#578BCE#578BCE
#578BCE is a light, moderate cyan. Relative luminance 0.249; OKLCH L 63.0% C 0.116 H 255.4°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #578BCE |
|---|---|
| RGB | rgb(87, 139, 206) |
| HSL | hsl(214, 55%, 57%) |
| HSV | hsv(214, 58%, 81%) |
| CMYK | cmyk(57.8%, 32.5%, 0%, 19.2%) |
| CIE-LAB | lab(57.02, 2.59, -39.79) |
| CIE-LCH | lch(57.02, 39.88, 273.72°) |
| OKLab | oklab(62.98% -0.0293 -0.1123) |
| OKLCH | oklch(62.98% 0.116 255.4) |
| XYZ | xyz(24.2997, 24.9456, 61.9150) |
| Luminance | 0.2495 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.85
Faded Blue
#658CBB
ΔE00 2.86
Cool Blue
#4984B8
ΔE00 4.41
Dusty Blue
#5A86AD
ΔE00 4.66
Off Blue
#5684AE
ΔE00 4.67
Cornflowerblue
#6495ED
ΔE00 4.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#578BCE #CE9A57
analogous
#57C6CE #578BCE #5F57CE
triadic
#578BCE #CE578B #8BCE57
tetradic
#578BCE #CE57C6 #CE9A57 #57CE5F
square
#578BCE #CE57C6 #CE9A57 #57CE5F
split-complementary
#578BCE #CE5F57 #C6CE57
monochromatic
#274F84 #346CB3 #578BCE #86ACDC #B6CCEA
Accessibility & contrast
On white
3.51
#578BCE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#578BCE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #578BCE
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##578BCE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##578BCE | 1.00 | 3.51 | 5.99 | 5.99 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F8FD1
Deuteranopia (green-blind)
#6084CD
Tritanopia (blue-blind)
#009AA3
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #578bce; /* rgb */ color: rgb(87, 139, 206); /* oklch */ color: oklch(63.0% 0.116 255.4);
Tailwind
colors: {
custom: {
50: '#8facdd',
500: '#578bce',
950: '#000000',
},
}SCSS
$custom: #578bce; $custom-light: #8facdd; $custom-dark: #000000;
JSON
{
"hex": "#578bce",
"rgb": {
"r": 87,
"g": 139,
"b": 206
},
"hsl": {
"h": 213.782,
"s": 54.839,
"l": 57.451
},
"oklch": {
"l": 0.6298,
"c": 0.11609,
"h": 255.4
},
"luminance": 0.24948
}Semantic roles & 50–950 ramp
primary
#578BCE
secondary
#D8C3A8
accent
#9D4ADE
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0D1015
muted
#7E7F83