#3182BE#3182BE
#3182BE is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.6% C 0.120 H 244.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).
Color values
| HEX | #3182BE |
|---|---|
| RGB | rgb(49, 130, 190) |
| HSL | hsl(206, 59%, 47%) |
| HSV | hsv(206, 74%, 75%) |
| CMYK | cmyk(74.2%, 31.6%, 0%, 25.5%) |
| CIE-LAB | lab(52.21, -4.05, -38.37) |
| CIE-LCH | lch(52.21, 38.59, 263.98°) |
| OKLab | oklab(58.55% -0.0516 -0.1088) |
| OKLCH | oklch(58.55% 0.12 244.6) |
| XYZ | xyz(18.5399, 20.3338, 51.6529) |
| Luminance | 0.2034 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.05
Cerulean (survey)
#0485D1
ΔE00 2.27
Cool Blue
#4984B8
ΔE00 2.40
Water Blue
#0E87CC
ΔE00 2.51
Nice Blue
#107AB0
ΔE00 4.31
Off Blue
#5684AE
ΔE00 4.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3182BE #BE6D31
analogous
#31BEB4 #3182BE #313BBE
triadic
#3182BE #BE3182 #82BE31
tetradic
#3182BE #B431BE #BE6D31 #3BBE31
square
#3182BE #B431BE #BE6D31 #3BBE31
split-complementary
#3182BE #BE313B #BEB431
monochromatic
#183F5D #24618D #3182BE #589FD4 #89BBE1
Accessibility & contrast
On white
4.14
#3182BE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.07
#3182BE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3182BE
5.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3182BE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3182BE | 1.00 | 4.14 | 5.07 | 5.07 |
| #FFFFFF | 4.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6684C1
Deuteranopia (green-blind)
#5377BD
Tritanopia (blue-blind)
#009197
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #3182be; /* rgb */ color: rgb(49, 130, 190); /* oklch */ color: oklch(58.6% 0.120 244.6);
Tailwind
colors: {
custom: {
50: '#7ca6d2',
500: '#3182be',
950: '#000000',
},
}SCSS
$custom: #3182be; $custom-light: #7ca6d2; $custom-dark: #000000;
JSON
{
"hex": "#3182be",
"rgb": {
"r": 49,
"g": 130,
"b": 190
},
"hsl": {
"h": 205.532,
"s": 58.996,
"l": 46.863
},
"oklch": {
"l": 0.58553,
"c": 0.12038,
"h": 244.6
},
"luminance": 0.20336
}Semantic roles & 50–950 ramp
primary
#3182BE
secondary
#CAA080
accent
#8846E2
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82