#5153FF#5153FF
#5153FF is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.5% C 0.247 H 274.3°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #5153FF |
|---|---|
| RGB | rgb(81, 83, 255) |
| HSL | hsl(239, 100%, 66%) |
| HSV | hsv(239, 68%, 100%) |
| CMYK | cmyk(68.2%, 67.5%, 0%, 0%) |
| CIE-LAB | lab(45.84, 51.77, -85.30) |
| CIE-LCH | lch(45.84, 99.78, 301.26°) |
| OKLab | oklab(55.47% 0.0185 -0.2465) |
| OKLCH | oklch(55.47% 0.247 274.3) |
| XYZ | xyz(24.5306, 15.1535, 96.2205) |
| Luminance | 0.1516 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Electric Blue
#0652FF
ΔE00 4.33
Warm Blue
#4B57DB
ΔE00 4.81
Purpleish Blue
#6140EF
ΔE00 5.47
Dark Periwinkle
#665FD1
ΔE00 6.53
Azul
#1D5DEC
ΔE00 6.55
Light Indigo
#6D5ACF
ΔE00 6.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5153FF #FFFD51
analogous
#51AAFF #5153FF #A651FF
triadic
#5153FF #FF5153 #53FF51
tetradic
#5153FF #FF51AA #FFFD51 #51FFA6
square
#5153FF #FF51AA #FFFD51 #51FFA6
split-complementary
#5153FF #FFA651 #AAFF51
monochromatic
#0002D6 #1417FF #5153FF #8E8FFF #CBCCFF
Accessibility & contrast
On white
5.21
#5153FF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.03
#5153FF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5153FF
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5153FF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5153FF | 1.00 | 5.21 | 4.03 | 5.21 |
| #FFFFFF | 5.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.03 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0075FF
Deuteranopia (green-blind)
#0064FC
Tritanopia (blue-blind)
#0082A3
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #5153ff; /* rgb */ color: rgb(81, 83, 255); /* oklch */ color: oklch(55.5% 0.247 274.3);
Tailwind
colors: {
custom: {
50: '#9784ff',
500: '#5153ff',
950: '#000000',
},
}SCSS
$custom: #5153ff; $custom-light: #9784ff; $custom-dark: #000000;
JSON
{
"hex": "#5153ff",
"rgb": {
"r": 81,
"g": 83,
"b": 255
},
"hsl": {
"h": 239.31,
"s": 100,
"l": 65.882
},
"oklch": {
"l": 0.5547,
"c": 0.24718,
"h": 274.3
},
"luminance": 0.15156
}Semantic roles & 50–950 ramp
primary
#5153FF
secondary
#F3F2B9
accent
#E300E6
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#0F0B18
muted
#7F7C86