#3A83CB#3A83CB
#3A83CB is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.8% C 0.132 H 250.7°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).
Color values
| HEX | #3A83CB |
|---|---|
| RGB | rgb(58, 131, 203) |
| HSL | hsl(210, 58%, 51%) |
| HSV | hsv(210, 71%, 80%) |
| CMYK | cmyk(71.4%, 35.5%, 0%, 20.4%) |
| CIE-LAB | lab(53.43, 1.25, -43.84) |
| CIE-LCH | lch(53.43, 43.86, 271.64°) |
| OKLab | oklab(59.8% -0.0435 -0.1246) |
| OKLCH | oklch(59.8% 0.132 250.7) |
| XYZ | xyz(20.6367, 21.4417, 59.5394) |
| Luminance | 0.2144 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cool Blue
#4984B8
ΔE00 2.33
Steel Blue
#4682B4
ΔE00 2.81
Cerulean (survey)
#0485D1
ΔE00 3.18
Water Blue
#0E87CC
ΔE00 4.03
Off Blue
#5684AE
ΔE00 4.12
Windows Blue
#3778BF
ΔE00 4.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A83CB #CB823A
analogous
#3ACBCA #3A83CB #3A3ACB
triadic
#3A83CB #CB3A83 #83CB3A
tetradic
#3A83CB #CA3ACB #CB823A #3ACB3A
square
#3A83CB #CA3ACB #CB823A #3ACB3A
split-complementary
#3A83CB #CB3A3A #CBCA3A
monochromatic
#1D466E #2A649E #3A83CB #6AA1D8 #9BC0E5
Accessibility & contrast
On white
3.97
#3A83CB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.29
#3A83CB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A83CB
5.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A83CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A83CB | 1.00 | 3.97 | 5.29 | 5.29 |
| #FFFFFF | 3.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.29 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.29 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6287CE
Deuteranopia (green-blind)
#4D79CA
Tritanopia (blue-blind)
#00949D
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #3a83cb; /* rgb */ color: rgb(58, 131, 203); /* oklch */ color: oklch(59.8% 0.132 250.7);
Tailwind
colors: {
custom: {
50: '#81a6db',
500: '#3a83cb',
950: '#000000',
},
}SCSS
$custom: #3a83cb; $custom-light: #81a6db; $custom-dark: #000000;
JSON
{
"hex": "#3a83cb",
"rgb": {
"r": 58,
"g": 131,
"b": 203
},
"hsl": {
"h": 209.793,
"s": 58.233,
"l": 51.176
},
"oklch": {
"l": 0.598,
"c": 0.132,
"h": 250.7
},
"luminance": 0.21444
}Semantic roles & 50–950 ramp
primary
#3A83CB
secondary
#D0B090
accent
#9346E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83