#6563EF#6563EF
#6563EF is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 58.0% C 0.205 H 278.5°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).
Color values
| HEX | #6563EF |
|---|---|
| RGB | rgb(101, 99, 239) |
| HSL | hsl(241, 81%, 66%) |
| HSV | hsv(241, 59%, 94%) |
| CMYK | cmyk(57.7%, 58.6%, 0%, 6.3%) |
| CIE-LAB | lab(49.40, 40.18, -70.50) |
| CIE-LCH | lch(49.40, 81.15, 299.68°) |
| OKLab | oklab(58.01% 0.0304 -0.2025) |
| OKLCH | oklch(58.01% 0.205 278.5) |
| XYZ | xyz(25.4037, 17.9206, 83.7650) |
| Luminance | 0.1792 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 3.79
Dark Periwinkle
#665FD1
ΔE00 4.38
Light Indigo
#6D5ACF
ΔE00 5.60
Slate Blue
#6A5ACD
ΔE00 5.72
Warm Blue
#4B57DB
ΔE00 5.96
Royal Blue
#4169E1
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6563EF #EDEF63
analogous
#63A7EF #6563EF #AB63EF
triadic
#6563EF #EF6563 #63EF65
tetradic
#6563EF #EF63A7 #EDEF63 #63EFAB
square
#6563EF #EF63A7 #EDEF63 #63EFAB
split-complementary
#6563EF #EFAB63 #A7EF63
monochromatic
#1714C4 #2E2BE9 #6563EF #9C9BF5 #D3D2FA
Accessibility & contrast
On white
4.58
#6563EF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.58
#6563EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6563EF
4.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6563EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6563EF | 1.00 | 4.58 | 4.58 | 4.58 |
| #FFFFFF | 4.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007BF4
Deuteranopia (green-blind)
#0070EC
Tritanopia (blue-blind)
#0085A0
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #6563ef; /* rgb */ color: rgb(101, 99, 239); /* oklch */ color: oklch(58.0% 0.205 278.5);
Tailwind
colors: {
custom: {
50: '#9d8ff5',
500: '#6563ef',
950: '#000000',
},
}SCSS
$custom: #6563ef; $custom-light: #9d8ff5; $custom-dark: #000000;
JSON
{
"hex": "#6563ef",
"rgb": {
"r": 101,
"g": 99,
"b": 239
},
"hsl": {
"h": 240.857,
"s": 81.395,
"l": 66.275
},
"oklch": {
"l": 0.58011,
"c": 0.20476,
"h": 278.5
},
"luminance": 0.17922
}Semantic roles & 50–950 ramp
primary
#6563EF
secondary
#EDEEC0
accent
#DE08DB
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#0F0C17
muted
#7F7D85