#3182B2#3182B2
#3182B2 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.9% C 0.107 H 238.8°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #3182B2 |
|---|---|
| RGB | rgb(49, 130, 178) |
| HSL | hsl(202, 57%, 45%) |
| HSV | hsv(202, 72%, 70%) |
| CMYK | cmyk(72.5%, 27%, 0%, 30.2%) |
| CIE-LAB | lab(51.65, -8.31, -32.38) |
| CIE-LCH | lch(51.65, 33.43, 255.60°) |
| OKLab | oklab(57.92% -0.0554 -0.0913) |
| OKLCH | oklch(57.92% 0.107 238.8) |
| XYZ | xyz(17.2820, 19.8306, 45.0277) |
| Luminance | 0.1983 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 3.13
Nice Blue
#107AB0
ΔE00 3.40
Water Blue
#0E87CC
ΔE00 3.77
Cool Blue
#4984B8
ΔE00 3.82
Cerulean
#007BA7
ΔE00 4.31
Cerulean (survey)
#0485D1
ΔE00 4.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3182B2 #B26131
analogous
#31B2A2 #3182B2 #3141B2
triadic
#3182B2 #B23182 #82B231
tetradic
#3182B2 #A231B2 #B26131 #41B231
square
#3182B2 #A231B2 #B26131 #41B231
split-complementary
#3182B2 #B23141 #B2A231
monochromatic
#173C52 #245F82 #3182B2 #51A0CF #81BADC
Accessibility & contrast
On white
4.23
#3182B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.97
#3182B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3182B2
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3182B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3182B2 | 1.00 | 4.23 | 4.97 | 4.97 |
| #FFFFFF | 4.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.97 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.97 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B82B4
Deuteranopia (green-blind)
#5A76B1
Tritanopia (blue-blind)
#008E93
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #3182b2; /* rgb */ color: rgb(49, 130, 178); /* oklch */ color: oklch(57.9% 0.107 238.8);
Tailwind
colors: {
custom: {
50: '#7aa6c9',
500: '#3182b2',
950: '#000000',
},
}SCSS
$custom: #3182b2; $custom-light: #7aa6c9; $custom-dark: #000000;
JSON
{
"hex": "#3182b2",
"rgb": {
"r": 49,
"g": 130,
"b": 178
},
"hsl": {
"h": 202.326,
"s": 56.828,
"l": 44.51
},
"oklch": {
"l": 0.57917,
"c": 0.10682,
"h": 238.8
},
"luminance": 0.19833
}Semantic roles & 50–950 ramp
primary
#3182B2
secondary
#C59679
accent
#8048E0
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F13
muted
#7C7F82