#3588B2#3588B2
#3588B2 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.5% C 0.102 H 234.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).
Color values
| HEX | #3588B2 |
|---|---|
| RGB | rgb(53, 136, 178) |
| HSL | hsl(200, 54%, 45%) |
| HSV | hsv(200, 70%, 70%) |
| CMYK | cmyk(70.2%, 23.6%, 0%, 30.2%) |
| CIE-LAB | lab(53.58, -11.15, -29.36) |
| CIE-LCH | lch(53.58, 31.41, 249.20°) |
| OKLab | oklab(59.48% -0.0592 -0.0825) |
| OKLCH | oklch(59.48% 0.102 234.3) |
| XYZ | xyz(18.3051, 21.5775, 45.3110) |
| Luminance | 0.2158 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.77
Steel Blue
#4682B4
ΔE00 4.90
Water Blue
#0E87CC
ΔE00 5.05
Cool Blue
#4984B8
ΔE00 5.24
Cerulean
#007BA7
ΔE00 5.46
Dusty Blue
#5A86AD
ΔE00 5.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3588B2 #B25F35
analogous
#35B29D #3588B2 #3549B2
triadic
#3588B2 #B23588 #88B235
tetradic
#3588B2 #9D35B2 #B25F35 #49B235
square
#3588B2 #9D35B2 #B25F35 #49B235
split-complementary
#3588B2 #B23549 #B29D35
monochromatic
#194054 #276483 #3588B2 #57A5CD #86BFDB
Accessibility & contrast
On white
3.95
#3588B2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.32
#3588B2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3588B2
5.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3588B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3588B2 | 1.00 | 3.95 | 5.32 | 5.32 |
| #FFFFFF | 3.95 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.32 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.32 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7487B4
Deuteranopia (green-blind)
#637BB1
Tritanopia (blue-blind)
#009396
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #3588b2; /* rgb */ color: rgb(53, 136, 178); /* oklch */ color: oklch(59.5% 0.102 234.3);
Tailwind
colors: {
custom: {
50: '#7caac9',
500: '#3588b2',
950: '#000000',
},
}SCSS
$custom: #3588b2; $custom-light: #7caac9; $custom-dark: #000000;
JSON
{
"hex": "#3588b2",
"rgb": {
"r": 53,
"g": 136,
"b": 178
},
"hsl": {
"h": 200.16,
"s": 54.113,
"l": 45.294
},
"oklch": {
"l": 0.59484,
"c": 0.10158,
"h": 234.3
},
"luminance": 0.2158
}Semantic roles & 50–950 ramp
primary
#3588B2
secondary
#C5967E
accent
#7C4ADD
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82