#587BCD#587BCD
#587BCD is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.5% C 0.132 H 265.2°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #587BCD |
|---|---|
| RGB | rgb(88, 123, 205) |
| HSL | hsl(222, 54%, 57%) |
| HSV | hsv(222, 57%, 80%) |
| CMYK | cmyk(57.1%, 40%, 0%, 19.6%) |
| CIE-LAB | lab(52.56, 12.05, -46.27) |
| CIE-LCH | lch(52.56, 47.82, 284.59°) |
| OKLab | oklab(59.51% -0.011 -0.1314) |
| OKLCH | oklch(59.51% 0.132 265.2) |
| XYZ | xyz(22.1232, 20.6466, 60.5651) |
| Luminance | 0.2065 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.99
Lightish Blue
#3D7AFD
ΔE00 5.33
Soft Blue
#6488EA
ΔE00 5.61
Clear Blue
#247AFD
ΔE00 5.77
Off Blue
#5684AE
ΔE00 5.91
Deep Sky Blue
#0D75F8
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587BCD #CDAA58
analogous
#58B6CD #587BCD #6F58CD
triadic
#587BCD #CD587B #7BCD58
tetradic
#587BCD #CD58B6 #CDAA58 #58CD6F
square
#587BCD #CD58B6 #CDAA58 #58CD6F
split-complementary
#587BCD #CD6F58 #B6CD58
monochromatic
#274383 #355BB2 #587BCD #87A0DB #B6C5E9
Accessibility & contrast
On white
4.09
#587BCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.13
#587BCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587BCD
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587BCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587BCD | 1.00 | 4.09 | 5.13 | 5.13 |
| #FFFFFF | 4.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.13 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.13 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5883D0
Deuteranopia (green-blind)
#4978CB
Tritanopia (blue-blind)
#008D9A
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #587bcd; /* rgb */ color: rgb(88, 123, 205); /* oklch */ color: oklch(59.5% 0.132 265.2);
Tailwind
colors: {
custom: {
50: '#90a0dd',
500: '#587bcd',
950: '#000000',
},
}SCSS
$custom: #587bcd; $custom-light: #90a0dd; $custom-dark: #000000;
JSON
{
"hex": "#587bcd",
"rgb": {
"r": 88,
"g": 123,
"b": 205
},
"hsl": {
"h": 222.051,
"s": 53.917,
"l": 57.451
},
"oklch": {
"l": 0.59511,
"c": 0.13183,
"h": 265.2
},
"luminance": 0.20648
}Semantic roles & 50–950 ramp
primary
#587BCD
secondary
#D8CAA9
accent
#B14BDD
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0E15
muted
#7E7E83