#4179DC#4179DC
#4179DC is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.9% C 0.163 H 260.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4179DC |
|---|---|
| RGB | rgb(65, 121, 220) |
| HSL | hsl(218, 69%, 56%) |
| HSV | hsv(218, 70%, 86%) |
| CMYK | cmyk(70.5%, 45%, 0%, 13.7%) |
| CIE-LAB | lab(51.80, 14.45, -56.05) |
| CIE-LCH | lch(51.80, 57.88, 284.46°) |
| OKLab | oklab(58.91% -0.0258 -0.1605) |
| OKLCH | oklch(58.91% 0.163 260.9) |
| XYZ | xyz(21.9310, 19.9636, 70.3938) |
| Luminance | 0.1997 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 3.07
Clear Blue
#247AFD
ΔE00 3.32
Lightish Blue
#3D7AFD
ΔE00 3.82
Cerulean Blue
#056EEE
ΔE00 4.20
Windows Blue
#3778BF
ΔE00 4.36
Azure
#007FFF
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4179DC #DCA441
analogous
#41C6DC #4179DC #5641DC
triadic
#4179DC #DC4179 #79DC41
tetradic
#4179DC #DC41C6 #DCA441 #41DC56
square
#4179DC #DC41C6 #DCA441 #41DC56
split-complementary
#4179DC #DC5641 #C6DC41
monochromatic
#194289 #235BBD #4179DC #759DE6 #A8C2EF
Accessibility & contrast
On white
4.21
#4179DC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#4179DC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4179DC
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4179DC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4179DC | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4783E0
Deuteranopia (green-blind)
#2875DA
Tritanopia (blue-blind)
#0090A0
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4179dc; /* rgb */ color: rgb(65, 121, 220); /* oklch */ color: oklch(58.9% 0.163 260.9);
Tailwind
colors: {
custom: {
50: '#879fe7',
500: '#4179dc',
950: '#000000',
},
}SCSS
$custom: #4179dc; $custom-light: #879fe7; $custom-dark: #000000;
JSON
{
"hex": "#4179dc",
"rgb": {
"r": 65,
"g": 121,
"b": 220
},
"hsl": {
"h": 218.323,
"s": 68.889,
"l": 55.882
},
"oklch": {
"l": 0.58907,
"c": 0.16256,
"h": 260.9
},
"luminance": 0.19966
}Semantic roles & 50–950 ramp
primary
#4179DC
secondary
#DDC59C
accent
#AC3CEC
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84