#576FBF#576FBF
#576FBF is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.127 H 269.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).
Color values
| HEX | #576FBF |
|---|---|
| RGB | rgb(87, 111, 191) |
| HSL | hsl(226, 45%, 55%) |
| HSV | hsv(226, 54%, 75%) |
| CMYK | cmyk(54.5%, 41.9%, 0%, 25.1%) |
| CIE-LAB | lab(48.46, 14.61, -44.79) |
| CIE-LCH | lch(48.46, 47.11, 288.07°) |
| OKLab | oklab(56.09% -0.0013 -0.1272) |
| OKLCH | oklch(56.09% 0.127 269.4) |
| XYZ | xyz(19.0158, 17.1553, 51.5894) |
| Luminance | 0.1716 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.24
French Blue
#436BAD
ΔE00 4.63
Royal Blue
#4169E1
ΔE00 4.97
Cadet Blue
#4E7496
ΔE00 6.88
Medium Blue
#2C6FBB
ΔE00 7.05
Dull Blue
#49759C
ΔE00 7.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576FBF #BFA757
analogous
#57A3BF #576FBF #7357BF
triadic
#576FBF #BF576F #6FBF57
tetradic
#576FBF #BF57A3 #BFA757 #57BF73
square
#576FBF #BF57A3 #BFA757 #57BF73
split-complementary
#576FBF #BF7357 #A3BF57
monochromatic
#2B3B71 #3C529D #576FBF #8395D0 #B0BBE1
Accessibility & contrast
On white
4.74
#576FBF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.43
#576FBF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #576FBF
4.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576FBF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##576FBF | 1.00 | 4.74 | 4.43 | 4.74 |
| #FFFFFF | 4.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D78C2
Deuteranopia (green-blind)
#416FBD
Tritanopia (blue-blind)
#20808E
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #576fbf; /* rgb */ color: rgb(87, 111, 191); /* oklch */ color: oklch(56.1% 0.127 269.4);
Tailwind
colors: {
custom: {
50: '#8e98d3',
500: '#576fbf',
950: '#000000',
},
}SCSS
$custom: #576fbf; $custom-light: #8e98d3; $custom-dark: #000000;
JSON
{
"hex": "#576fbf",
"rgb": {
"r": 87,
"g": 111,
"b": 191
},
"hsl": {
"h": 226.154,
"s": 44.828,
"l": 54.51
},
"oklch": {
"l": 0.56088,
"c": 0.12716,
"h": 269.4
},
"luminance": 0.17157
}Semantic roles & 50–950 ramp
primary
#576FBF
secondary
#CFC5A3
accent
#B753D5
background
#F9F9FD
surface
#F1F2FA
border
#CBCCD3
text
#0D0D14
muted
#7E7E83