#587ACF#587ACF
#587ACF is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.4% C 0.136 H 266.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #587ACF |
|---|---|
| RGB | rgb(88, 122, 207) |
| HSL | hsl(223, 55%, 58%) |
| HSV | hsv(223, 57%, 81%) |
| CMYK | cmyk(57.5%, 41.1%, 0%, 18.8%) |
| CIE-LAB | lab(52.39, 13.32, -47.67) |
| CIE-LCH | lch(52.39, 49.50, 285.61°) |
| OKLab | oklab(59.42% -0.0095 -0.1355) |
| OKLCH | oklch(59.42% 0.136 266) |
| XYZ | xyz(22.2427, 20.4970, 61.8036) |
| Luminance | 0.2050 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.58
Lightish Blue
#3D7AFD
ΔE00 5.22
Soft Blue
#6488EA
ΔE00 5.71
Clear Blue
#247AFD
ΔE00 5.75
Deep Sky Blue
#0D75F8
ΔE00 5.86
Dodger Blue
#3E82FC
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587ACF #CFAD58
analogous
#58B6CF #587ACF #7158CF
triadic
#587ACF #CF587A #7ACF58
tetradic
#587ACF #CF58B6 #CFAD58 #58CF71
square
#587ACF #CF58B6 #CFAD58 #58CF71
split-complementary
#587ACF #CF7158 #B6CF58
monochromatic
#274286 #3459B6 #587ACF #88A0DD #B7C6EA
Accessibility & contrast
On white
4.12
#587ACF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.10
#587ACF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587ACF
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587ACF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587ACF | 1.00 | 4.12 | 5.10 | 5.10 |
| #FFFFFF | 4.12 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.10 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.10 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5583D2
Deuteranopia (green-blind)
#4678CD
Tritanopia (blue-blind)
#008D9A
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #587acf; /* rgb */ color: rgb(88, 122, 207); /* oklch */ color: oklch(59.4% 0.136 266.0);
Tailwind
colors: {
custom: {
50: '#90a0de',
500: '#587acf',
950: '#000000',
},
}SCSS
$custom: #587acf; $custom-light: #90a0de; $custom-dark: #000000;
JSON
{
"hex": "#587acf",
"rgb": {
"r": 88,
"g": 122,
"b": 207
},
"hsl": {
"h": 222.857,
"s": 55.349,
"l": 57.843
},
"oklch": {
"l": 0.59418,
"c": 0.13582,
"h": 266
},
"luminance": 0.20499
}Semantic roles & 50–950 ramp
primary
#587ACF
secondary
#D9CCAA
accent
#B449DF
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0E15
muted
#7E7E83