#3984B9#3984B9
#3984B9 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.0% C 0.110 H 242.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).
Color values
| HEX | #3984B9 |
|---|---|
| RGB | rgb(57, 132, 185) |
| HSL | hsl(205, 53%, 47%) |
| HSV | hsv(205, 69%, 73%) |
| CMYK | cmyk(69.2%, 28.6%, 0%, 27.5%) |
| CIE-LAB | lab(52.81, -5.83, -34.56) |
| CIE-LCH | lch(52.81, 35.04, 260.42°) |
| OKLab | oklab(59.01% -0.0504 -0.0975) |
| OKLCH | oklch(59.01% 0.11 242.7) |
| XYZ | xyz(18.6922, 20.8732, 48.9333) |
| Luminance | 0.2087 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.84
Cool Blue
#4984B8
ΔE00 2.17
Water Blue
#0E87CC
ΔE00 2.63
Cerulean (survey)
#0485D1
ΔE00 2.93
Off Blue
#5684AE
ΔE00 3.79
Dusty Blue
#5A86AD
ΔE00 4.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3984B9 #B96E39
analogous
#39B9AE #3984B9 #3944B9
triadic
#3984B9 #B93984 #84B939
tetradic
#3984B9 #AE39B9 #B96E39 #44B939
square
#3984B9 #AE39B9 #B96E39 #44B939
split-complementary
#3984B9 #B93944 #B9AE39
monochromatic
#1C415B #2B638A #3984B9 #61A1CE #90BDDD
Accessibility & contrast
On white
4.06
#3984B9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.17
#3984B9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3984B9
5.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3984B9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3984B9 | 1.00 | 4.06 | 5.17 | 5.17 |
| #FFFFFF | 4.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C85BB
Deuteranopia (green-blind)
#5A79B8
Tritanopia (blue-blind)
#009196
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3984b9; /* rgb */ color: rgb(57, 132, 185); /* oklch */ color: oklch(59.0% 0.110 242.7);
Tailwind
colors: {
custom: {
50: '#7ea7ce',
500: '#3984b9',
950: '#000000',
},
}SCSS
$custom: #3984b9; $custom-light: #7ea7ce; $custom-dark: #000000;
JSON
{
"hex": "#3984b9",
"rgb": {
"r": 57,
"g": 132,
"b": 185
},
"hsl": {
"h": 204.844,
"s": 52.893,
"l": 47.451
},
"oklch": {
"l": 0.59015,
"c": 0.1098,
"h": 242.7
},
"luminance": 0.20875
}Semantic roles & 50–950 ramp
primary
#3984B9
secondary
#C8A186
accent
#874BDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F13
muted
#7C7F82