#587CBA#587CBA
#587CBA is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.7% C 0.104 H 260.8°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #587CBA |
|---|---|
| RGB | rgb(88, 124, 186) |
| HSL | hsl(218, 42%, 54%) |
| HSV | hsv(218, 53%, 73%) |
| CMYK | cmyk(52.7%, 33.3%, 0%, 27.1%) |
| CIE-LAB | lab(51.88, 5.29, -36.50) |
| CIE-LCH | lch(51.88, 36.88, 278.24°) |
| OKLab | oklab(58.66% -0.0167 -0.1028) |
| OKLCH | oklch(58.66% 0.104 260.8) |
| XYZ | xyz(20.0921, 20.0337, 49.2530) |
| Luminance | 0.2004 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Off Blue
#5684AE
ΔE00 4.76
Windows Blue
#3778BF
ΔE00 4.90
Dusty Blue
#5A86AD
ΔE00 5.33
Cornflower Blue
#5170D7
ΔE00 5.33
Cool Blue
#4984B8
ΔE00 5.52
Faded Blue
#658CBB
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587CBA #BA9658
analogous
#58ADBA #587CBA #6558BA
triadic
#587CBA #BA587C #7CBA58
tetradic
#587CBA #BA58AD #BA9658 #58BA65
square
#587CBA #BA58AD #BA9658 #58BA65
split-complementary
#587CBA #BA6558 #ADBA58
monochromatic
#2C436B #3E5F97 #587CBA #839ECC #AFC0DE
Accessibility & contrast
On white
4.19
#587CBA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.01
#587CBA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587CBA
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587CBA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587CBA | 1.00 | 4.19 | 5.01 | 5.01 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6481BD
Deuteranopia (green-blind)
#5878B9
Tritanopia (blue-blind)
#268A92
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #587cba; /* rgb */ color: rgb(88, 124, 186); /* oklch */ color: oklch(58.7% 0.104 260.8);
Tailwind
colors: {
custom: {
50: '#8da1cf',
500: '#587cba',
950: '#000000',
},
}SCSS
$custom: #587cba; $custom-light: #8da1cf; $custom-dark: #000000;
JSON
{
"hex": "#587cba",
"rgb": {
"r": 88,
"g": 124,
"b": 186
},
"hsl": {
"h": 217.959,
"s": 41.525,
"l": 53.725
},
"oklch": {
"l": 0.58664,
"c": 0.10418,
"h": 260.8
},
"luminance": 0.20035
}Semantic roles & 50–950 ramp
primary
#587CBA
secondary
#CCBCA2
accent
#A456D1
background
#F9F9FC
surface
#F1F2F9
border
#CBCCD2
text
#0D0E14
muted
#7E7E82