#4282CF#4282CF
#4282CF is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.1% C 0.135 H 254.5°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).
Color values
| HEX | #4282CF |
|---|---|
| RGB | rgb(66, 130, 207) |
| HSL | hsl(213, 59%, 54%) |
| HSV | hsv(213, 68%, 81%) |
| CMYK | cmyk(68.1%, 37.2%, 0%, 18.8%) |
| CIE-LAB | lab(53.63, 4.47, -45.78) |
| CIE-LCH | lch(53.63, 45.99, 275.58°) |
| OKLab | oklab(60.1% -0.0362 -0.1302) |
| OKLCH | oklch(60.1% 0.135 254.5) |
| XYZ | xyz(21.4878, 21.6263, 62.0612) |
| Luminance | 0.2163 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 3.07
Steel Blue
#4682B4
ΔE00 3.64
Windows Blue
#3778BF
ΔE00 4.12
Off Blue
#5684AE
ΔE00 4.18
Azure
#007FFF
ΔE00 4.22
Dark Sky Blue
#448EE4
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4282CF #CF8F42
analogous
#42C8CF #4282CF #4842CF
triadic
#4282CF #CF4282 #82CF42
tetradic
#4282CF #CF42C8 #CF8F42 #42CF48
square
#4282CF #CF42C8 #CF8F42 #42CF48
split-complementary
#4282CF #CF4842 #C8CF42
monochromatic
#1F4778 #2B64A9 #4282CF #73A2DB #A4C3E8
Accessibility & contrast
On white
3.94
#4282CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.33
#4282CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4282CF
5.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4282CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4282CF | 1.00 | 3.94 | 5.33 | 5.33 |
| #FFFFFF | 3.94 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.33 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.33 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F87D2
Deuteranopia (green-blind)
#4B7ACD
Tritanopia (blue-blind)
#00949E
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #4282cf; /* rgb */ color: rgb(66, 130, 207); /* oklch */ color: oklch(60.1% 0.135 254.5);
Tailwind
colors: {
custom: {
50: '#85a5de',
500: '#4282cf',
950: '#000000',
},
}SCSS
$custom: #4282cf; $custom-light: #85a5de; $custom-dark: #000000;
JSON
{
"hex": "#4282cf",
"rgb": {
"r": 66,
"g": 130,
"b": 207
},
"hsl": {
"h": 212.766,
"s": 59.494,
"l": 53.529
},
"oklch": {
"l": 0.60101,
"c": 0.13512,
"h": 254.5
},
"luminance": 0.21629
}Semantic roles & 50–950 ramp
primary
#4282CF
secondary
#D5B998
accent
#9B45E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83