#4551E1#4551E1
#4551E1 is a mid, highly saturated blue. Relative luminance 0.126; OKLCH L 51.8% C 0.215 H 272.6°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #4551E1 |
|---|---|
| RGB | rgb(69, 81, 225) |
| HSL | hsl(235, 72%, 58%) |
| HSV | hsv(235, 69%, 88%) |
| CMYK | cmyk(69.3%, 64%, 0%, 11.8%) |
| CIE-LAB | lab(42.13, 41.70, -74.54) |
| CIE-LCH | lch(42.13, 85.41, 299.23°) |
| OKLab | oklab(51.8% 0.0096 -0.2153) |
| OKLCH | oklch(51.8% 0.216 272.6) |
| XYZ | xyz(18.9827, 12.5845, 72.6482) |
| Luminance | 0.1259 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 1.87
Electric Blue
#0652FF
ΔE00 3.92
Blue (survey)
#0343DF
ΔE00 5.14
Azul
#1D5DEC
ΔE00 5.26
Iris
#6258C4
ΔE00 5.55
Purpleish Blue
#6140EF
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4551E1 #E1D545
analogous
#459FE1 #4551E1 #8745E1
triadic
#4551E1 #E14551 #51E145
tetradic
#4551E1 #E1459F #E1D545 #45E187
square
#4551E1 #E1459F #E1D545 #45E187
split-complementary
#4551E1 #E18745 #9FE145
monochromatic
#182194 #202DC8 #4551E1 #7A82E9 #AEB4F2
Accessibility & contrast
On white
5.97
#4551E1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#4551E1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4551E1
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4551E1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4551E1 | 1.00 | 5.97 | 3.52 | 5.97 |
| #FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006BE6
Deuteranopia (green-blind)
#005CDE
Tritanopia (blue-blind)
#007792
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #4551e1; /* rgb */ color: rgb(69, 81, 225); /* oklch */ color: oklch(51.8% 0.215 272.6);
Tailwind
colors: {
custom: {
50: '#8c82ec',
500: '#4551e1',
950: '#000000',
},
}SCSS
$custom: #4551e1; $custom-light: #8c82ec; $custom-dark: #000000;
JSON
{
"hex": "#4551e1",
"rgb": {
"r": 69,
"g": 81,
"b": 225
},
"hsl": {
"h": 235.385,
"s": 72.222,
"l": 57.647
},
"oklch": {
"l": 0.51799,
"c": 0.2155,
"h": 272.6
},
"luminance": 0.12586
}Semantic roles & 50–950 ramp
primary
#4551E1
secondary
#E0DBA2
accent
#E139EF
background
#F9F8FE
surface
#F2EFFD
border
#CCCAD5
text
#0E0A16
muted
#7E7C84