#4E51D7#4E51D7
#4E51D7 is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.5% C 0.201 H 275.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).
Color values
| HEX | #4E51D7 |
|---|---|
| RGB | rgb(78, 81, 215) |
| HSL | hsl(239, 63%, 57%) |
| HSV | hsv(239, 64%, 84%) |
| CMYK | cmyk(63.7%, 62.3%, 0%, 15.7%) |
| CIE-LAB | lab(41.86, 39.57, -69.25) |
| CIE-LCH | lch(41.86, 79.76, 299.74°) |
| OKLab | oklab(51.49% 0.0202 -0.1996) |
| OKLCH | oklch(51.49% 0.201 275.8) |
| XYZ | xyz(18.3460, 12.4093, 65.7052) |
| Luminance | 0.1241 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.00
Iris
#6258C4
ΔE00 4.26
Slate Blue
#6A5ACD
ΔE00 4.97
Dark Periwinkle
#665FD1
ΔE00 5.22
Light Indigo
#6D5ACF
ΔE00 5.36
Electric Blue
#0652FF
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E51D7 #D7D44E
analogous
#4E96D7 #4E51D7 #8F4ED7
triadic
#4E51D7 #D74E51 #51D74E
tetradic
#4E51D7 #D74E96 #D7D44E #4ED78F
square
#4E51D7 #D74E96 #D7D44E #4ED78F
split-complementary
#4E51D7 #D78F4E #96D74E
monochromatic
#1F228B #2B2EBD #4E51D7 #8082E2 #B2B3EE
Accessibility & contrast
On white
6.03
#4E51D7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.48
#4E51D7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4E51D7
6.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E51D7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4E51D7 | 1.00 | 6.03 | 3.48 | 6.03 |
| #FFFFFF | 6.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0069DB
Deuteranopia (green-blind)
#005DD4
Tritanopia (blue-blind)
#00738C
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #4e51d7; /* rgb */ color: rgb(78, 81, 215); /* oklch */ color: oklch(51.5% 0.201 275.8);
Tailwind
colors: {
custom: {
50: '#8e82e4',
500: '#4e51d7',
950: '#000000',
},
}SCSS
$custom: #4e51d7; $custom-light: #8e82e4; $custom-dark: #000000;
JSON
{
"hex": "#4e51d7",
"rgb": {
"r": 78,
"g": 81,
"b": 215
},
"hsl": {
"h": 238.686,
"s": 63.134,
"l": 57.451
},
"oklch": {
"l": 0.51491,
"c": 0.20058,
"h": 275.8
},
"luminance": 0.12411
}Semantic roles & 50–950 ramp
primary
#4E51D7
secondary
#DCDBA5
accent
#E342E6
background
#F9F8FE
surface
#F2EFFC
border
#CCCAD5
text
#0E0A16
muted
#7E7C84