#5551EB#5551EB
#5551EB is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.7% C 0.224 H 276.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).
Color values
| HEX | #5551EB |
|---|---|
| RGB | rgb(85, 81, 235) |
| HSL | hsl(242, 79%, 62%) |
| HSV | hsv(242, 66%, 92%) |
| CMYK | cmyk(63.8%, 65.5%, 0%, 7.8%) |
| CIE-LAB | lab(43.96, 47.04, -77.17) |
| CIE-LCH | lch(43.96, 90.37, 301.36°) |
| OKLab | oklab(53.65% 0.0268 -0.2226) |
| OKLCH | oklch(53.65% 0.224 276.9) |
| XYZ | xyz(21.6793, 13.8125, 80.1048) |
| Luminance | 0.1381 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 3.20
Purpleish Blue
#6140EF
ΔE00 4.32
Electric Blue
#0652FF
ΔE00 4.70
Slate Blue
#6A5ACD
ΔE00 5.24
Light Indigo
#6D5ACF
ΔE00 5.33
Dark Periwinkle
#665FD1
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5551EB #E7EB51
analogous
#519AEB #5551EB #A251EB
triadic
#5551EB #EB5551 #51EB55
tetradic
#5551EB #EB519A #E7EB51 #51EBA2
square
#5551EB #EB519A #E7EB51 #51EBA2
split-complementary
#5551EB #EBA251 #9AEB51
monochromatic
#1814AE #201AE5 #5551EB #8B88F1 #C0BFF8
Accessibility & contrast
On white
5.58
#5551EB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.76
#5551EB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5551EB
5.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5551EB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5551EB | 1.00 | 5.58 | 3.76 | 5.58 |
| #FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006FF0
Deuteranopia (green-blind)
#0061E8
Tritanopia (blue-blind)
#007997
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #5551eb; /* rgb */ color: rgb(85, 81, 235); /* oklch */ color: oklch(53.7% 0.224 276.9);
Tailwind
colors: {
custom: {
50: '#9583f3',
500: '#5551eb',
950: '#000000',
},
}SCSS
$custom: #5551eb; $custom-light: #9583f3; $custom-dark: #000000;
JSON
{
"hex": "#5551eb",
"rgb": {
"r": 85,
"g": 81,
"b": 235
},
"hsl": {
"h": 241.558,
"s": 79.381,
"l": 61.961
},
"oklch": {
"l": 0.53652,
"c": 0.22418,
"h": 276.9
},
"luminance": 0.13814
}Semantic roles & 50–950 ramp
primary
#5551EB
secondary
#E7E8B0
accent
#DC0AD6
background
#FAF8FF
surface
#F3EFFE
border
#CDCAD6
text
#0F0A17
muted
#7F7C85