#3182D4#3182D4
#3182D4 is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.8% C 0.147 H 251.9°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).
Color values
| HEX | #3182D4 |
|---|---|
| RGB | rgb(49, 130, 212) |
| HSL | hsl(210, 65%, 51%) |
| HSV | hsv(210, 77%, 83%) |
| CMYK | cmyk(76.9%, 38.7%, 0%, 16.9%) |
| CIE-LAB | lab(53.35, 3.96, -49.08) |
| CIE-LCH | lch(53.35, 49.24, 274.61°) |
| OKLab | oklab(59.82% -0.0457 -0.1401) |
| OKLCH | oklch(59.82% 0.147 251.9) |
| XYZ | xyz(21.1284, 21.3692, 65.2857) |
| Luminance | 0.2137 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 3.17
Cerulean (survey)
#0485D1
ΔE00 3.47
Steel Blue
#4682B4
ΔE00 3.60
Windows Blue
#3778BF
ΔE00 4.19
Azure
#007FFF
ΔE00 4.31
Water Blue
#0E87CC
ΔE00 4.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3182D4 #D48331
analogous
#31D3D4 #3182D4 #3131D4
triadic
#3182D4 #D43182 #82D431
tetradic
#3182D4 #D431D3 #D48331 #31D431
square
#3182D4 #D431D3 #D48331 #31D431
split-complementary
#3182D4 #D43131 #D3D431
monochromatic
#184573 #2363A5 #3182D4 #64A1DF #96BFE9
Accessibility & contrast
On white
3.98
#3182D4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.27
#3182D4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3182D4
5.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3182D4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3182D4 | 1.00 | 3.98 | 5.27 | 5.27 |
| #FFFFFF | 3.98 | 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)
#5B88D7
Deuteranopia (green-blind)
#4179D2
Tritanopia (blue-blind)
#0095A1
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #3182d4; /* rgb */ color: rgb(49, 130, 212); /* oklch */ color: oklch(59.8% 0.147 251.9);
Tailwind
colors: {
custom: {
50: '#80a5e1',
500: '#3182d4',
950: '#000000',
},
}SCSS
$custom: #3182d4; $custom-light: #80a5e1; $custom-dark: #000000;
JSON
{
"hex": "#3182d4",
"rgb": {
"r": 49,
"g": 130,
"b": 212
},
"hsl": {
"h": 210.184,
"s": 65.462,
"l": 51.176
},
"oklch": {
"l": 0.59819,
"c": 0.14732,
"h": 251.9
},
"luminance": 0.21372
}Semantic roles & 50–950 ramp
primary
#3182D4
secondary
#D4B18C
accent
#943FE8
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83