#587BD5#587BD5
#587BD5 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.0% C 0.143 H 266.2°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #587BD5 |
|---|---|
| RGB | rgb(88, 123, 213) |
| HSL | hsl(223, 60%, 59%) |
| HSV | hsv(223, 59%, 84%) |
| CMYK | cmyk(58.7%, 42.3%, 0%, 16.5%) |
| CIE-LAB | lab(53.00, 14.69, -50.12) |
| CIE-LCH | lch(53.00, 52.22, 286.34°) |
| OKLab | oklab(59.99% -0.0095 -0.1426) |
| OKLCH | oklch(59.99% 0.143 266.2) |
| XYZ | xyz(23.1136, 21.0428, 65.7815) |
| Luminance | 0.2104 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.81
Lightish Blue
#3D7AFD
ΔE00 4.57
Soft Blue
#6488EA
ΔE00 5.03
Clear Blue
#247AFD
ΔE00 5.23
Dodger Blue
#3E82FC
ΔE00 5.41
Deep Sky Blue
#0D75F8
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587BD5 #D5B258
analogous
#58BAD5 #587BD5 #7458D5
triadic
#587BD5 #D5587B #7BD558
tetradic
#587BD5 #D558BA #D5B258 #58D574
square
#587BD5 #D558BA #D5B258 #58D574
split-complementary
#587BD5 #D57458 #BAD558
monochromatic
#24428F #3058C0 #587BD5 #89A2E1 #BAC8EE
Accessibility & contrast
On white
4.03
#587BD5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.21
#587BD5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587BD5
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587BD5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587BD5 | 1.00 | 4.03 | 5.21 | 5.21 |
| #FFFFFF | 4.03 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5385D8
Deuteranopia (green-blind)
#4279D3
Tritanopia (blue-blind)
#008F9E
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #587bd5; /* rgb */ color: rgb(88, 123, 213); /* oklch */ color: oklch(60.0% 0.143 266.2);
Tailwind
colors: {
custom: {
50: '#91a0e2',
500: '#587bd5',
950: '#000000',
},
}SCSS
$custom: #587bd5; $custom-light: #91a0e2; $custom-dark: #000000;
JSON
{
"hex": "#587bd5",
"rgb": {
"r": 88,
"g": 123,
"b": 213
},
"hsl": {
"h": 223.2,
"s": 59.809,
"l": 59.02
},
"oklch": {
"l": 0.59988,
"c": 0.14293,
"h": 266.2
},
"luminance": 0.21045
}Semantic roles & 50–950 ramp
primary
#587BD5
secondary
#DDCFAC
accent
#B745E3
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0E15
muted
#7E7E83