#4282C9#4282C9
#4282C9 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.8% C 0.127 H 252.8°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).
Color values
| HEX | #4282C9 |
|---|---|
| RGB | rgb(66, 130, 201) |
| HSL | hsl(212, 56%, 52%) |
| HSV | hsv(212, 67%, 79%) |
| CMYK | cmyk(67.2%, 35.3%, 0%, 21.2%) |
| CIE-LAB | lab(53.32, 2.37, -42.86) |
| CIE-LCH | lch(53.32, 42.93, 273.17°) |
| OKLab | oklab(59.76% -0.0377 -0.1217) |
| OKLCH | oklch(59.76% 0.127 252.8) |
| XYZ | xyz(20.7681, 21.3384, 58.2712) |
| Luminance | 0.2134 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.43
Steel Blue
#4682B4
ΔE00 2.96
Off Blue
#5684AE
ΔE00 3.77
Windows Blue
#3778BF
ΔE00 3.82
Cerulean (survey)
#0485D1
ΔE00 4.28
Dusty Blue
#5A86AD
ΔE00 4.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4282C9 #C98942
analogous
#42C5C9 #4282C9 #4642C9
triadic
#4282C9 #C94282 #82C942
tetradic
#4282C9 #C942C5 #C98942 #42C946
square
#4282C9 #C942C5 #C98942 #42C946
split-complementary
#4282C9 #C94642 #C5C942
monochromatic
#204670 #2E64A0 #4282C9 #72A1D7 #A1C1E4
Accessibility & contrast
On white
3.99
#4282C9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.27
#4282C9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4282C9
5.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4282C9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4282C9 | 1.00 | 3.99 | 5.27 | 5.27 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.27 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.27 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6386CC
Deuteranopia (green-blind)
#4F7AC8
Tritanopia (blue-blind)
#00939C
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #4282c9; /* rgb */ color: rgb(66, 130, 201); /* oklch */ color: oklch(59.8% 0.127 252.8);
Tailwind
colors: {
custom: {
50: '#84a5da',
500: '#4282c9',
950: '#000000',
},
}SCSS
$custom: #4282c9; $custom-light: #84a5da; $custom-dark: #000000;
JSON
{
"hex": "#4282c9",
"rgb": {
"r": 66,
"g": 130,
"b": 201
},
"hsl": {
"h": 211.556,
"s": 55.556,
"l": 52.353
},
"oklch": {
"l": 0.59757,
"c": 0.12737,
"h": 252.8
},
"luminance": 0.21341
}Semantic roles & 50–950 ramp
primary
#4282C9
secondary
#D1B596
accent
#9849DF
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F15
muted
#7D7F83