#3983B5#3983B5
#3983B5 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.6% C 0.106 H 241.4°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #3983B5 |
|---|---|
| RGB | rgb(57, 131, 181) |
| HSL | hsl(204, 52%, 47%) |
| HSV | hsv(204, 69%, 71%) |
| CMYK | cmyk(68.5%, 27.6%, 0%, 29%) |
| CIE-LAB | lab(52.33, -6.64, -33.02) |
| CIE-LCH | lch(52.33, 33.68, 258.64°) |
| OKLab | oklab(58.57% -0.0507 -0.0931) |
| OKLCH | oklch(58.57% 0.106 241.4) |
| XYZ | xyz(18.1409, 20.4367, 46.6957) |
| Luminance | 0.2044 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.99
Cool Blue
#4984B8
ΔE00 2.56
Water Blue
#0E87CC
ΔE00 3.15
Cerulean (survey)
#0485D1
ΔE00 3.51
Off Blue
#5684AE
ΔE00 3.87
Nice Blue
#107AB0
ΔE00 4.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3983B5 #B56B39
analogous
#39B5A9 #3983B5 #3945B5
triadic
#3983B5 #B53983 #83B539
tetradic
#3983B5 #A939B5 #B56B39 #45B539
square
#3983B5 #A939B5 #B56B39 #45B539
split-complementary
#3983B5 #B53945 #B5A939
monochromatic
#1C4058 #2A6186 #3983B5 #5FA0CD #8DBCDB
Accessibility & contrast
On white
4.13
#3983B5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.09
#3983B5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3983B5
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3983B5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3983B5 | 1.00 | 4.13 | 5.09 | 5.09 |
| #FFFFFF | 4.13 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.09 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.09 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C84B7
Deuteranopia (green-blind)
#5B77B4
Tritanopia (blue-blind)
#008F94
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #3983b5; /* rgb */ color: rgb(57, 131, 181); /* oklch */ color: oklch(58.6% 0.106 241.4);
Tailwind
colors: {
custom: {
50: '#7da6cb',
500: '#3983b5',
950: '#000000',
},
}SCSS
$custom: #3983b5; $custom-light: #7da6cb; $custom-dark: #000000;
JSON
{
"hex": "#3983b5",
"rgb": {
"r": 57,
"g": 131,
"b": 181
},
"hsl": {
"h": 204.194,
"s": 52.101,
"l": 46.667
},
"oklch": {
"l": 0.58572,
"c": 0.106,
"h": 241.4
},
"luminance": 0.20439
}Semantic roles & 50–950 ramp
primary
#3983B5
secondary
#C69F84
accent
#864CDC
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82