#3A78BD#3A78BD
#3A78BD is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.125 H 253.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #3A78BD |
|---|---|
| RGB | rgb(58, 120, 189) |
| HSL | hsl(212, 53%, 48%) |
| HSV | hsv(212, 69%, 74%) |
| CMYK | cmyk(69.3%, 36.5%, 0%, 25.9%) |
| CIE-LAB | lab(49.50, 2.89, -42.06) |
| CIE-LCH | lch(49.50, 42.16, 273.93°) |
| OKLab | oklab(56.49% -0.0366 -0.1196) |
| OKLCH | oklch(56.49% 0.125 253) |
| XYZ | xyz(17.6433, 18.0047, 50.6797) |
| Luminance | 0.1801 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.30
Bluish
#2976BB
ΔE00 1.97
Flat Blue
#3C73A8
ΔE00 3.00
Medium Blue
#2C6FBB
ΔE00 3.30
Steel Blue
#4682B4
ΔE00 4.25
Dull Blue
#49759C
ΔE00 4.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A78BD #BD7F3A
analogous
#3AB9BD #3A78BD #3D3ABD
triadic
#3A78BD #BD3A78 #78BD3A
tetradic
#3A78BD #BD3AB9 #BD7F3A #3ABD3D
square
#3A78BD #BD3AB9 #BD7F3A #3ABD3D
split-complementary
#3A78BD #BD3D3A #B9BD3A
monochromatic
#1D3D5F #2C5A8E #3A78BD #6597D0 #93B7DE
Accessibility & contrast
On white
4.56
#3A78BD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#3A78BD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A78BD
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A78BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A78BD | 1.00 | 4.56 | 4.60 | 4.60 |
| #FFFFFF | 4.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#597CC0
Deuteranopia (green-blind)
#4670BC
Tritanopia (blue-blind)
#008891
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #3a78bd; /* rgb */ color: rgb(58, 120, 189); /* oklch */ color: oklch(56.5% 0.125 253.0);
Tailwind
colors: {
custom: {
50: '#7f9ed1',
500: '#3a78bd',
950: '#000000',
},
}SCSS
$custom: #3a78bd; $custom-light: #7f9ed1; $custom-dark: #000000;
JSON
{
"hex": "#3a78bd",
"rgb": {
"r": 58,
"g": 120,
"b": 189
},
"hsl": {
"h": 211.603,
"s": 53.036,
"l": 48.431
},
"oklch": {
"l": 0.56487,
"c": 0.12502,
"h": 253
},
"luminance": 0.18007
}Semantic roles & 50–950 ramp
primary
#3A78BD
secondary
#C9AB8A
accent
#984BDC
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82