#3374BF#3374BF
#3374BF is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.134 H 254.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).
Color values
| HEX | #3374BF |
|---|---|
| RGB | rgb(51, 116, 191) |
| HSL | hsl(212, 58%, 47%) |
| HSV | hsv(212, 73%, 75%) |
| CMYK | cmyk(73.3%, 39.3%, 0%, 25.1%) |
| CIE-LAB | lab(48.20, 5.04, -45.29) |
| CIE-LCH | lch(48.20, 45.57, 276.35°) |
| OKLab | oklab(55.44% -0.037 -0.1292) |
| OKLCH | oklch(55.44% 0.134 254) |
| XYZ | xyz(17.0111, 16.9543, 51.6561) |
| Luminance | 0.1696 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.47
Medium Blue
#2C6FBB
ΔE00 1.88
Bluish
#2976BB
ΔE00 2.01
Flat Blue
#3C73A8
ΔE00 2.61
Mid Blue
#276AB3
ΔE00 3.86
Muted Blue
#3B719F
ΔE00 4.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3374BF #BF7E33
analogous
#33BABF #3374BF #3833BF
triadic
#3374BF #BF3374 #74BF33
tetradic
#3374BF #BF33BA #BF7E33 #33BF38
square
#3374BF #BF33BA #BF7E33 #33BF38
split-complementary
#3374BF #BF3833 #BABF33
monochromatic
#19395E #26578F #3374BF #5C93D3 #8CB3E0
Accessibility & contrast
On white
4.78
#3374BF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.39
#3374BF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3374BF
4.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3374BF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3374BF | 1.00 | 4.78 | 4.39 | 4.78 |
| #FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5179C2
Deuteranopia (green-blind)
#3B6CBD
Tritanopia (blue-blind)
#008690
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #3374bf; /* rgb */ color: rgb(51, 116, 191); /* oklch */ color: oklch(55.4% 0.134 254.0);
Tailwind
colors: {
custom: {
50: '#7d9bd3',
500: '#3374bf',
950: '#000000',
},
}SCSS
$custom: #3374bf; $custom-light: #7d9bd3; $custom-dark: #000000;
JSON
{
"hex": "#3374bf",
"rgb": {
"r": 51,
"g": 116,
"b": 191
},
"hsl": {
"h": 212.143,
"s": 57.851,
"l": 47.451
},
"oklch": {
"l": 0.5544,
"c": 0.13435,
"h": 254
},
"luminance": 0.16956
}Semantic roles & 50–950 ramp
primary
#3374BF
secondary
#CBA983
accent
#9947E1
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83