#3A8DDB#3A8DDB
#3A8DDB is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.0% C 0.142 H 250.0°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).
Color values
| HEX | #3A8DDB |
|---|---|
| RGB | rgb(58, 141, 219) |
| HSL | hsl(209, 69%, 54%) |
| HSV | hsv(209, 74%, 86%) |
| CMYK | cmyk(73.5%, 35.6%, 0%, 14.1%) |
| CIE-LAB | lab(57.13, 1.02, -46.99) |
| CIE-LCH | lch(57.13, 47.00, 271.24°) |
| OKLab | oklab(62.97% -0.0486 -0.1337) |
| OKLCH | oklch(62.97% 0.142 250) |
| XYZ | xyz(24.0512, 25.0610, 70.5738) |
| Luminance | 0.2506 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 1.98
Dodgerblue
#1E90FF
ΔE00 3.28
Cerulean (survey)
#0485D1
ΔE00 4.10
Water Blue
#0E87CC
ΔE00 4.41
Cool Blue
#4984B8
ΔE00 4.64
Azure (survey)
#069AF3
ΔE00 5.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A8DDB #DB883A
analogous
#3ADBD8 #3A8DDB #3A3DDB
triadic
#3A8DDB #DB3A8D #8DDB3A
tetradic
#3A8DDB #D83ADB #DB883A #3DDB3A
square
#3A8DDB #D83ADB #DB883A #3DDB3A
split-complementary
#3A8DDB #DB3A3D #DBD83A
monochromatic
#184F83 #216EB6 #3A8DDB #6EABE4 #A1C9EE
Accessibility & contrast
On white
3.49
#3A8DDB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.01
#3A8DDB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A8DDB
6.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A8DDB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A8DDB | 1.00 | 3.49 | 6.01 | 6.01 |
| #FFFFFF | 3.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6991DE
Deuteranopia (green-blind)
#5182D9
Tritanopia (blue-blind)
#00A0AA
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #3a8ddb; /* rgb */ color: rgb(58, 141, 219); /* oklch */ color: oklch(63.0% 0.142 250.0);
Tailwind
colors: {
custom: {
50: '#84ade6',
500: '#3a8ddb',
950: '#000000',
},
}SCSS
$custom: #3a8ddb; $custom-light: #84ade6; $custom-dark: #000000;
JSON
{
"hex": "#3a8ddb",
"rgb": {
"r": 58,
"g": 141,
"b": 219
},
"hsl": {
"h": 209.068,
"s": 69.099,
"l": 54.314
},
"oklch": {
"l": 0.62974,
"c": 0.14225,
"h": 250
},
"luminance": 0.25064
}Semantic roles & 50–950 ramp
primary
#3A8DDB
secondary
#DBB796
accent
#913CEC
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84