#3A88CB#3A88CB
#3A88CB is a mid, vivid cyan. Relative luminance 0.228; OKLCH L 60.9% C 0.127 H 247.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).
Color values
| HEX | #3A88CB |
|---|---|
| RGB | rgb(58, 136, 203) |
| HSL | hsl(208, 58%, 51%) |
| HSV | hsv(208, 71%, 80%) |
| CMYK | cmyk(71.4%, 33%, 0%, 20.4%) |
| CIE-LAB | lab(54.88, -1.71, -41.54) |
| CIE-LCH | lch(54.88, 41.58, 267.64°) |
| OKLab | oklab(60.94% -0.0483 -0.1178) |
| OKLCH | oklch(60.94% 0.127 247.7) |
| XYZ | xyz(21.3245, 22.8173, 59.7687) |
| Luminance | 0.2282 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 2.42
Cool Blue
#4984B8
ΔE00 2.61
Water Blue
#0E87CC
ΔE00 2.78
Steel Blue
#4682B4
ΔE00 3.27
Dark Sky Blue
#448EE4
ΔE00 3.93
Off Blue
#5684AE
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A88CB #CB7D3A
analogous
#3ACBC5 #3A88CB #3A3FCB
triadic
#3A88CB #CB3A88 #88CB3A
tetradic
#3A88CB #C53ACB #CB7D3A #3FCB3A
square
#3A88CB #C53ACB #CB7D3A #3FCB3A
split-complementary
#3A88CB #CB3A3F #CBC53A
monochromatic
#1D486E #2A689E #3A88CB #6AA5D8 #9BC2E5
Accessibility & contrast
On white
3.77
#3A88CB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.56
#3A88CB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A88CB
5.56:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A88CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A88CB | 1.00 | 3.77 | 5.56 | 5.56 |
| #FFFFFF | 3.77 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.56 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.56 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A8BCE
Deuteranopia (green-blind)
#557DCA
Tritanopia (blue-blind)
#0098A0
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #3a88cb; /* rgb */ color: rgb(58, 136, 203); /* oklch */ color: oklch(60.9% 0.127 247.7);
Tailwind
colors: {
custom: {
50: '#82aadb',
500: '#3a88cb',
950: '#000000',
},
}SCSS
$custom: #3a88cb; $custom-light: #82aadb; $custom-dark: #000000;
JSON
{
"hex": "#3a88cb",
"rgb": {
"r": 58,
"g": 136,
"b": 203
},
"hsl": {
"h": 207.724,
"s": 58.233,
"l": 51.176
},
"oklch": {
"l": 0.60942,
"c": 0.12735,
"h": 247.7
},
"luminance": 0.2282
}Semantic roles & 50–950 ramp
primary
#3A88CB
secondary
#D0AE90
accent
#8E46E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83