#587BC4#587BC4
#587BC4 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 59.0% C 0.119 H 263.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #587BC4 |
|---|---|
| RGB | rgb(88, 123, 196) |
| HSL | hsl(221, 48%, 56%) |
| HSV | hsv(221, 55%, 77%) |
| CMYK | cmyk(55.1%, 37.2%, 0%, 23.1%) |
| CIE-LAB | lab(52.09, 9.11, -41.89) |
| CIE-LCH | lch(52.09, 42.87, 282.26°) |
| OKLab | oklab(58.99% -0.013 -0.1185) |
| OKLCH | oklch(58.99% 0.119 263.7) |
| XYZ | xyz(21.0679, 20.2245, 55.0074) |
| Luminance | 0.2023 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 4.43
Windows Blue
#3778BF
ΔE00 5.42
Off Blue
#5684AE
ΔE00 5.50
Dusty Blue
#5A86AD
ΔE00 5.97
Faded Blue
#658CBB
ΔE00 6.04
Lightish Blue
#3D7AFD
ΔE00 6.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#587BC4 #C4A158
analogous
#58B1C4 #587BC4 #6B58C4
triadic
#587BC4 #C4587B #7BC458
tetradic
#587BC4 #C458B1 #C4A158 #58C46B
square
#587BC4 #C458B1 #C4A158 #58C46B
split-complementary
#587BC4 #C46B58 #B1C458
monochromatic
#2A4377 #3A5DA5 #587BC4 #859FD4 #B2C2E4
Accessibility & contrast
On white
4.16
#587BC4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.05
#587BC4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #587BC4
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##587BC4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##587BC4 | 1.00 | 4.16 | 5.05 | 5.05 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D82C7
Deuteranopia (green-blind)
#5078C2
Tritanopia (blue-blind)
#178B96
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #587bc4; /* rgb */ color: rgb(88, 123, 196); /* oklch */ color: oklch(59.0% 0.119 263.7);
Tailwind
colors: {
custom: {
50: '#8fa0d6',
500: '#587bc4',
950: '#000000',
},
}SCSS
$custom: #587bc4; $custom-light: #8fa0d6; $custom-dark: #000000;
JSON
{
"hex": "#587bc4",
"rgb": {
"r": 88,
"g": 123,
"b": 196
},
"hsl": {
"h": 220.556,
"s": 47.788,
"l": 55.686
},
"oklch": {
"l": 0.58993,
"c": 0.11926,
"h": 263.7
},
"luminance": 0.20226
}Semantic roles & 50–950 ramp
primary
#587BC4
secondary
#D2C4A5
accent
#AC50D7
background
#F9F9FD
surface
#F1F2FA
border
#CBCCD3
text
#0D0E14
muted
#7E7E83