#576CD1#576CD1
#576CD1 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.6% C 0.156 H 271.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #576CD1 |
|---|---|
| RGB | rgb(87, 108, 209) |
| HSL | hsl(230, 57%, 58%) |
| HSV | hsv(230, 58%, 82%) |
| CMYK | cmyk(58.4%, 48.3%, 0%, 18%) |
| CIE-LAB | lab(48.70, 22.41, -54.72) |
| CIE-LCH | lch(48.70, 59.13, 292.27°) |
| OKLab | oklab(56.62% 0.0047 -0.1563) |
| OKLCH | oklch(56.62% 0.156 271.7) |
| XYZ | xyz(20.7979, 17.3532, 62.5628) |
| Luminance | 0.1736 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.06
Royal Blue
#4169E1
ΔE00 3.17
Dark Periwinkle
#665FD1
ΔE00 5.77
French Blue
#436BAD
ΔE00 6.37
Bright Blue
#0165FC
ΔE00 6.44
Cerulean Blue
#056EEE
ΔE00 6.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576CD1 #D1BC57
analogous
#57A9D1 #576CD1 #7F57D1
triadic
#576CD1 #D1576C #6CD157
tetradic
#576CD1 #D157A9 #D1BC57 #57D17F
square
#576CD1 #D157A9 #D1BC57 #57D17F
split-complementary
#576CD1 #D17F57 #A9D157
monochromatic
#253688 #324AB8 #576CD1 #8796DE #B7C0EB
Accessibility & contrast
On white
4.70
#576CD1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#576CD1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #576CD1
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576CD1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##576CD1 | 1.00 | 4.70 | 4.47 | 4.70 |
| #FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A79D5
Deuteranopia (green-blind)
#256FCF
Tritanopia (blue-blind)
#008394
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #576cd1; /* rgb */ color: rgb(87, 108, 209); /* oklch */ color: oklch(56.6% 0.156 271.7);
Tailwind
colors: {
custom: {
50: '#9095e0',
500: '#576cd1',
950: '#000000',
},
}SCSS
$custom: #576cd1; $custom-light: #9095e0; $custom-dark: #000000;
JSON
{
"hex": "#576cd1",
"rgb": {
"r": 87,
"g": 108,
"b": 209
},
"hsl": {
"h": 229.672,
"s": 57.009,
"l": 58.039
},
"oklch": {
"l": 0.56616,
"c": 0.1564,
"h": 271.7
},
"luminance": 0.17355
}Semantic roles & 50–950 ramp
primary
#576CD1
secondary
#DAD2AA
accent
#C648E0
background
#F9F9FD
surface
#F2F1FB
border
#CCCBD4
text
#0D0D15
muted
#7E7E83