#3A77CA#3A77CA
#3A77CA is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.143 H 256.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).
Color values
| HEX | #3A77CA |
|---|---|
| RGB | rgb(58, 119, 202) |
| HSL | hsl(215, 58%, 51%) |
| HSV | hsv(215, 71%, 79%) |
| CMYK | cmyk(71.3%, 41.1%, 0%, 20.8%) |
| CIE-LAB | lab(49.92, 8.19, -48.84) |
| CIE-LCH | lch(49.92, 49.52, 279.52°) |
| OKLab | oklab(57.05% -0.0325 -0.1394) |
| OKLCH | oklch(57.05% 0.143 256.9) |
| XYZ | xyz(18.9985, 18.3554, 58.4073) |
| Luminance | 0.1836 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.83
Bluish
#2976BB
ΔE00 3.46
Medium Blue
#2C6FBB
ΔE00 3.68
Flat Blue
#3C73A8
ΔE00 4.25
Deep Sky Blue
#0D75F8
ΔE00 4.50
Cerulean Blue
#056EEE
ΔE00 4.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A77CA #CA8D3A
analogous
#3ABFCA #3A77CA #453ACA
triadic
#3A77CA #CA3A77 #77CA3A
tetradic
#3A77CA #CA3ABF #CA8D3A #3ACA45
square
#3A77CA #CA3ABF #CA8D3A #3ACA45
split-complementary
#3A77CA #CA453A #BFCA3A
monochromatic
#1D3F6C #2A5B9D #3A77CA #6A98D7 #9ABAE4
Accessibility & contrast
On white
4.50
#3A77CA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.67
#3A77CA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A77CA
4.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A77CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A77CA | 1.00 | 4.50 | 4.67 | 4.67 |
| #FFFFFF | 4.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#507ECD
Deuteranopia (green-blind)
#3871C8
Tritanopia (blue-blind)
#008A97
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #3a77ca; /* rgb */ color: rgb(58, 119, 202); /* oklch */ color: oklch(57.0% 0.143 256.9);
Tailwind
colors: {
custom: {
50: '#819dda',
500: '#3a77ca',
950: '#000000',
},
}SCSS
$custom: #3a77ca; $custom-light: #819dda; $custom-dark: #000000;
JSON
{
"hex": "#3a77ca",
"rgb": {
"r": 58,
"g": 119,
"b": 202
},
"hsl": {
"h": 214.583,
"s": 57.6,
"l": 50.98
},
"oklch": {
"l": 0.57048,
"c": 0.1432,
"h": 256.9
},
"luminance": 0.18357
}Semantic roles & 50–950 ramp
primary
#3A77CA
secondary
#D0B590
accent
#A047E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83