#636AF2#636AF2
#636AF2 is a mid, highly saturated blue. Relative luminance 0.194; OKLCH L 59.3% C 0.200 H 276.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).
Color values
| HEX | #636AF2 |
|---|---|
| RGB | rgb(99, 106, 242) |
| HSL | hsl(237, 85%, 67%) |
| HSV | hsv(237, 59%, 95%) |
| CMYK | cmyk(59.1%, 56.2%, 0%, 5.1%) |
| CIE-LAB | lab(51.12, 36.61, -69.40) |
| CIE-LCH | lch(51.12, 78.46, 297.81°) |
| OKLab | oklab(59.32% 0.0216 -0.1992) |
| OKLCH | oklch(59.32% 0.2 276.2) |
| XYZ | xyz(26.3214, 19.3695, 86.3388) |
| Luminance | 0.1937 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.08
Cornflower
#6A79F7
ΔE00 4.82
Cornflower Blue
#5170D7
ΔE00 5.63
Royal Blue
#4169E1
ΔE00 5.69
Dark Periwinkle
#665FD1
ΔE00 5.93
Bright Blue
#0165FC
ΔE00 6.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#636AF2 #F2EB63
analogous
#63B2F2 #636AF2 #A463F2
triadic
#636AF2 #F2636A #6AF263
tetradic
#636AF2 #F263B2 #F2EB63 #63F2A4
square
#636AF2 #F263B2 #F2EB63 #63F2A4
split-complementary
#636AF2 #F2A463 #B2F263
monochromatic
#111ACA #2B34ED #636AF2 #9BA0F7 #D4D6FB
Accessibility & contrast
On white
4.31
#636AF2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.87
#636AF2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #636AF2
4.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##636AF2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##636AF2 | 1.00 | 4.31 | 4.87 | 4.87 |
| #FFFFFF | 4.31 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.87 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.87 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0080F7
Deuteranopia (green-blind)
#0074EF
Tritanopia (blue-blind)
#008AA4
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #636af2; /* rgb */ color: rgb(99, 106, 242); /* oklch */ color: oklch(59.3% 0.200 276.2);
Tailwind
colors: {
custom: {
50: '#9c94f7',
500: '#636af2',
950: '#000000',
},
}SCSS
$custom: #636af2; $custom-light: #9c94f7; $custom-dark: #000000;
JSON
{
"hex": "#636af2",
"rgb": {
"r": 99,
"g": 106,
"b": 242
},
"hsl": {
"h": 237.063,
"s": 84.615,
"l": 66.863
},
"oklch": {
"l": 0.59315,
"c": 0.20042,
"h": 276.2
},
"luminance": 0.19372
}Semantic roles & 50–950 ramp
primary
#636AF2
secondary
#EFEDC2
accent
#D604E1
background
#FAF9FF
surface
#F4F1FF
border
#CECBD7
text
#0F0D17
muted
#7F7E85