#587AC3#587AC3
#587AC3 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.7% C 0.119 H 264.2°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #587AC3 |
|---|---|
| RGB | rgb(88, 122, 195) |
| HSL | hsl(221, 47%, 55%) |
| HSV | hsv(221, 55%, 76%) |
| CMYK | cmyk(54.9%, 37.4%, 0%, 23.5%) |
| CIE-LAB | lab(51.76, 9.39, -41.84) |
| CIE-LCH | lch(51.76, 42.88, 282.64°) |
| OKLab | oklab(58.72% -0.0121 -0.1184) |
| OKLCH | oklch(58.72% 0.119 264.2) |
| XYZ | xyz(20.8310, 19.9323, 54.3688) |
| Luminance | 0.1993 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 4.20
Windows Blue
#3778BF
ΔE00 5.47
Off Blue
#5684AE
ΔE00 5.73
Dusty Blue
#5A86AD
ΔE00 6.21
Faded Blue
#658CBB
ΔE00 6.38
Lightish Blue
#3D7AFD
ΔE00 6.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587AC3 #C3A158
analogous
#58AFC3 #587AC3 #6B58C3
triadic
#587AC3 #C3587A #7AC358
tetradic
#587AC3 #C358AF #C3A158 #58C36B
square
#587AC3 #C358AF #C3A158 #58C36B
split-complementary
#587AC3 #C36B58 #AFC358
monochromatic
#2A4376 #3B5CA3 #587AC3 #859ED3 #B2C2E3
Accessibility & contrast
On white
4.21
#587AC3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#587AC3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587AC3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587AC3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587AC3 | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C81C6
Deuteranopia (green-blind)
#4F77C1
Tritanopia (blue-blind)
#1A8A95
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #587ac3; /* rgb */ color: rgb(88, 122, 195); /* oklch */ color: oklch(58.7% 0.119 264.2);
Tailwind
colors: {
custom: {
50: '#8ea0d5',
500: '#587ac3',
950: '#000000',
},
}SCSS
$custom: #587ac3; $custom-light: #8ea0d5; $custom-dark: #000000;
JSON
{
"hex": "#587ac3",
"rgb": {
"r": 88,
"g": 122,
"b": 195
},
"hsl": {
"h": 220.935,
"s": 47.137,
"l": 55.49
},
"oklch": {
"l": 0.58721,
"c": 0.11903,
"h": 264.2
},
"luminance": 0.19934
}Semantic roles & 50–950 ramp
primary
#587AC3
secondary
#D2C4A5
accent
#AC51D7
background
#F9F9FD
surface
#F1F2FA
border
#CBCCD3
text
#0D0E14
muted
#7E7E83