#3383CF#3383CF
#3383CF is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.8% C 0.139 H 250.4°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #3383CF |
|---|---|
| RGB | rgb(51, 131, 207) |
| HSL | hsl(209, 62%, 51%) |
| HSV | hsv(209, 75%, 81%) |
| CMYK | cmyk(75.4%, 36.7%, 0%, 18.8%) |
| CIE-LAB | lab(53.43, 1.76, -46.13) |
| CIE-LCH | lch(53.43, 46.16, 272.19°) |
| OKLab | oklab(59.81% -0.0467 -0.1314) |
| OKLCH | oklch(59.81% 0.139 250.4) |
| XYZ | xyz(20.7398, 21.4390, 62.0645) |
| Luminance | 0.2144 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.71
Cerulean (survey)
#0485D1
ΔE00 2.83
Steel Blue
#4682B4
ΔE00 3.14
Water Blue
#0E87CC
ΔE00 3.79
Windows Blue
#3778BF
ΔE00 4.36
Off Blue
#5684AE
ΔE00 4.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3383CF #CF7F33
analogous
#33CFCD #3383CF #3335CF
triadic
#3383CF #CF3383 #83CF33
tetradic
#3383CF #CD33CF #CF7F33 #35CF33
square
#3383CF #CD33CF #CF7F33 #35CF33
split-complementary
#3383CF #CF3335 #CFCD33
monochromatic
#1A456E #25649F #3383CF #65A1DB #96BFE6
Accessibility & contrast
On white
3.97
#3383CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.29
#3383CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3383CF
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3383CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3383CF | 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)
#6087D2
Deuteranopia (green-blind)
#4879CE
Tritanopia (blue-blind)
#00959F
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #3383cf; /* rgb */ color: rgb(51, 131, 207); /* oklch */ color: oklch(59.8% 0.139 250.4);
Tailwind
colors: {
custom: {
50: '#80a6de',
500: '#3383cf',
950: '#000000',
},
}SCSS
$custom: #3383cf; $custom-light: #80a6de; $custom-dark: #000000;
JSON
{
"hex": "#3383cf",
"rgb": {
"r": 51,
"g": 131,
"b": 207
},
"hsl": {
"h": 209.231,
"s": 61.905,
"l": 50.588
},
"oklch": {
"l": 0.59806,
"c": 0.13942,
"h": 250.4
},
"luminance": 0.21441
}Semantic roles & 50–950 ramp
primary
#3383CF
secondary
#D2AE8C
accent
#9243E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83