#4587CF#4587CF
#4587CF is a mid, vivid cyan. Relative luminance 0.231; OKLCH L 61.3% C 0.129 H 252.4°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #4587CF |
|---|---|
| RGB | rgb(69, 135, 207) |
| HSL | hsl(211, 59%, 54%) |
| HSV | hsv(211, 67%, 81%) |
| CMYK | cmyk(66.7%, 34.8%, 0%, 18.8%) |
| CIE-LAB | lab(55.17, 1.97, -43.33) |
| CIE-LCH | lch(55.17, 43.37, 272.60°) |
| OKLab | oklab(61.34% -0.039 -0.1229) |
| OKLCH | oklch(61.34% 0.129 252.4) |
| XYZ | xyz(22.3766, 23.0959, 62.2981) |
| Luminance | 0.2310 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.92
Dark Sky Blue
#448EE4
ΔE00 3.04
Steel Blue
#4682B4
ΔE00 3.78
Off Blue
#5684AE
ΔE00 4.20
Cerulean (survey)
#0485D1
ΔE00 4.20
Dusty Blue
#5A86AD
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4587CF #CF8D45
analogous
#45CCCF #4587CF #4845CF
triadic
#4587CF #CF4587 #87CF45
tetradic
#4587CF #CF45CC #CF8D45 #45CF48
square
#4587CF #CF45CC #CF8D45 #45CF48
split-complementary
#4587CF #CF4845 #CCCF45
monochromatic
#204B7A #2C69AB #4587CF #76A6DC #A6C6E8
Accessibility & contrast
On white
3.74
#4587CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.62
#4587CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4587CF
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4587CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4587CF | 1.00 | 3.74 | 5.62 | 5.62 |
| #FFFFFF | 3.74 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#678BD2
Deuteranopia (green-blind)
#547ECE
Tritanopia (blue-blind)
#0098A1
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #4587cf; /* rgb */ color: rgb(69, 135, 207); /* oklch */ color: oklch(61.3% 0.129 252.4);
Tailwind
colors: {
custom: {
50: '#87a9de',
500: '#4587cf',
950: '#000000',
},
}SCSS
$custom: #4587cf; $custom-light: #87a9de; $custom-dark: #000000;
JSON
{
"hex": "#4587cf",
"rgb": {
"r": 69,
"g": 135,
"b": 207
},
"hsl": {
"h": 211.304,
"s": 58.974,
"l": 54.118
},
"oklch": {
"l": 0.61338,
"c": 0.12895,
"h": 252.4
},
"luminance": 0.23098
}Semantic roles & 50–950 ramp
primary
#4587CF
secondary
#D5B99B
accent
#9746E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83