#4E51CD#4E51CD
#4E51CD is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.7% C 0.188 H 276.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).
Color values
| HEX | #4E51CD |
|---|---|
| RGB | rgb(78, 81, 205) |
| HSL | hsl(239, 56%, 55%) |
| HSV | hsv(239, 62%, 80%) |
| CMYK | cmyk(62%, 60.5%, 0%, 19.6%) |
| CIE-LAB | lab(41.07, 36.26, -64.78) |
| CIE-LCH | lch(41.07, 74.24, 299.23°) |
| OKLab | oklab(50.67% 0.0207 -0.1864) |
| OKLCH | oklch(50.67% 0.188 276.3) |
| XYZ | xyz(17.1002, 11.9110, 59.1437) |
| Luminance | 0.1191 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.67
Iris
#6258C4
ΔE00 3.79
Slate Blue
#6A5ACD
ΔE00 5.00
Dark Periwinkle
#665FD1
ΔE00 5.37
Light Indigo
#6D5ACF
ΔE00 5.48
Ocean Blue
#4F42B5
ΔE00 5.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E51CD #CDCA4E
analogous
#4E90CD #4E51CD #8B4ECD
triadic
#4E51CD #CD4E51 #51CD4E
tetradic
#4E51CD #CD4E90 #CDCA4E #4ECD8B
square
#4E51CD #CD4E90 #CDCA4E #4ECD8B
split-complementary
#4E51CD #CD8B4E #90CD4E
monochromatic
#23257D #3134AD #4E51CD #7E80DA #ADAFE8
Accessibility & contrast
On white
6.21
#4E51CD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.38
#4E51CD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4E51CD
6.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E51CD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4E51CD | 1.00 | 6.21 | 3.38 | 6.21 |
| #FFFFFF | 6.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0066D1
Deuteranopia (green-blind)
#005BCB
Tritanopia (blue-blind)
#007087
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #4e51cd; /* rgb */ color: rgb(78, 81, 205); /* oklch */ color: oklch(50.7% 0.188 276.3);
Tailwind
colors: {
custom: {
50: '#8d82dd',
500: '#4e51cd',
950: '#000000',
},
}SCSS
$custom: #4e51cd; $custom-light: #8d82dd; $custom-dark: #000000;
JSON
{
"hex": "#4e51cd",
"rgb": {
"r": 78,
"g": 81,
"b": 205
},
"hsl": {
"h": 238.583,
"s": 55.947,
"l": 55.49
},
"oklch": {
"l": 0.50669,
"c": 0.18757,
"h": 276.3
},
"luminance": 0.11912
}Semantic roles & 50–950 ramp
primary
#4E51CD
secondary
#D6D5A1
accent
#DC49DF
background
#F9F7FD
surface
#F2EEFB
border
#CCC9D4
text
#0D0A15
muted
#7E7C83