#635FFB#635FFB
#635FFB is a mid, highly saturated blue. Relative luminance 0.178; OKLCH L 58.1% C 0.225 H 277.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #635FFB |
|---|---|
| RGB | rgb(99, 95, 251) |
| HSL | hsl(242, 95%, 68%) |
| HSV | hsv(242, 62%, 98%) |
| CMYK | cmyk(60.6%, 62.2%, 0%, 1.6%) |
| CIE-LAB | lab(49.25, 45.97, -77.45) |
| CIE-LCH | lch(49.25, 90.06, 300.69°) |
| OKLab | oklab(58.15% 0.031 -0.223) |
| OKLCH | oklch(58.15% 0.225 277.9) |
| XYZ | xyz(26.6448, 17.8001, 93.2797) |
| Luminance | 0.1780 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.44
Dark Periwinkle
#665FD1
ΔE00 5.55
Warm Blue
#4B57DB
ΔE00 6.28
Light Indigo
#6D5ACF
ΔE00 6.37
Slate Blue
#6A5ACD
ΔE00 6.54
Purpley
#8756E4
ΔE00 6.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#635FFB #F7FB5F
analogous
#5FA9FB #635FFB #B15FFB
triadic
#635FFB #FB635F #5FFB63
tetradic
#635FFB #FB5FA9 #F7FB5F #5FFBB1
square
#635FFB #FB5FA9 #F7FB5F #5FFBB1
split-complementary
#635FFB #FBB15F #A9FB5F
monochromatic
#0B05DA #2923FA #635FFB #9D9BFC #D7D6FE
Accessibility & contrast
On white
4.60
#635FFB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.56
#635FFB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #635FFB
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##635FFB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##635FFB | 1.00 | 4.60 | 4.56 | 4.60 |
| #FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CFF
Deuteranopia (green-blind)
#006FF8
Tritanopia (blue-blind)
#0086A4
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #635ffb; /* rgb */ color: rgb(99, 95, 251); /* oklch */ color: oklch(58.1% 0.225 277.9);
Tailwind
colors: {
custom: {
50: '#9e8dfe',
500: '#635ffb',
950: '#000000',
},
}SCSS
$custom: #635ffb; $custom-light: #9e8dfe; $custom-dark: #000000;
JSON
{
"hex": "#635ffb",
"rgb": {
"r": 99,
"g": 95,
"b": 251
},
"hsl": {
"h": 241.538,
"s": 95.122,
"l": 67.843
},
"oklch": {
"l": 0.58147,
"c": 0.22512,
"h": 277.9
},
"luminance": 0.17802
}Semantic roles & 50–950 ramp
primary
#635FFB
secondary
#F2F3C3
accent
#E600E0
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86