#3474BF#3474BF
#3474BF is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.134 H 254.3°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).
Color values
| HEX | #3474BF |
|---|---|
| RGB | rgb(52, 116, 191) |
| HSL | hsl(212, 57%, 48%) |
| HSV | hsv(212, 73%, 75%) |
| CMYK | cmyk(72.8%, 39.3%, 0%, 25.1%) |
| CIE-LAB | lab(48.24, 5.18, -45.24) |
| CIE-LCH | lch(48.24, 45.53, 276.53°) |
| OKLab | oklab(55.47% -0.0363 -0.129) |
| OKLCH | oklch(55.47% 0.134 254.3) |
| XYZ | xyz(17.0621, 16.9805, 51.6585) |
| Luminance | 0.1698 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.49
Medium Blue
#2C6FBB
ΔE00 1.90
Bluish
#2976BB
ΔE00 2.12
Flat Blue
#3C73A8
ΔE00 2.64
Mid Blue
#276AB3
ΔE00 3.88
Muted Blue
#3B719F
ΔE00 4.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3474BF #BF7F34
analogous
#34BABF #3474BF #3934BF
triadic
#3474BF #BF3474 #74BF34
tetradic
#3474BF #BF34BA #BF7F34 #34BF39
square
#3474BF #BF34BA #BF7F34 #34BF39
split-complementary
#3474BF #BF3934 #BABF34
monochromatic
#1A3A5F #27578F #3474BF #5D93D3 #8DB3E0
Accessibility & contrast
On white
4.78
#3474BF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.40
#3474BF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3474BF
4.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3474BF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3474BF | 1.00 | 4.78 | 4.40 | 4.78 |
| #FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#517AC2
Deuteranopia (green-blind)
#3B6DBD
Tritanopia (blue-blind)
#008690
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #3474bf; /* rgb */ color: rgb(52, 116, 191); /* oklch */ color: oklch(55.5% 0.134 254.3);
Tailwind
colors: {
custom: {
50: '#7d9bd3',
500: '#3474bf',
950: '#000000',
},
}SCSS
$custom: #3474bf; $custom-light: #7d9bd3; $custom-dark: #000000;
JSON
{
"hex": "#3474bf",
"rgb": {
"r": 52,
"g": 116,
"b": 191
},
"hsl": {
"h": 212.374,
"s": 57.202,
"l": 47.647
},
"oklch": {
"l": 0.55475,
"c": 0.13401,
"h": 254.3
},
"luminance": 0.16982
}Semantic roles & 50–950 ramp
primary
#3474BF
secondary
#CAAA84
accent
#9A47E0
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83