#3983AB#3983AB
#3983AB is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.1% C 0.095 H 235.4°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #3983AB |
|---|---|
| RGB | rgb(57, 131, 171) |
| HSL | hsl(201, 50%, 45%) |
| HSV | hsv(201, 67%, 67%) |
| CMYK | cmyk(66.7%, 23.4%, 0%, 32.9%) |
| CIE-LAB | lab(51.88, -10.05, -27.95) |
| CIE-LCH | lch(51.88, 29.70, 250.22°) |
| OKLab | oklab(58.07% -0.0541 -0.0785) |
| OKLCH | oklch(58.07% 0.095 235.4) |
| XYZ | xyz(17.1515, 20.0409, 41.4846) |
| Luminance | 0.2004 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.10
Steel Blue
#4682B4
ΔE00 4.16
Cerulean
#007BA7
ΔE00 4.16
Nice Blue
#107AB0
ΔE00 4.56
Stormy Blue
#507B9C
ΔE00 4.75
Cool Blue
#4984B8
ΔE00 4.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3983AB #AB6139
analogous
#39AB9A #3983AB #394AAB
triadic
#3983AB #AB3983 #83AB39
tetradic
#3983AB #9A39AB #AB6139 #4AAB39
square
#3983AB #9A39AB #AB6139 #4AAB39
split-complementary
#3983AB #AB394A #AB9A39
monochromatic
#1A3D4F #2A607D #3983AB #59A1C8 #87BBD7
Accessibility & contrast
On white
4.19
#3983AB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.01
#3983AB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3983AB
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3983AB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3983AB | 1.00 | 4.19 | 5.01 | 5.01 |
| #FFFFFF | 4.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7082AD
Deuteranopia (green-blind)
#6077AA
Tritanopia (blue-blind)
#008D90
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #3983ab; /* rgb */ color: rgb(57, 131, 171); /* oklch */ color: oklch(58.1% 0.095 235.4);
Tailwind
colors: {
custom: {
50: '#7ca7c4',
500: '#3983ab',
950: '#000000',
},
}SCSS
$custom: #3983ab; $custom-light: #7ca7c4; $custom-dark: #000000;
JSON
{
"hex": "#3983ab",
"rgb": {
"r": 57,
"g": 131,
"b": 171
},
"hsl": {
"h": 201.053,
"s": 50,
"l": 44.706
},
"oklch": {
"l": 0.58074,
"c": 0.09529,
"h": 235.4
},
"luminance": 0.20043
}Semantic roles & 50–950 ramp
primary
#3983AB
secondary
#C1967F
accent
#7F4EDA
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F12
muted
#7C7F81