#4379DB#4379DB
#4379DB is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.9% C 0.161 H 261.2°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).
Color values
| HEX | #4379DB |
|---|---|
| RGB | rgb(67, 121, 219) |
| HSL | hsl(219, 68%, 56%) |
| HSV | hsv(219, 69%, 86%) |
| CMYK | cmyk(69.4%, 44.7%, 0%, 14.1%) |
| CIE-LAB | lab(51.81, 14.38, -55.45) |
| CIE-LCH | lch(51.81, 57.28, 284.54°) |
| OKLab | oklab(58.92% -0.0245 -0.1587) |
| OKLCH | oklch(58.92% 0.161 261.2) |
| XYZ | xyz(21.9337, 19.9802, 69.7047) |
| Luminance | 0.1998 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 3.22
Clear Blue
#247AFD
ΔE00 3.45
Lightish Blue
#3D7AFD
ΔE00 3.85
Cerulean Blue
#056EEE
ΔE00 4.29
Cornflower Blue
#5170D7
ΔE00 4.40
Windows Blue
#3778BF
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4379DB #DBA543
analogous
#43C5DB #4379DB #5943DB
triadic
#4379DB #DB4379 #79DB43
tetradic
#4379DB #DB43C5 #DBA543 #43DB59
square
#4379DB #DB43C5 #DBA543 #43DB59
split-complementary
#4379DB #DB5943 #C5DB43
monochromatic
#1A4289 #245ABD #4379DB #769EE5 #AAC2EF
Accessibility & contrast
On white
4.20
#4379DB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.00
#4379DB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4379DB
5.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4379DB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4379DB | 1.00 | 4.20 | 5.00 | 5.00 |
| #FFFFFF | 4.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4883DF
Deuteranopia (green-blind)
#2B75D9
Tritanopia (blue-blind)
#00909F
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #4379db; /* rgb */ color: rgb(67, 121, 219); /* oklch */ color: oklch(58.9% 0.161 261.2);
Tailwind
colors: {
custom: {
50: '#889fe7',
500: '#4379db',
950: '#000000',
},
}SCSS
$custom: #4379db; $custom-light: #889fe7; $custom-dark: #000000;
JSON
{
"hex": "#4379db",
"rgb": {
"r": 67,
"g": 121,
"b": 219
},
"hsl": {
"h": 218.684,
"s": 67.857,
"l": 56.078
},
"oklch": {
"l": 0.58924,
"c": 0.16057,
"h": 261.2
},
"luminance": 0.19983
}Semantic roles & 50–950 ramp
primary
#4379DB
secondary
#DCC69E
accent
#AD3DEB
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84