#576CB0#576CB0
#576CB0 is a mid, moderate blue. Relative luminance 0.159; OKLCH L 54.6% C 0.109 H 269.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).
Color values
| HEX | #576CB0 |
|---|---|
| RGB | rgb(87, 108, 176) |
| HSL | hsl(226, 36%, 52%) |
| HSV | hsv(226, 51%, 69%) |
| CMYK | cmyk(50.6%, 38.6%, 0%, 31%) |
| CIE-LAB | lab(46.82, 11.62, -38.68) |
| CIE-LCH | lch(46.82, 40.39, 286.73°) |
| OKLab | oklab(54.57% -0.0008 -0.1093) |
| OKLCH | oklch(54.57% 0.109 269.6) |
| XYZ | xyz(17.1270, 15.8848, 43.2295) |
| Luminance | 0.1589 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 4.11
Cornflower Blue
#5170D7
ΔE00 5.54
Dusky Blue
#475F94
ΔE00 6.03
Royal Blue
#4169E1
ΔE00 6.70
Cadet Blue
#4E7496
ΔE00 6.90
Dull Blue
#49759C
ΔE00 7.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576CB0 #B09B57
analogous
#5799B0 #576CB0 #6F57B0
triadic
#576CB0 #B0576C #6CB057
tetradic
#576CB0 #B05799 #B09B57 #57B06F
square
#576CB0 #B05799 #B09B57 #57B06F
split-complementary
#576CB0 #B06F57 #99B057
monochromatic
#2D3960 #415289 #576CB0 #8190C4 #AAB5D7
Accessibility & contrast
On white
5.03
#576CB0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.18
#576CB0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #576CB0
5.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576CB0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##576CB0 | 1.00 | 5.03 | 4.18 | 5.03 |
| #FFFFFF | 5.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5273B3
Deuteranopia (green-blind)
#486BAE
Tritanopia (blue-blind)
#317A85
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #576cb0; /* rgb */ color: rgb(87, 108, 176); /* oklch */ color: oklch(54.6% 0.109 269.6);
Tailwind
colors: {
custom: {
50: '#8c95c8',
500: '#576cb0',
950: '#000000',
},
}SCSS
$custom: #576cb0; $custom-light: #8c95c8; $custom-dark: #000000;
JSON
{
"hex": "#576cb0",
"rgb": {
"r": 87,
"g": 108,
"b": 176
},
"hsl": {
"h": 225.843,
"s": 36.032,
"l": 51.569
},
"oklch": {
"l": 0.5457,
"c": 0.10931,
"h": 269.6
},
"luminance": 0.15886
}Semantic roles & 50–950 ramp
primary
#576CB0
secondary
#C5BC9E
accent
#B25CCC
background
#F8F9FC
surface
#F0F1F8
border
#CBCBD1
text
#0C0D13
muted
#7D7E82