#587BD3#587BD3
#587BD3 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.9% C 0.140 H 266.0°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).
Color values
| HEX | #587BD3 |
|---|---|
| RGB | rgb(88, 123, 211) |
| HSL | hsl(223, 58%, 59%) |
| HSV | hsv(223, 58%, 83%) |
| CMYK | cmyk(58.3%, 41.7%, 0%, 17.3%) |
| CIE-LAB | lab(52.89, 14.03, -49.16) |
| CIE-LCH | lch(52.89, 51.12, 285.93°) |
| OKLab | oklab(59.87% -0.0098 -0.1398) |
| OKLCH | oklch(59.87% 0.14 266) |
| XYZ | xyz(22.8613, 20.9419, 64.4528) |
| Luminance | 0.2094 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.83
Lightish Blue
#3D7AFD
ΔE00 4.75
Soft Blue
#6488EA
ΔE00 5.16
Clear Blue
#247AFD
ΔE00 5.36
Dodger Blue
#3E82FC
ΔE00 5.55
Deep Sky Blue
#0D75F8
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587BD3 #D3B058
analogous
#58B8D3 #587BD3 #7258D3
triadic
#587BD3 #D3587B #7BD358
tetradic
#587BD3 #D358B8 #D3B058 #58D372
square
#587BD3 #D358B8 #D3B058 #58D372
split-complementary
#587BD3 #D37258 #B8D358
monochromatic
#25428C #3259BC #587BD3 #88A1E0 #B9C8ED
Accessibility & contrast
On white
4.05
#587BD3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.19
#587BD3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587BD3
5.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587BD3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587BD3 | 1.00 | 4.05 | 5.19 | 5.19 |
| #FFFFFF | 4.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5584D6
Deuteranopia (green-blind)
#4479D1
Tritanopia (blue-blind)
#008F9D
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #587bd3; /* rgb */ color: rgb(88, 123, 211); /* oklch */ color: oklch(59.9% 0.140 266.0);
Tailwind
colors: {
custom: {
50: '#91a0e1',
500: '#587bd3',
950: '#000000',
},
}SCSS
$custom: #587bd3; $custom-light: #91a0e1; $custom-dark: #000000;
JSON
{
"hex": "#587bd3",
"rgb": {
"r": 88,
"g": 123,
"b": 211
},
"hsl": {
"h": 222.927,
"s": 58.294,
"l": 58.627
},
"oklch": {
"l": 0.59867,
"c": 0.14017,
"h": 266
},
"luminance": 0.20944
}Semantic roles & 50–950 ramp
primary
#587BD3
secondary
#DCCEAB
accent
#B546E2
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0E15
muted
#7E7E83