#3984B5#3984B5
#3984B5 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.8% C 0.105 H 240.6°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #3984B5 |
|---|---|
| RGB | rgb(57, 132, 181) |
| HSL | hsl(204, 52%, 47%) |
| HSV | hsv(204, 69%, 71%) |
| CMYK | cmyk(68.5%, 27.1%, 0%, 29%) |
| CIE-LAB | lab(52.63, -7.21, -32.55) |
| CIE-LCH | lch(52.63, 33.34, 257.50°) |
| OKLab | oklab(58.81% -0.0517 -0.0917) |
| OKLCH | oklch(58.81% 0.105 240.6) |
| XYZ | xyz(18.2759, 20.7066, 46.7407) |
| Luminance | 0.2071 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.30
Cool Blue
#4984B8
ΔE00 2.78
Water Blue
#0E87CC
ΔE00 3.14
Cerulean (survey)
#0485D1
ΔE00 3.67
Off Blue
#5684AE
ΔE00 3.99
Nice Blue
#107AB0
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3984B5 #B56A39
analogous
#39B5A8 #3984B5 #3946B5
triadic
#3984B5 #B53984 #84B539
tetradic
#3984B5 #A839B5 #B56A39 #46B539
square
#3984B5 #A839B5 #B56A39 #46B539
split-complementary
#3984B5 #B53946 #B5A839
monochromatic
#1C4058 #2A6286 #3984B5 #5FA1CD #8DBCDB
Accessibility & contrast
On white
4.08
#3984B5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.14
#3984B5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3984B5
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3984B5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3984B5 | 1.00 | 4.08 | 5.14 | 5.14 |
| #FFFFFF | 4.08 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E84B7
Deuteranopia (green-blind)
#5D78B4
Tritanopia (blue-blind)
#009095
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #3984b5; /* rgb */ color: rgb(57, 132, 181); /* oklch */ color: oklch(58.8% 0.105 240.6);
Tailwind
colors: {
custom: {
50: '#7da7cb',
500: '#3984b5',
950: '#000000',
},
}SCSS
$custom: #3984b5; $custom-light: #7da7cb; $custom-dark: #000000;
JSON
{
"hex": "#3984b5",
"rgb": {
"r": 57,
"g": 132,
"b": 181
},
"hsl": {
"h": 203.71,
"s": 52.101,
"l": 46.667
},
"oklch": {
"l": 0.58809,
"c": 0.1053,
"h": 240.6
},
"luminance": 0.20709
}Semantic roles & 50–950 ramp
primary
#3984B5
secondary
#C69E84
accent
#854CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82