#3987C2#3987C2
#3987C2 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.2% C 0.118 H 244.6°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).
Color values
| HEX | #3987C2 |
|---|---|
| RGB | rgb(57, 135, 194) |
| HSL | hsl(206, 55%, 49%) |
| HSV | hsv(206, 71%, 76%) |
| CMYK | cmyk(70.6%, 30.4%, 0%, 23.9%) |
| CIE-LAB | lab(54.12, -4.44, -37.64) |
| CIE-LCH | lch(54.12, 37.90, 263.28°) |
| OKLab | oklab(60.19% -0.0506 -0.1065) |
| OKLCH | oklch(60.19% 0.118 244.6) |
| XYZ | xyz(20.0852, 22.0906, 54.2339) |
| Luminance | 0.2209 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.03
Cerulean (survey)
#0485D1
ΔE00 2.22
Cool Blue
#4984B8
ΔE00 2.23
Steel Blue
#4682B4
ΔE00 2.54
Off Blue
#5684AE
ΔE00 4.09
Dusty Blue
#5A86AD
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3987C2 #C27439
analogous
#39C2B9 #3987C2 #3943C2
triadic
#3987C2 #C23987 #87C239
tetradic
#3987C2 #B939C2 #C27439 #43C239
square
#3987C2 #B939C2 #C27439 #43C239
split-complementary
#3987C2 #C23943 #C2B939
monochromatic
#1D4563 #2B6693 #3987C2 #66A4D2 #95C0E0
Accessibility & contrast
On white
3.88
#3987C2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.42
#3987C2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3987C2
5.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3987C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3987C2 | 1.00 | 3.88 | 5.42 | 5.42 |
| #FFFFFF | 3.88 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.42 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.42 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C89C5
Deuteranopia (green-blind)
#597CC1
Tritanopia (blue-blind)
#00959C
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #3987c2; /* rgb */ color: rgb(57, 135, 194); /* oklch */ color: oklch(60.2% 0.118 244.6);
Tailwind
colors: {
custom: {
50: '#80a9d4',
500: '#3987c2',
950: '#000000',
},
}SCSS
$custom: #3987c2; $custom-light: #80a9d4; $custom-dark: #000000;
JSON
{
"hex": "#3987c2",
"rgb": {
"r": 57,
"g": 135,
"b": 194
},
"hsl": {
"h": 205.839,
"s": 54.582,
"l": 49.216
},
"oklch": {
"l": 0.60191,
"c": 0.11788,
"h": 244.6
},
"luminance": 0.22093
}Semantic roles & 50–950 ramp
primary
#3987C2
secondary
#CBA78B
accent
#8A4ADE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B0F14
muted
#7C7F83