#578BCF#578BCF
#578BCF is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.117 H 255.7°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #578BCF |
|---|---|
| RGB | rgb(87, 139, 207) |
| HSL | hsl(214, 56%, 58%) |
| HSV | hsv(214, 58%, 81%) |
| CMYK | cmyk(58%, 32.9%, 0%, 18.8%) |
| CIE-LAB | lab(57.07, 2.91, -40.28) |
| CIE-LCH | lch(57.07, 40.39, 274.14°) |
| OKLab | oklab(63.03% -0.0291 -0.1137) |
| OKLCH | oklch(63.03% 0.117 255.7) |
| XYZ | xyz(24.4216, 24.9944, 62.5568) |
| Luminance | 0.2500 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.83
Faded Blue
#658CBB
ΔE00 2.92
Cool Blue
#4984B8
ΔE00 4.51
Cornflowerblue
#6495ED
ΔE00 4.74
Dusty Blue
#5A86AD
ΔE00 4.76
Off Blue
#5684AE
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#578BCF #CF9B57
analogous
#57C7CF #578BCF #5F57CF
triadic
#578BCF #CF578B #8BCF57
tetradic
#578BCF #CF57C7 #CF9B57 #57CF5F
square
#578BCF #CF57C7 #CF9B57 #57CF5F
split-complementary
#578BCF #CF5F57 #C7CF57
monochromatic
#264F85 #346CB5 #578BCF #87ACDD #B6CDEA
Accessibility & contrast
On white
3.50
#578BCF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.00
#578BCF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #578BCF
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##578BCF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##578BCF | 1.00 | 3.50 | 6.00 | 6.00 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F8FD2
Deuteranopia (green-blind)
#5F84CE
Tritanopia (blue-blind)
#009AA3
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #578bcf; /* rgb */ color: rgb(87, 139, 207); /* oklch */ color: oklch(63.0% 0.117 255.7);
Tailwind
colors: {
custom: {
50: '#8facde',
500: '#578bcf',
950: '#000000',
},
}SCSS
$custom: #578bcf; $custom-light: #8facde; $custom-dark: #000000;
JSON
{
"hex": "#578bcf",
"rgb": {
"r": 87,
"g": 139,
"b": 207
},
"hsl": {
"h": 214,
"s": 55.556,
"l": 57.647
},
"oklch": {
"l": 0.63033,
"c": 0.1174,
"h": 255.7
},
"luminance": 0.24996
}Semantic roles & 50–950 ramp
primary
#578BCF
secondary
#D9C4A9
accent
#9E49DF
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0D1015
muted
#7E7F83