#3F76DC#3F76DC
#3F76DC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.2% C 0.167 H 261.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).
Color values
| HEX | #3F76DC |
|---|---|
| RGB | rgb(63, 118, 220) |
| HSL | hsl(219, 69%, 55%) |
| HSV | hsv(219, 71%, 86%) |
| CMYK | cmyk(71.4%, 46.4%, 0%, 13.7%) |
| CIE-LAB | lab(50.90, 16.03, -57.50) |
| CIE-LCH | lch(50.90, 59.69, 285.58°) |
| OKLab | oklab(58.19% -0.0247 -0.1648) |
| OKLCH | oklch(58.19% 0.167 261.5) |
| XYZ | xyz(21.4420, 19.1786, 70.2681) |
| Luminance | 0.1918 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 2.96
Cerulean Blue
#056EEE
ΔE00 3.40
Clear Blue
#247AFD
ΔE00 3.73
Cornflower Blue
#5170D7
ΔE00 3.78
Lightish Blue
#3D7AFD
ΔE00 4.11
Windows Blue
#3778BF
ΔE00 4.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F76DC #DCA53F
analogous
#3FC4DC #3F76DC #563FDC
triadic
#3F76DC #DC3F76 #76DC3F
tetradic
#3F76DC #DC3FC4 #DCA53F #3FDC56
square
#3F76DC #DC3FC4 #DCA53F #3FDC56
split-complementary
#3F76DC #DC563F #C4DC3F
monochromatic
#194088 #2258BC #3F76DC #739BE5 #A7C0EF
Accessibility & contrast
On white
4.34
#3F76DC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.84
#3F76DC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F76DC
4.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F76DC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F76DC | 1.00 | 4.34 | 4.84 | 4.84 |
| #FFFFFF | 4.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.84 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.84 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4081E0
Deuteranopia (green-blind)
#1B72DA
Tritanopia (blue-blind)
#008E9E
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #3f76dc; /* rgb */ color: rgb(63, 118, 220); /* oklch */ color: oklch(58.2% 0.167 261.5);
Tailwind
colors: {
custom: {
50: '#879ce7',
500: '#3f76dc',
950: '#000000',
},
}SCSS
$custom: #3f76dc; $custom-light: #879ce7; $custom-dark: #000000;
JSON
{
"hex": "#3f76dc",
"rgb": {
"r": 63,
"g": 118,
"b": 220
},
"hsl": {
"h": 218.981,
"s": 69.163,
"l": 55.49
},
"oklch": {
"l": 0.58193,
"c": 0.16667,
"h": 261.5
},
"luminance": 0.19181
}Semantic roles & 50–950 ramp
primary
#3F76DC
secondary
#DCC59B
accent
#AE3CEC
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84