#3991C2#3991C2
#3991C2 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.111 H 236.9°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #3991C2 |
|---|---|
| RGB | rgb(57, 145, 194) |
| HSL | hsl(201, 55%, 49%) |
| HSV | hsv(201, 71%, 76%) |
| CMYK | cmyk(70.6%, 25.3%, 0%, 23.9%) |
| CIE-LAB | lab(57.09, -10.17, -33.00) |
| CIE-LCH | lch(57.09, 34.53, 252.88°) |
| OKLab | oklab(62.54% -0.0605 -0.0929) |
| OKLCH | oklch(62.54% 0.111 236.9) |
| XYZ | xyz(21.5465, 25.0133, 54.7210) |
| Luminance | 0.2502 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 4.81
Cool Blue
#4984B8
ΔE00 5.89
Cerulean (survey)
#0485D1
ΔE00 5.91
Steel Blue
#4682B4
ΔE00 6.16
Dusty Blue
#5A86AD
ΔE00 6.31
Azure (survey)
#069AF3
ΔE00 6.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3991C2 #C26A39
analogous
#39C2AF #3991C2 #394CC2
triadic
#3991C2 #C23991 #91C239
tetradic
#3991C2 #AF39C2 #C26A39 #4CC239
square
#3991C2 #AF39C2 #C26A39 #4CC239
split-complementary
#3991C2 #C2394C #C2AF39
monochromatic
#1D4A63 #2B6E93 #3991C2 #66ABD2 #95C5E0
Accessibility & contrast
On white
3.50
#3991C2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.00
#3991C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3991C2
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3991C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3991C2 | 1.00 | 3.50 | 6.00 | 6.00 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A90C4
Deuteranopia (green-blind)
#6783C1
Tritanopia (blue-blind)
#009EA2
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #3991c2; /* rgb */ color: rgb(57, 145, 194); /* oklch */ color: oklch(62.5% 0.111 236.9);
Tailwind
colors: {
custom: {
50: '#80b1d4',
500: '#3991c2',
950: '#000000',
},
}SCSS
$custom: #3991c2; $custom-light: #80b1d4; $custom-dark: #000000;
JSON
{
"hex": "#3991c2",
"rgb": {
"r": 57,
"g": 145,
"b": 194
},
"hsl": {
"h": 201.46,
"s": 54.582,
"l": 49.216
},
"oklch": {
"l": 0.62539,
"c": 0.11089,
"h": 236.9
},
"luminance": 0.25016
}Semantic roles & 50–950 ramp
primary
#3991C2
secondary
#CBA28B
accent
#7F4ADE
background
#F8FAFD
surface
#F0F5FA
border
#CBCFD3
text
#0B1014
muted
#7C7F83