#587DCD#587DCD
#587DCD is a mid, vivid blue. Relative luminance 0.211; OKLCH L 59.9% C 0.129 H 264.1°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #587DCD |
|---|---|
| RGB | rgb(88, 125, 205) |
| HSL | hsl(221, 54%, 57%) |
| HSV | hsv(221, 57%, 80%) |
| CMYK | cmyk(57.1%, 39%, 0%, 19.6%) |
| CIE-LAB | lab(53.11, 10.83, -45.40) |
| CIE-LCH | lch(53.11, 46.67, 283.42°) |
| OKLab | oklab(59.94% -0.0132 -0.1288) |
| OKLCH | oklch(59.94% 0.129 264.1) |
| XYZ | xyz(22.3738, 21.1479, 60.6487) |
| Luminance | 0.2115 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 4.67
Soft Blue
#6488EA
ΔE00 5.15
Lightish Blue
#3D7AFD
ΔE00 5.22
Off Blue
#5684AE
ΔE00 5.50
Faded Blue
#658CBB
ΔE00 5.53
Dodger Blue
#3E82FC
ΔE00 5.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587DCD #CDA858
analogous
#58B7CD #587DCD #6E58CD
triadic
#587DCD #CD587D #7DCD58
tetradic
#587DCD #CD58B7 #CDA858 #58CD6E
square
#587DCD #CD58B7 #CDA858 #58CD6E
split-complementary
#587DCD #CD6E58 #B7CD58
monochromatic
#274483 #355DB2 #587DCD #87A2DB #B6C6E9
Accessibility & contrast
On white
4.02
#587DCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.23
#587DCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587DCD
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587DCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587DCD | 1.00 | 4.02 | 5.23 | 5.23 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B85D0
Deuteranopia (green-blind)
#4C7ACB
Tritanopia (blue-blind)
#008F9B
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #587dcd; /* rgb */ color: rgb(88, 125, 205); /* oklch */ color: oklch(59.9% 0.129 264.1);
Tailwind
colors: {
custom: {
50: '#90a2dc',
500: '#587dcd',
950: '#000000',
},
}SCSS
$custom: #587dcd; $custom-light: #90a2dc; $custom-dark: #000000;
JSON
{
"hex": "#587dcd",
"rgb": {
"r": 88,
"g": 125,
"b": 205
},
"hsl": {
"h": 221.026,
"s": 53.917,
"l": 57.451
},
"oklch": {
"l": 0.59936,
"c": 0.12947,
"h": 264.1
},
"luminance": 0.2115
}Semantic roles & 50–950 ramp
primary
#587DCD
secondary
#D8C9A9
accent
#AF4BDD
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0F15
muted
#7E7E83