#587DD1#587DD1
#587DD1 is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.2% C 0.135 H 264.7°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).
Color values
| HEX | #587DD1 |
|---|---|
| RGB | rgb(88, 125, 209) |
| HSL | hsl(222, 57%, 58%) |
| HSV | hsv(222, 58%, 82%) |
| CMYK | cmyk(57.9%, 40.2%, 0%, 18%) |
| CIE-LAB | lab(53.32, 12.15, -47.33) |
| CIE-LCH | lch(53.32, 48.87, 284.40°) |
| OKLab | oklab(60.17% -0.0124 -0.1344) |
| OKLCH | oklch(60.17% 0.135 264.7) |
| XYZ | xyz(22.8628, 21.3435, 63.2241) |
| Luminance | 0.2135 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 4.57
Soft Blue
#6488EA
ΔE00 4.82
Lightish Blue
#3D7AFD
ΔE00 4.85
Dodger Blue
#3E82FC
ΔE00 5.25
Clear Blue
#247AFD
ΔE00 5.31
Faded Blue
#658CBB
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587DD1 #D1AC58
analogous
#58B9D1 #587DD1 #6F58D1
triadic
#587DD1 #D1587D #7DD158
tetradic
#587DD1 #D158B9 #D1AC58 #58D16F
square
#587DD1 #D158B9 #D1AC58 #58D16F
split-complementary
#587DD1 #D16F58 #B9D158
monochromatic
#264489 #335CB9 #587DD1 #88A2DE #B8C8EB
Accessibility & contrast
On white
3.99
#587DD1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.27
#587DD1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587DD1
5.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587DD1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587DD1 | 1.00 | 3.99 | 5.27 | 5.27 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.27 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.27 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5985D4
Deuteranopia (green-blind)
#497ACF
Tritanopia (blue-blind)
#00909D
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #587dd1; /* rgb */ color: rgb(88, 125, 209); /* oklch */ color: oklch(60.2% 0.135 264.7);
Tailwind
colors: {
custom: {
50: '#90a2df',
500: '#587dd1',
950: '#000000',
},
}SCSS
$custom: #587dd1; $custom-light: #90a2df; $custom-dark: #000000;
JSON
{
"hex": "#587dd1",
"rgb": {
"r": 88,
"g": 125,
"b": 209
},
"hsl": {
"h": 221.653,
"s": 56.808,
"l": 58.235
},
"oklch": {
"l": 0.60169,
"c": 0.13501,
"h": 264.7
},
"luminance": 0.21345
}Semantic roles & 50–950 ramp
primary
#587DD1
secondary
#DACCAA
accent
#B148E0
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0F15
muted
#7E7E83