#3A75BF#3A75BF
#3A75BF is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.9% C 0.131 H 255.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3A75BF |
|---|---|
| RGB | rgb(58, 117, 191) |
| HSL | hsl(213, 53%, 49%) |
| HSV | hsv(213, 70%, 75%) |
| CMYK | cmyk(69.6%, 38.7%, 0%, 25.1%) |
| CIE-LAB | lab(48.74, 5.44, -44.43) |
| CIE-LCH | lch(48.74, 44.76, 276.98°) |
| OKLab | oklab(55.93% -0.0331 -0.1265) |
| OKLCH | oklch(55.93% 0.131 255.3) |
| XYZ | xyz(17.5067, 17.3819, 51.7125) |
| Luminance | 0.1738 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.42
Medium Blue
#2C6FBB
ΔE00 2.44
Bluish
#2976BB
ΔE00 2.59
Flat Blue
#3C73A8
ΔE00 2.93
Mid Blue
#276AB3
ΔE00 4.38
Muted Blue
#3B719F
ΔE00 4.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A75BF #BF843A
analogous
#3AB8BF #3A75BF #413ABF
triadic
#3A75BF #BF3A75 #75BF3A
tetradic
#3A75BF #BF3AB8 #BF843A #3ABF41
square
#3A75BF #BF3AB8 #BF843A #3ABF41
split-complementary
#3A75BF #BF413A #B8BF3A
monochromatic
#1D3B61 #2C5890 #3A75BF #6695D0 #95B6DF
Accessibility & contrast
On white
4.69
#3A75BF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.48
#3A75BF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3A75BF
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A75BF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A75BF | 1.00 | 4.69 | 4.48 | 4.69 |
| #FFFFFF | 4.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#537BC2
Deuteranopia (green-blind)
#3F6EBE
Tritanopia (blue-blind)
#008691
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #3a75bf; /* rgb */ color: rgb(58, 117, 191); /* oklch */ color: oklch(55.9% 0.131 255.3);
Tailwind
colors: {
custom: {
50: '#7f9cd3',
500: '#3a75bf',
950: '#000000',
},
}SCSS
$custom: #3a75bf; $custom-light: #7f9cd3; $custom-dark: #000000;
JSON
{
"hex": "#3a75bf",
"rgb": {
"r": 58,
"g": 117,
"b": 191
},
"hsl": {
"h": 213.383,
"s": 53.414,
"l": 48.824
},
"oklch": {
"l": 0.55926,
"c": 0.13079,
"h": 255.3
},
"luminance": 0.17384
}Semantic roles & 50–950 ramp
primary
#3A75BF
secondary
#CAAE8B
accent
#9C4BDD
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83