.40, 68.14, 294.30°) |
| OKLab | oklab(57.45% 0.0071 -0.1781) |
| OKLCH | oklch(57.45% 0.178 272.3) |
| XYZ | xyz(22.6382, 17.9216, 72.7728) |
| Luminance | 0.1792 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.67
Royal Blue
#4169E1
ΔE00 2.88
Bright Blue
#0165FC
ΔE00 5.49
Dark Periwinkle
#665FD1
ΔE00 5.56
Cornflower
#6A79F7
ΔE00 6.08
Azul
#1D5DEC
ΔE00 6.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576BE0 #E0CC57
analogous
#57AFE0 #576BE0 #8757E0
triadic
#576BE0 #E0576B #6BE057
tetradic
#576BE0 #E057AF #E0CC57 #57E087
square
#576BE0 #E057AF #E0CC57 #57E087
split-complementary
#576BE0 #E08757 #AFE057
monochromatic
#1D309F #2740D3 #576BE0 #8B99EA #BEC6F3
Accessibility & contrast
On white
4.58
#576BE0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.58
#576BE0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #576BE0
4.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576BE0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##576BE0 | 1.00 | 4.58 | 4.58 | 4.58 |
| #FFFFFF | 4.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#237CE4
Deuteranopia (green-blind)
#0070DE
Tritanopia (blue-blind)
#00869B
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #576be0; /* rgb */ color: rgb(87, 107, 224); /* oklch */ color: oklch(57.5% 0.178 272.3);
Tailwind
colors: {
custom: {
50: '#9395ea',
500: '#576be0',
950: '#000000',
},
}SCSS
$custom: #576be0; $custom-light: #9395ea; $custom-dark: #000000;
JSON
{
"hex": "#576be0",
"rgb": {
"r": 87,
"g": 107,
"b": 224
},
"hsl": {
"h": 231.241,
"s": 68.844,
"l": 60.98
},
"oklch": {
"l": 0.5745,
"c": 0.17821,
"h": 272.3
},
"luminance": 0.17923
}Semantic roles & 50–950 ramp
primary
#576BE0
secondary
#E3DCB0
accent
#B515D1
background
#F9F9FE
surface
#F2F1FD
border
#CCCBD5
text
#0E0D16
muted
#7E7E84