#3381BD#3381BD
#3381BD is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.3% C 0.119 H 245.3°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #3381BD |
|---|---|
| RGB | rgb(51, 129, 189) |
| HSL | hsl(206, 58%, 47%) |
| HSV | hsv(206, 73%, 74%) |
| CMYK | cmyk(73%, 31.7%, 0%, 25.9%) |
| CIE-LAB | lab(51.92, -3.54, -38.25) |
| CIE-LCH | lch(51.92, 38.42, 264.71°) |
| OKLab | oklab(58.33% -0.0498 -0.1084) |
| OKLCH | oklch(58.33% 0.119 245.3) |
| XYZ | xyz(18.3973, 20.0764, 51.0398) |
| Luminance | 0.2008 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.88
Cool Blue
#4984B8
ΔE00 2.32
Cerulean (survey)
#0485D1
ΔE00 2.57
Water Blue
#0E87CC
ΔE00 2.95
Windows Blue
#3778BF
ΔE00 4.16
Off Blue
#5684AE
ΔE00 4.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3381BD #BD6F33
analogous
#33BDB4 #3381BD #333CBD
triadic
#3381BD #BD3381 #81BD33
tetradic
#3381BD #B433BD #BD6F33 #3CBD33
square
#3381BD #B433BD #BD6F33 #3CBD33
split-complementary
#3381BD #BD333C #BDB433
monochromatic
#193F5D #26608D #3381BD #5B9ED3 #8BBBE0
Accessibility & contrast
On white
4.19
#3381BD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.02
#3381BD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3381BD
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3381BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3381BD | 1.00 | 4.19 | 5.02 | 5.02 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6683C0
Deuteranopia (green-blind)
#5276BC
Tritanopia (blue-blind)
#009096
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #3381bd; /* rgb */ color: rgb(51, 129, 189); /* oklch */ color: oklch(58.3% 0.119 245.3);
Tailwind
colors: {
custom: {
50: '#7ca5d1',
500: '#3381bd',
950: '#000000',
},
}SCSS
$custom: #3381bd; $custom-light: #7ca5d1; $custom-dark: #000000;
JSON
{
"hex": "#3381bd",
"rgb": {
"r": 51,
"g": 129,
"b": 189
},
"hsl": {
"h": 206.087,
"s": 57.5,
"l": 47.059
},
"oklch": {
"l": 0.58325,
"c": 0.11929,
"h": 245.3
},
"luminance": 0.20078
}Semantic roles & 50–950 ramp
primary
#3381BD
secondary
#CAA182
accent
#8A47E1
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82