#635BB9#635BB9
#635BB9 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.6% C 0.143 H 284.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).
Color values
| HEX | #635BB9 |
|---|---|
| RGB | rgb(99, 91, 185) |
| HSL | hsl(245, 40%, 54%) |
| HSV | hsv(245, 51%, 73%) |
| CMYK | cmyk(46.5%, 50.8%, 0%, 27.5%) |
| CIE-LAB | lab(43.71, 27.85, -48.84) |
| CIE-LCH | lch(43.71, 56.22, 299.69°) |
| OKLab | oklab(52.59% 0.0351 -0.1389) |
| OKLCH | oklch(52.59% 0.143 284.2) |
| XYZ | xyz(17.6411, 13.6368, 47.5922) |
| Luminance | 0.1364 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 2.05
Slate Blue
#6A5ACD
ΔE00 3.36
Light Indigo
#6D5ACF
ΔE00 3.85
Dark Periwinkle
#665FD1
ΔE00 3.87
Warm Blue
#4B57DB
ΔE00 6.13
Royal Purple
#7851A9
ΔE00 7.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#635BB9 #B1B95B
analogous
#5B82B9 #635BB9 #925BB9
triadic
#635BB9 #B9635B #5BB963
tetradic
#635BB9 #B95B82 #B1B95B #5BB992
square
#635BB9 #B95B82 #B1B95B #5BB992
split-complementary
#635BB9 #B9925B #82B95B
monochromatic
#332E6C #484097 #635BB9 #8C86CB #B5B1DE
Accessibility & contrast
On white
5.63
#635BB9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.73
#635BB9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #635BB9
5.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##635BB9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##635BB9 | 1.00 | 5.63 | 3.73 | 5.63 |
| #FFFFFF | 5.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#306ABC
Deuteranopia (green-blind)
#2C64B7
Tritanopia (blue-blind)
#466F81
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #635bb9; /* rgb */ color: rgb(99, 91, 185); /* oklch */ color: oklch(52.6% 0.143 284.2);
Tailwind
colors: {
custom: {
50: '#9589ce',
500: '#635bb9',
950: '#000000',
},
}SCSS
$custom: #635bb9; $custom-light: #9589ce; $custom-dark: #000000;
JSON
{
"hex": "#635bb9",
"rgb": {
"r": 99,
"g": 91,
"b": 185
},
"hsl": {
"h": 245.106,
"s": 40.171,
"l": 54.118
},
"oklch": {
"l": 0.52588,
"c": 0.14326,
"h": 284.2
},
"luminance": 0.13638
}Semantic roles & 50–950 ramp
primary
#635BB9
secondary
#C8CCA4
accent
#D058C6
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0E0B14
muted
#7E7C82