#3182B1#3182B1
#3182B1 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.9% C 0.106 H 238.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).
Color values
| HEX | #3182B1 |
|---|---|
| RGB | rgb(49, 130, 177) |
| HSL | hsl(202, 57%, 44%) |
| HSV | hsv(202, 72%, 69%) |
| CMYK | cmyk(72.3%, 26.6%, 0%, 30.6%) |
| CIE-LAB | lab(51.60, -8.66, -31.87) |
| CIE-LCH | lch(51.60, 33.03, 254.79°) |
| OKLab | oklab(57.87% -0.0557 -0.0899) |
| OKLCH | oklch(57.87% 0.106 238.2) |
| XYZ | xyz(17.1820, 19.7906, 44.5009) |
| Luminance | 0.1979 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 3.31
Nice Blue
#107AB0
ΔE00 3.43
Water Blue
#0E87CC
ΔE00 3.99
Cool Blue
#4984B8
ΔE00 4.01
Cerulean
#007BA7
ΔE00 4.14
Cerulean (survey)
#0485D1
ΔE00 4.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3182B1 #B16031
analogous
#31B1A0 #3182B1 #3142B1
triadic
#3182B1 #B13182 #82B131
tetradic
#3182B1 #A031B1 #B16031 #42B131
square
#3182B1 #A031B1 #B16031 #42B131
split-complementary
#3182B1 #B13142 #B1A031
monochromatic
#163C51 #245F81 #3182B1 #51A0CF #80BADC
Accessibility & contrast
On white
4.24
#3182B1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.96
#3182B1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3182B1
4.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3182B1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3182B1 | 1.00 | 4.24 | 4.96 | 4.96 |
| #FFFFFF | 4.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C82B3
Deuteranopia (green-blind)
#5A76B0
Tritanopia (blue-blind)
#008E92
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #3182b1; /* rgb */ color: rgb(49, 130, 177); /* oklch */ color: oklch(57.9% 0.106 238.2);
Tailwind
colors: {
custom: {
50: '#7aa6c8',
500: '#3182b1',
950: '#000000',
},
}SCSS
$custom: #3182b1; $custom-light: #7aa6c8; $custom-dark: #000000;
JSON
{
"hex": "#3182b1",
"rgb": {
"r": 49,
"g": 130,
"b": 177
},
"hsl": {
"h": 202.031,
"s": 56.637,
"l": 44.314
},
"oklch": {
"l": 0.57866,
"c": 0.10575,
"h": 238.2
},
"luminance": 0.19793
}Semantic roles & 50–950 ramp
primary
#3182B1
secondary
#C59579
accent
#8048E0
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F13
muted
#7C7F82