#636AED#636AED
#636AED is a mid, vivid blue. Relative luminance 0.191; OKLCH L 59.0% C 0.194 H 276.4°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).
Color values
| HEX | #636AED |
|---|---|
| RGB | rgb(99, 106, 237) |
| HSL | hsl(237, 79%, 66%) |
| HSV | hsv(237, 58%, 93%) |
| CMYK | cmyk(58.2%, 55.3%, 0%, 7.1%) |
| CIE-LAB | lab(50.77, 35.01, -67.16) |
| CIE-LCH | lch(50.77, 75.74, 297.53°) |
| OKLab | oklab(58.95% 0.0215 -0.1927) |
| OKLCH | oklch(58.95% 0.194 276.4) |
| XYZ | xyz(25.5808, 19.0732, 82.4378) |
| Luminance | 0.1908 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.16
Cornflower
#6A79F7
ΔE00 5.02
Cornflower Blue
#5170D7
ΔE00 5.24
Royal Blue
#4169E1
ΔE00 5.37
Dark Periwinkle
#665FD1
ΔE00 5.44
Bright Blue
#0165FC
ΔE00 6.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#636AED #EDE663
analogous
#63AFED #636AED #A163ED
triadic
#636AED #ED636A #6AED63
tetradic
#636AED #ED63AF #EDE663 #63EDA1
square
#636AED #ED63AF #EDE663 #63EDA1
split-complementary
#636AED #EDA163 #AFED63
monochromatic
#161FC0 #2C36E7 #636AED #9A9EF3 #D1D3FA
Accessibility & contrast
On white
4.36
#636AED on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.82
#636AED on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #636AED
4.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##636AED | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##636AED | 1.00 | 4.36 | 4.82 | 4.82 |
| #FFFFFF | 4.36 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.82 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.82 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007FF1
Deuteranopia (green-blind)
#0073EA
Tritanopia (blue-blind)
#0089A1
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #636aed; /* rgb */ color: rgb(99, 106, 237); /* oklch */ color: oklch(59.0% 0.194 276.4);
Tailwind
colors: {
custom: {
50: '#9b94f4',
500: '#636aed',
950: '#000000',
},
}SCSS
$custom: #636aed; $custom-light: #9b94f4; $custom-dark: #000000;
JSON
{
"hex": "#636aed",
"rgb": {
"r": 99,
"g": 106,
"b": 237
},
"hsl": {
"h": 236.957,
"s": 79.31,
"l": 65.882
},
"oklch": {
"l": 0.58951,
"c": 0.19387,
"h": 276.4
},
"luminance": 0.19075
}Semantic roles & 50–950 ramp
primary
#636AED
secondary
#EDEABF
accent
#D10ADC
background
#FAF9FF
surface
#F4F1FE
border
#CECBD6
text
#0F0D17
muted
#7F7E85