#6351EF#6351EF
#6351EF is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 55.0% C 0.226 H 281.1°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).
Color values
| HEX | #6351EF |
|---|---|
| RGB | rgb(99, 81, 239) |
| HSL | hsl(247, 83%, 63%) |
| HSV | hsv(247, 66%, 94%) |
| CMYK | cmyk(58.6%, 66.1%, 0%, 6.3%) |
| CIE-LAB | lab(45.31, 50.26, -77.17) |
| CIE-LCH | lch(45.31, 92.09, 303.08°) |
| OKLab | oklab(54.99% 0.0435 -0.2222) |
| OKLCH | oklch(54.99% 0.226 281.1) |
| XYZ | xyz(23.6631, 14.7679, 83.2482) |
| Luminance | 0.1477 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 4.02
Warm Blue
#4B57DB
ΔE00 4.86
Light Indigo
#6D5ACF
ΔE00 4.86
Slate Blue
#6A5ACD
ΔE00 5.00
Dark Periwinkle
#665FD1
ΔE00 5.34
Bluish Purple
#703BE7
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6351EF #DDEF51
analogous
#518EEF #6351EF #B251EF
triadic
#6351EF #EF6351 #51EF63
tetradic
#6351EF #EF518E #DDEF51 #51EFB2
square
#6351EF #EF518E #DDEF51 #51EFB2
split-complementary
#6351EF #EFB251 #8EEF51
monochromatic
#2311B5 #3119EA #6351EF #9589F4 #C7C1F9
Accessibility & contrast
On white
5.31
#6351EF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#6351EF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #6351EF
5.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6351EF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6351EF | 1.00 | 5.31 | 3.95 | 5.31 |
| #FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0071F4
Deuteranopia (green-blind)
#0065EC
Tritanopia (blue-blind)
#007A99
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #6351ef; /* rgb */ color: rgb(99, 81, 239); /* oklch */ color: oklch(55.0% 0.226 281.1);
Tailwind
colors: {
custom: {
50: '#9d83f5',
500: '#6351ef',
950: '#000000',
},
}SCSS
$custom: #6351ef; $custom-light: #9d83f5; $custom-dark: #000000;
JSON
{
"hex": "#6351ef",
"rgb": {
"r": 99,
"g": 81,
"b": 239
},
"hsl": {
"h": 246.835,
"s": 83.158,
"l": 62.745
},
"oklch": {
"l": 0.54991,
"c": 0.22642,
"h": 281.1
},
"luminance": 0.1477
}Semantic roles & 50–950 ramp
primary
#6351EF
secondary
#E4EAB1
accent
#E006C7
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100B17
muted
#7F7C85