#576BB9#576BB9
#576BB9 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.9% C 0.124 H 271.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #576BB9 |
|---|---|
| RGB | rgb(87, 107, 185) |
| HSL | hsl(228, 41%, 53%) |
| HSV | hsv(228, 53%, 73%) |
| CMYK | cmyk(53%, 42.2%, 0%, 27.5%) |
| CIE-LAB | lab(47.03, 15.14, -43.58) |
| CIE-LCH | lch(47.03, 46.14, 289.15°) |
| OKLab | oklab(54.89% 0.0022 -0.1237) |
| OKLCH | oklch(54.89% 0.124 271) |
| XYZ | xyz(17.9423, 16.0432, 48.0407) |
| Luminance | 0.1604 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 4.53
Cornflower Blue
#5170D7
ΔE00 4.55
Royal Blue
#4169E1
ΔE00 5.61
Dusky Blue
#475F94
ΔE00 6.75
Dark Periwinkle
#665FD1
ΔE00 6.84
Cadet Blue
#4E7496
ΔE00 7.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576BB9 #B9A557
analogous
#579CB9 #576BB9 #7457B9
triadic
#576BB9 #B9576B #6BB957
tetradic
#576BB9 #B9579C #B9A557 #57B974
square
#576BB9 #B9579C #B9A557 #57B974
split-complementary
#576BB9 #B97457 #9CB957
monochromatic
#2C396A #3E5095 #576BB9 #8291CB #ADB7DD
Accessibility & contrast
On white
4.99
#576BB9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#576BB9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #576BB9
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576BB9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##576BB9 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B74BC
Deuteranopia (green-blind)
#406CB7
Tritanopia (blue-blind)
#287C89
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #576bb9; /* rgb */ color: rgb(87, 107, 185); /* oklch */ color: oklch(54.9% 0.124 271.0);
Tailwind
colors: {
custom: {
50: '#8d95ce',
500: '#576bb9',
950: '#000000',
},
}SCSS
$custom: #576bb9; $custom-light: #8d95ce; $custom-dark: #000000;
JSON
{
"hex": "#576bb9",
"rgb": {
"r": 87,
"g": 107,
"b": 185
},
"hsl": {
"h": 227.755,
"s": 41.176,
"l": 53.333
},
"oklch": {
"l": 0.54888,
"c": 0.12368,
"h": 271
},
"luminance": 0.16044
}Semantic roles & 50–950 ramp
primary
#576BB9
secondary
#CBC2A1
accent
#B857D1
background
#F9F9FC
surface
#F1F1F9
border
#CBCBD2
text
#0D0D14
muted
#7E7E82