#587AD3#587AD3
#587AD3 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.7% C 0.141 H 266.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #587AD3 |
|---|---|
| RGB | rgb(88, 122, 211) |
| HSL | hsl(223, 58%, 59%) |
| HSV | hsv(223, 58%, 83%) |
| CMYK | cmyk(58.3%, 42.2%, 0%, 17.3%) |
| CIE-LAB | lab(52.61, 14.64, -49.59) |
| CIE-LCH | lch(52.61, 51.71, 286.45°) |
| OKLab | oklab(59.66% -0.0088 -0.1411) |
| OKLCH | oklch(59.66% 0.141 266.4) |
| XYZ | xyz(22.7379, 20.6951, 64.4117) |
| Luminance | 0.2070 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.48
Lightish Blue
#3D7AFD
ΔE00 4.83
Soft Blue
#6488EA
ΔE00 5.43
Clear Blue
#247AFD
ΔE00 5.48
Deep Sky Blue
#0D75F8
ΔE00 5.67
Dodger Blue
#3E82FC
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587AD3 #D3B158
analogous
#58B7D3 #587AD3 #7358D3
triadic
#587AD3 #D3587A #7AD358
tetradic
#587AD3 #D358B7 #D3B158 #58D373
square
#587AD3 #D358B7 #D3B158 #58D373
split-complementary
#587AD3 #D37358 #B7D358
monochromatic
#25418C #3258BC #587AD3 #88A1E0 #B9C7ED
Accessibility & contrast
On white
4.09
#587AD3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.14
#587AD3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587AD3
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587AD3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587AD3 | 1.00 | 4.09 | 5.14 | 5.14 |
| #FFFFFF | 4.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5383D6
Deuteranopia (green-blind)
#4278D1
Tritanopia (blue-blind)
#008E9C
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #587ad3; /* rgb */ color: rgb(88, 122, 211); /* oklch */ color: oklch(59.7% 0.141 266.4);
Tailwind
colors: {
custom: {
50: '#91a0e1',
500: '#587ad3',
950: '#000000',
},
}SCSS
$custom: #587ad3; $custom-light: #91a0e1; $custom-dark: #000000;
JSON
{
"hex": "#587ad3",
"rgb": {
"r": 88,
"g": 122,
"b": 211
},
"hsl": {
"h": 223.415,
"s": 58.294,
"l": 58.627
},
"oklch": {
"l": 0.59658,
"c": 0.14137,
"h": 266.4
},
"luminance": 0.20697
}Semantic roles & 50–950 ramp
primary
#587AD3
secondary
#DCCEAB
accent
#B746E2
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0E15
muted
#7E7E83