#4078E1#4078E1
#4078E1 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.0% C 0.171 H 261.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4078E1 |
|---|---|
| RGB | rgb(64, 120, 225) |
| HSL | hsl(219, 73%, 57%) |
| HSV | hsv(219, 72%, 88%) |
| CMYK | cmyk(71.6%, 46.7%, 0%, 11.8%) |
| CIE-LAB | lab(51.79, 16.73, -58.88) |
| CIE-LCH | lch(51.79, 61.21, 285.86°) |
| OKLab | oklab(58.99% -0.0249 -0.1688) |
| OKLCH | oklch(58.99% 0.171 261.6) |
| XYZ | xyz(22.4166, 19.9568, 73.8902) |
| Luminance | 0.1996 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Deep Sky Blue
#0D75F8
ΔE00 2.68
Clear Blue
#247AFD
ΔE00 2.98
Lightish Blue
#3D7AFD
ΔE00 3.32
Cerulean Blue
#056EEE
ΔE00 3.87
Cornflower Blue
#5170D7
ΔE00 4.22
Azure
#007FFF
ΔE00 4.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4078E1 #E1A940
analogous
#40C9E1 #4078E1 #5840E1
triadic
#4078E1 #E14078 #78E140
tetradic
#4078E1 #E140C9 #E1A940 #40E158
square
#4078E1 #E140C9 #E1A940 #40E158
split-complementary
#4078E1 #E15840 #C9E140
monochromatic
#174190 #1F59C5 #4078E1 #759DE9 #AAC3F2
Accessibility & contrast
On white
4.21
#4078E1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#4078E1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4078E1
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4078E1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4078E1 | 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)
#4083E5
Deuteranopia (green-blind)
#1775DF
Tritanopia (blue-blind)
#0091A2
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #4078e1; /* rgb */ color: rgb(64, 120, 225); /* oklch */ color: oklch(59.0% 0.171 261.6);
Tailwind
colors: {
custom: {
50: '#889eeb',
500: '#4078e1',
950: '#000000',
},
}SCSS
$custom: #4078e1; $custom-light: #889eeb; $custom-dark: #000000;
JSON
{
"hex": "#4078e1",
"rgb": {
"r": 64,
"g": 120,
"b": 225
},
"hsl": {
"h": 219.13,
"s": 72.851,
"l": 56.667
},
"oklch": {
"l": 0.58988,
"c": 0.17067,
"h": 261.6
},
"luminance": 0.19959
}Semantic roles & 50–950 ramp
primary
#4078E1
secondary
#DFC89D
accent
#B038F0
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84