#3A8BC9#3A8BC9
#3A8BC9 is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.122 H 245.0°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).
Color values
| HEX | #3A8BC9 |
|---|---|
| RGB | rgb(58, 139, 201) |
| HSL | hsl(206, 57%, 51%) |
| HSV | hsv(206, 71%, 79%) |
| CMYK | cmyk(71.1%, 30.8%, 0%, 21.2%) |
| CIE-LAB | lab(55.66, -4.17, -39.18) |
| CIE-LCH | lch(55.66, 39.40, 263.93°) |
| OKLab | oklab(61.53% -0.0518 -0.1109) |
| OKLCH | oklch(61.53% 0.122 245) |
| XYZ | xyz(21.5161, 23.5794, 58.6643) |
| Luminance | 0.2358 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 2.44
Cerulean (survey)
#0485D1
ΔE00 2.77
Cool Blue
#4984B8
ΔE00 3.29
Steel Blue
#4682B4
ΔE00 3.86
Dark Sky Blue
#448EE4
ΔE00 4.34
Off Blue
#5684AE
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A8BC9 #C9783A
analogous
#3AC9BF #3A8BC9 #3A43C9
triadic
#3A8BC9 #C93A8B #8BC93A
tetradic
#3A8BC9 #BF3AC9 #C9783A #43C93A
square
#3A8BC9 #BF3AC9 #C9783A #43C93A
split-complementary
#3A8BC9 #C93A43 #C9BF3A
monochromatic
#1D496B #2B6A9B #3A8BC9 #6AA7D6 #9AC4E3
Accessibility & contrast
On white
3.67
#3A8BC9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.72
#3A8BC9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A8BC9
5.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A8BC9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A8BC9 | 1.00 | 3.67 | 5.72 | 5.72 |
| #FFFFFF | 3.67 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.72 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.72 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F8DCC
Deuteranopia (green-blind)
#5B7FC8
Tritanopia (blue-blind)
#009AA1
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #3a8bc9; /* rgb */ color: rgb(58, 139, 201); /* oklch */ color: oklch(61.5% 0.122 245.0);
Tailwind
colors: {
custom: {
50: '#81acd9',
500: '#3a8bc9',
950: '#000000',
},
}SCSS
$custom: #3a8bc9; $custom-light: #81acd9; $custom-dark: #000000;
JSON
{
"hex": "#3a8bc9",
"rgb": {
"r": 58,
"g": 139,
"b": 201
},
"hsl": {
"h": 206.014,
"s": 56.972,
"l": 50.784
},
"oklch": {
"l": 0.61525,
"c": 0.12242,
"h": 245
},
"luminance": 0.23582
}Semantic roles & 50–950 ramp
primary
#3A8BC9
secondary
#CFAB90
accent
#8A48E0
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83