#3380B2#3380B2
#3380B2 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.5% C 0.107 H 240.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).
Color values
| HEX | #3380B2 |
|---|---|
| RGB | rgb(51, 128, 178) |
| HSL | hsl(204, 55%, 45%) |
| HSV | hsv(204, 71%, 70%) |
| CMYK | cmyk(71.3%, 28.1%, 0%, 30.2%) |
| CIE-LAB | lab(51.10, -6.86, -33.23) |
| CIE-LCH | lch(51.10, 33.93, 258.33°) |
| OKLab | oklab(57.5% -0.0523 -0.0938) |
| OKLCH | oklch(57.5% 0.107 240.9) |
| XYZ | xyz(17.1172, 19.3546, 44.9445) |
| Luminance | 0.1936 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.56
Nice Blue
#107AB0
ΔE00 2.92
Cool Blue
#4984B8
ΔE00 3.38
Water Blue
#0E87CC
ΔE00 3.80
Cerulean (survey)
#0485D1
ΔE00 4.03
Off Blue
#5684AE
ΔE00 4.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3380B2 #B26533
analogous
#33B2A5 #3380B2 #3340B2
triadic
#3380B2 #B23380 #80B233
tetradic
#3380B2 #A533B2 #B26533 #40B233
square
#3380B2 #A533B2 #B26533 #40B233
split-complementary
#3380B2 #B23340 #B2A533
monochromatic
#183C53 #255E82 #3380B2 #549ECE #84B9DC
Accessibility & contrast
On white
4.31
#3380B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.87
#3380B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3380B2
4.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3380B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3380B2 | 1.00 | 4.31 | 4.87 | 4.87 |
| #FFFFFF | 4.31 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.87 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.87 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6980B4
Deuteranopia (green-blind)
#5874B1
Tritanopia (blue-blind)
#008C91
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #3380b2; /* rgb */ color: rgb(51, 128, 178); /* oklch */ color: oklch(57.5% 0.107 240.9);
Tailwind
colors: {
custom: {
50: '#7aa4c9',
500: '#3380b2',
950: '#000000',
},
}SCSS
$custom: #3380b2; $custom-light: #7aa4c9; $custom-dark: #000000;
JSON
{
"hex": "#3380b2",
"rgb": {
"r": 51,
"g": 128,
"b": 178
},
"hsl": {
"h": 203.622,
"s": 55.459,
"l": 44.902
},
"oklch": {
"l": 0.57501,
"c": 0.10737,
"h": 240.9
},
"luminance": 0.19357
}Semantic roles & 50–950 ramp
primary
#3380B2
secondary
#C5997C
accent
#8449DF
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F13
muted
#7C7F82