#3182AB#3182AB
#3182AB is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.6% C 0.100 H 234.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #3182AB |
|---|---|
| RGB | rgb(49, 130, 171) |
| HSL | hsl(200, 55%, 43%) |
| HSV | hsv(200, 71%, 67%) |
| CMYK | cmyk(71.3%, 24%, 0%, 32.9%) |
| CIE-LAB | lab(51.33, -10.76, -28.83) |
| CIE-LCH | lch(51.33, 30.77, 249.54°) |
| OKLab | oklab(57.57% -0.0578 -0.0811) |
| OKLCH | oklch(57.57% 0.1 234.5) |
| XYZ | xyz(16.5970, 19.5566, 41.4203) |
| Luminance | 0.1956 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 3.42
Dirty Blue
#3F829D
ΔE00 4.10
Nice Blue
#107AB0
ΔE00 4.15
Steel Blue
#4682B4
ΔE00 4.67
Stormy Blue
#507B9C
ΔE00 5.09
Cool Blue
#4984B8
ΔE00 5.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3182AB #AB5A31
analogous
#31AB97 #3182AB #3145AB
triadic
#3182AB #AB3182 #82AB31
tetradic
#3182AB #9731AB #AB5A31 #45AB31
square
#3182AB #9731AB #AB5A31 #45AB31
split-complementary
#3182AB #AB3145 #AB9731
monochromatic
#163A4C #235E7B #3182AB #4DA1CC #7DBADA
Accessibility & contrast
On white
4.28
#3182AB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.91
#3182AB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3182AB
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3182AB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3182AB | 1.00 | 4.28 | 4.91 | 4.91 |
| #FFFFFF | 4.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E81AD
Deuteranopia (green-blind)
#5D75AA
Tritanopia (blue-blind)
#008D90
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #3182ab; /* rgb */ color: rgb(49, 130, 171); /* oklch */ color: oklch(57.6% 0.100 234.5);
Tailwind
colors: {
custom: {
50: '#79a6c4',
500: '#3182ab',
950: '#000000',
},
}SCSS
$custom: #3182ab; $custom-light: #79a6c4; $custom-dark: #000000;
JSON
{
"hex": "#3182ab",
"rgb": {
"r": 49,
"g": 130,
"b": 171
},
"hsl": {
"h": 200.164,
"s": 55.455,
"l": 43.137
},
"oklch": {
"l": 0.57565,
"c": 0.09957,
"h": 234.5
},
"luminance": 0.19559
}Semantic roles & 50–950 ramp
primary
#3182AB
secondary
#C28F75
accent
#7B49DF
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F12
muted
#7C7F81