#3A8ACB#3A8ACB
#3A8ACB is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.4% C 0.126 H 246.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).
Color values
| HEX | #3A8ACB |
|---|---|
| RGB | rgb(58, 138, 203) |
| HSL | hsl(207, 58%, 51%) |
| HSV | hsv(207, 71%, 80%) |
| CMYK | cmyk(71.4%, 32%, 0%, 20.4%) |
| CIE-LAB | lab(55.47, -2.89, -40.62) |
| CIE-LCH | lch(55.47, 40.73, 265.94°) |
| OKLab | oklab(61.4% -0.0502 -0.1151) |
| OKLCH | oklch(61.4% 0.126 246.4) |
| XYZ | xyz(21.6088, 23.3859, 59.8634) |
| Luminance | 0.2339 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean (survey)
#0485D1
ΔE00 2.58
Water Blue
#0E87CC
ΔE00 2.59
Cool Blue
#4984B8
ΔE00 3.06
Steel Blue
#4682B4
ΔE00 3.70
Dark Sky Blue
#448EE4
ΔE00 3.94
Off Blue
#5684AE
ΔE00 4.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A8ACB #CB7B3A
analogous
#3ACBC4 #3A8ACB #3A41CB
triadic
#3A8ACB #CB3A8A #8ACB3A
tetradic
#3A8ACB #C43ACB #CB7B3A #41CB3A
square
#3A8ACB #C43ACB #CB7B3A #41CB3A
split-complementary
#3A8ACB #CB3A41 #CBC43A
monochromatic
#1D496E #2A6A9E #3A8ACB #6AA7D8 #9BC4E5
Accessibility & contrast
On white
3.70
#3A8ACB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.68
#3A8ACB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A8ACB
5.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A8ACB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A8ACB | 1.00 | 3.70 | 5.68 | 5.68 |
| #FFFFFF | 3.70 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D8CCE
Deuteranopia (green-blind)
#587FCA
Tritanopia (blue-blind)
#009AA1
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #3a8acb; /* rgb */ color: rgb(58, 138, 203); /* oklch */ color: oklch(61.4% 0.126 246.4);
Tailwind
colors: {
custom: {
50: '#82abdb',
500: '#3a8acb',
950: '#000000',
},
}SCSS
$custom: #3a8acb; $custom-light: #82abdb; $custom-dark: #000000;
JSON
{
"hex": "#3a8acb",
"rgb": {
"r": 58,
"g": 138,
"b": 203
},
"hsl": {
"h": 206.897,
"s": 58.233,
"l": 51.176
},
"oklch": {
"l": 0.61402,
"c": 0.12561,
"h": 246.4
},
"luminance": 0.23388
}Semantic roles & 50–950 ramp
primary
#3A8ACB
secondary
#D0AD90
accent
#8C46E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83