#4581CF#4581CF
#4581CF is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.0% C 0.135 H 255.9°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #4581CF |
|---|---|
| RGB | rgb(69, 129, 207) |
| HSL | hsl(214, 59%, 54%) |
| HSV | hsv(214, 67%, 81%) |
| CMYK | cmyk(66.7%, 37.7%, 0%, 18.8%) |
| CIE-LAB | lab(53.46, 5.56, -46.04) |
| CIE-LCH | lch(53.46, 46.37, 276.88°) |
| OKLab | oklab(60% -0.033 -0.1309) |
| OKLCH | oklch(60% 0.135 255.9) |
| XYZ | xyz(21.5629, 21.4685, 62.0268) |
| Luminance | 0.2147 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 3.42
Steel Blue
#4682B4
ΔE00 3.95
Windows Blue
#3778BF
ΔE00 4.02
Azure
#007FFF
ΔE00 4.22
Off Blue
#5684AE
ΔE00 4.23
Dodger Blue
#3E82FC
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4581CF #CF9345
analogous
#45C6CF #4581CF #4E45CF
triadic
#4581CF #CF4581 #81CF45
tetradic
#4581CF #CF45C6 #CF9345 #45CF4E
square
#4581CF #CF45C6 #CF9345 #45CF4E
split-complementary
#4581CF #CF4E45 #C6CF45
monochromatic
#20477A #2C63AB #4581CF #76A2DC #A6C3E8
Accessibility & contrast
On white
3.97
#4581CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.29
#4581CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4581CF
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4581CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4581CF | 1.00 | 3.97 | 5.29 | 5.29 |
| #FFFFFF | 3.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E87D2
Deuteranopia (green-blind)
#4A7ACD
Tritanopia (blue-blind)
#00939E
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #4581cf; /* rgb */ color: rgb(69, 129, 207); /* oklch */ color: oklch(60.0% 0.135 255.9);
Tailwind
colors: {
custom: {
50: '#87a5de',
500: '#4581cf',
950: '#000000',
},
}SCSS
$custom: #4581cf; $custom-light: #87a5de; $custom-dark: #000000;
JSON
{
"hex": "#4581cf",
"rgb": {
"r": 69,
"g": 129,
"b": 207
},
"hsl": {
"h": 213.913,
"s": 58.974,
"l": 54.118
},
"oklch": {
"l": 0.60001,
"c": 0.13501,
"h": 255.9
},
"luminance": 0.21471
}Semantic roles & 50–950 ramp
primary
#4581CF
secondary
#D5BC9B
accent
#9E46E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83