#3982CB#3982CB
#3982CB is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.5% C 0.133 H 251.1°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #3982CB |
|---|---|
| RGB | rgb(57, 130, 203) |
| HSL | hsl(210, 58%, 51%) |
| HSV | hsv(210, 72%, 80%) |
| CMYK | cmyk(71.9%, 36%, 0%, 20.4%) |
| CIE-LAB | lab(53.11, 1.71, -44.35) |
| CIE-LCH | lch(53.11, 44.39, 272.21°) |
| OKLab | oklab(59.54% -0.0432 -0.1261) |
| OKLCH | oklch(59.54% 0.133 251.1) |
| XYZ | xyz(20.4454, 21.1447, 59.4921) |
| Luminance | 0.2115 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.44
Steel Blue
#4682B4
ΔE00 2.83
Cerulean (survey)
#0485D1
ΔE00 3.34
Windows Blue
#3778BF
ΔE00 3.84
Off Blue
#5684AE
ΔE00 4.18
Water Blue
#0E87CC
ΔE00 4.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3982CB #CB8239
analogous
#39CBCB #3982CB #3939CB
triadic
#3982CB #CB3982 #82CB39
tetradic
#3982CB #CB39CB #CB8239 #39CB39
square
#3982CB #CB39CB #CB8239 #39CB39
split-complementary
#3982CB #CB3939 #CBCB39
monochromatic
#1D456D #29639D #3982CB #69A1D8 #9ABFE4
Accessibility & contrast
On white
4.02
#3982CB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.23
#3982CB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3982CB
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3982CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3982CB | 1.00 | 4.02 | 5.23 | 5.23 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6186CE
Deuteranopia (green-blind)
#4B79CA
Tritanopia (blue-blind)
#00939D
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #3982cb; /* rgb */ color: rgb(57, 130, 203); /* oklch */ color: oklch(59.5% 0.133 251.1);
Tailwind
colors: {
custom: {
50: '#81a5db',
500: '#3982cb',
950: '#000000',
},
}SCSS
$custom: #3982cb; $custom-light: #81a5db; $custom-dark: #000000;
JSON
{
"hex": "#3982cb",
"rgb": {
"r": 57,
"g": 130,
"b": 203
},
"hsl": {
"h": 210,
"s": 58.4,
"l": 50.98
},
"oklch": {
"l": 0.59539,
"c": 0.13334,
"h": 251.1
},
"luminance": 0.21147
}Semantic roles & 50–950 ramp
primary
#3982CB
secondary
#D0B090
accent
#9446E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83