#587ECF#587ECF
#587ECF is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.3% C 0.131 H 263.9°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #587ECF |
|---|---|
| RGB | rgb(88, 126, 207) |
| HSL | hsl(221, 55%, 58%) |
| HSV | hsv(221, 57%, 81%) |
| CMYK | cmyk(57.5%, 39.1%, 0%, 18.8%) |
| CIE-LAB | lab(53.49, 10.88, -45.93) |
| CIE-LCH | lch(53.49, 47.20, 283.33°) |
| OKLab | oklab(60.26% -0.0139 -0.1303) |
| OKLCH | oklch(60.26% 0.131 263.9) |
| XYZ | xyz(22.7440, 21.4996, 61.9707) |
| Luminance | 0.2150 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 4.78
Cornflower Blue
#5170D7
ΔE00 4.96
Lightish Blue
#3D7AFD
ΔE00 5.03
Dodger Blue
#3E82FC
ΔE00 5.21
Faded Blue
#658CBB
ΔE00 5.28
Clear Blue
#247AFD
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587ECF #CFA958
analogous
#58BACF #587ECF #6D58CF
triadic
#587ECF #CF587E #7ECF58
tetradic
#587ECF #CF58BA #CFA958 #58CF6D
square
#587ECF #CF58BA #CFA958 #58CF6D
split-complementary
#587ECF #CF6D58 #BACF58
monochromatic
#274586 #345EB6 #587ECF #88A3DD #B7C7EA
Accessibility & contrast
On white
3.96
#587ECF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.30
#587ECF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587ECF
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587ECF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587ECF | 1.00 | 3.96 | 5.30 | 5.30 |
| #FFFFFF | 3.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C86D2
Deuteranopia (green-blind)
#4C7BCD
Tritanopia (blue-blind)
#00909C
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #587ecf; /* rgb */ color: rgb(88, 126, 207); /* oklch */ color: oklch(60.3% 0.131 263.9);
Tailwind
colors: {
custom: {
50: '#90a3de',
500: '#587ecf',
950: '#000000',
},
}SCSS
$custom: #587ecf; $custom-light: #90a3de; $custom-dark: #000000;
JSON
{
"hex": "#587ecf",
"rgb": {
"r": 88,
"g": 126,
"b": 207
},
"hsl": {
"h": 220.84,
"s": 55.349,
"l": 57.843
},
"oklch": {
"l": 0.60264,
"c": 0.13107,
"h": 263.9
},
"luminance": 0.21501
}Semantic roles & 50–950 ramp
primary
#587ECF
secondary
#D9CAAA
accent
#AF49DF
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0F15
muted
#7E7E83