#3981AF#3981AF
#3981AF is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.8% C 0.101 H 239.8°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3981AF |
|---|---|
| RGB | rgb(57, 129, 175) |
| HSL | hsl(203, 51%, 45%) |
| HSV | hsv(203, 67%, 69%) |
| CMYK | cmyk(67.4%, 26.3%, 0%, 31.4%) |
| CIE-LAB | lab(51.45, -7.54, -30.93) |
| CIE-LCH | lch(51.45, 31.83, 256.29°) |
| OKLab | oklab(57.79% -0.0506 -0.0871) |
| OKLCH | oklch(57.79% 0.101 239.8) |
| XYZ | xyz(17.2725, 19.6637, 43.4343) |
| Luminance | 0.1967 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.55
Cool Blue
#4984B8
ΔE00 3.34
Nice Blue
#107AB0
ΔE00 3.47
Water Blue
#0E87CC
ΔE00 4.15
Off Blue
#5684AE
ΔE00 4.21
Stormy Blue
#507B9C
ΔE00 4.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3981AF #AF6739
analogous
#39AFA2 #3981AF #3946AF
triadic
#3981AF #AF3981 #81AF39
tetradic
#3981AF #A239AF #AF6739 #46AF39
square
#3981AF #A239AF #AF6739 #46AF39
split-complementary
#3981AF #AF3946 #AFA239
monochromatic
#1B3D53 #2A5F81 #3981AF #5B9FCA #8ABAD9
Accessibility & contrast
On white
4.26
#3981AF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.93
#3981AF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3981AF
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3981AF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3981AF | 1.00 | 4.26 | 4.93 | 4.93 |
| #FFFFFF | 4.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C81B1
Deuteranopia (green-blind)
#5C75AE
Tritanopia (blue-blind)
#008D91
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #3981af; /* rgb */ color: rgb(57, 129, 175); /* oklch */ color: oklch(57.8% 0.101 239.8);
Tailwind
colors: {
custom: {
50: '#7ca5c7',
500: '#3981af',
950: '#000000',
},
}SCSS
$custom: #3981af; $custom-light: #7ca5c7; $custom-dark: #000000;
JSON
{
"hex": "#3981af",
"rgb": {
"r": 57,
"g": 129,
"b": 175
},
"hsl": {
"h": 203.39,
"s": 50.862,
"l": 45.49
},
"oklch": {
"l": 0.57791,
"c": 0.10069,
"h": 239.8
},
"luminance": 0.19666
}Semantic roles & 50–950 ramp
primary
#3981AF
secondary
#C39B81
accent
#844DDA
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82