#3A77BC#3A77BC
#3A77BC is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.2% C 0.125 H 253.3°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #3A77BC |
|---|---|
| RGB | rgb(58, 119, 188) |
| HSL | hsl(212, 53%, 48%) |
| HSV | hsv(212, 69%, 74%) |
| CMYK | cmyk(69.1%, 36.7%, 0%, 26.3%) |
| CIE-LAB | lab(49.16, 3.14, -42.03) |
| CIE-LCH | lch(49.16, 42.15, 274.27°) |
| OKLab | oklab(56.2% -0.0358 -0.1195) |
| OKLCH | oklch(56.2% 0.125 253.3) |
| XYZ | xyz(17.4155, 17.7222, 50.0701) |
| Luminance | 0.1772 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.57
Bluish
#2976BB
ΔE00 1.94
Flat Blue
#3C73A8
ΔE00 2.74
Medium Blue
#2C6FBB
ΔE00 2.94
Muted Blue
#3B719F
ΔE00 4.25
Dull Blue
#49759C
ΔE00 4.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A77BC #BC7F3A
analogous
#3AB8BC #3A77BC #3E3ABC
triadic
#3A77BC #BC3A77 #77BC3A
tetradic
#3A77BC #BC3AB8 #BC7F3A #3ABC3E
square
#3A77BC #BC3AB8 #BC7F3A #3ABC3E
split-complementary
#3A77BC #BC3E3A #B8BC3A
monochromatic
#1D3C5E #2C598D #3A77BC #6496CF #93B6DE
Accessibility & contrast
On white
4.62
#3A77BC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.54
#3A77BC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #3A77BC
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A77BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A77BC | 1.00 | 4.62 | 4.54 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#587BBF
Deuteranopia (green-blind)
#456FBB
Tritanopia (blue-blind)
#008790
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #3a77bc; /* rgb */ color: rgb(58, 119, 188); /* oklch */ color: oklch(56.2% 0.125 253.3);
Tailwind
colors: {
custom: {
50: '#7f9dd0',
500: '#3a77bc',
950: '#000000',
},
}SCSS
$custom: #3a77bc; $custom-light: #7f9dd0; $custom-dark: #000000;
JSON
{
"hex": "#3a77bc",
"rgb": {
"r": 58,
"g": 119,
"b": 188
},
"hsl": {
"h": 211.846,
"s": 52.846,
"l": 48.235
},
"oklch": {
"l": 0.56201,
"c": 0.12475,
"h": 253.3
},
"luminance": 0.17724
}Semantic roles & 50–950 ramp
primary
#3A77BC
secondary
#C9AB89
accent
#984CDC
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82