#3B83CC#3B83CC
#3B83CC is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 59.9% C 0.133 H 251.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #3B83CC |
|---|---|
| RGB | rgb(59, 131, 204) |
| HSL | hsl(210, 59%, 52%) |
| HSV | hsv(210, 71%, 80%) |
| CMYK | cmyk(71.1%, 35.8%, 0%, 20%) |
| CIE-LAB | lab(53.51, 1.75, -44.27) |
| CIE-LCH | lch(53.51, 44.31, 272.27°) |
| OKLab | oklab(59.89% -0.0426 -0.1259) |
| OKLCH | oklch(59.89% 0.133 251.3) |
| XYZ | xyz(20.8149, 21.5198, 60.1718) |
| Luminance | 0.2152 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.42
Steel Blue
#4682B4
ΔE00 2.95
Cerulean (survey)
#0485D1
ΔE00 3.39
Off Blue
#5684AE
ΔE00 4.14
Windows Blue
#3778BF
ΔE00 4.20
Water Blue
#0E87CC
ΔE00 4.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B83CC #CC843B
analogous
#3BCBCC #3B83CC #3C3BCC
triadic
#3B83CC #CC3B83 #83CC3B
tetradic
#3B83CC #CC3BCB #CC843B #3BCC3C
square
#3B83CC #CC3BCB #CC843B #3BCC3C
split-complementary
#3B83CC #CC3C3B #CBCC3B
monochromatic
#1D4670 #2A64A0 #3B83CC #6CA2D9 #9CC0E5
Accessibility & contrast
On white
3.96
#3B83CC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.30
#3B83CC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3B83CC
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B83CC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3B83CC | 1.00 | 3.96 | 5.30 | 5.30 |
| #FFFFFF | 3.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6287CF
Deuteranopia (green-blind)
#4D7ACB
Tritanopia (blue-blind)
#00949E
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #3b83cc; /* rgb */ color: rgb(59, 131, 204); /* oklch */ color: oklch(59.9% 0.133 251.3);
Tailwind
colors: {
custom: {
50: '#82a6dc',
500: '#3b83cc',
950: '#000000',
},
}SCSS
$custom: #3b83cc; $custom-light: #82a6dc; $custom-dark: #000000;
JSON
{
"hex": "#3b83cc",
"rgb": {
"r": 59,
"g": 131,
"b": 204
},
"hsl": {
"h": 210.207,
"s": 58.704,
"l": 51.569
},
"oklch": {
"l": 0.59892,
"c": 0.13289,
"h": 251.3
},
"luminance": 0.21522
}Semantic roles & 50–950 ramp
primary
#3B83CC
secondary
#D1B292
accent
#9446E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83