#6553CF#6553CF
#6553CF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.9% C 0.184 H 284.8°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).
Color values
| HEX | #6553CF |
|---|---|
| RGB | rgb(101, 83, 207) |
| HSL | hsl(249, 56%, 57%) |
| HSV | hsv(249, 60%, 81%) |
| CMYK | cmyk(51.2%, 59.9%, 0%, 18.8%) |
| CIE-LAB | lab(43.44, 39.77, -62.00) |
| CIE-LCH | lch(43.44, 73.66, 302.68°) |
| OKLab | oklab(52.9% 0.0471 -0.1776) |
| OKLCH | oklch(52.9% 0.184 284.8) |
| XYZ | xyz(19.7192, 13.4572, 60.5778) |
| Luminance | 0.1346 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Slate Blue
#6A5ACD
ΔE00 2.19
Iris
#6258C4
ΔE00 2.31
Light Indigo
#6D5ACF
ΔE00 2.39
Dark Periwinkle
#665FD1
ΔE00 3.68
Warm Blue
#4B57DB
ΔE00 4.50
Bluey Purple
#6241C7
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6553CF #BDCF53
analogous
#537FCF #6553CF #A353CF
triadic
#6553CF #CF6553 #53CF65
tetradic
#6553CF #CF537F #BDCF53 #53CFA3
square
#6553CF #CF537F #BDCF53 #53CFA3
split-complementary
#6553CF #CFA353 #7FCF53
monochromatic
#322583 #4532B3 #6553CF #9083DC #BBB3EA
Accessibility & contrast
On white
5.69
#6553CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.69
#6553CF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #6553CF
5.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6553CF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6553CF | 1.00 | 5.69 | 3.69 | 5.69 |
| #FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006AD3
Deuteranopia (green-blind)
#0063CC
Tritanopia (blue-blind)
#3C7089
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #6553cf; /* rgb */ color: rgb(101, 83, 207); /* oklch */ color: oklch(52.9% 0.184 284.8);
Tailwind
colors: {
custom: {
50: '#9984de',
500: '#6553cf',
950: '#000000',
},
}SCSS
$custom: #6553cf; $custom-light: #9984de; $custom-dark: #000000;
JSON
{
"hex": "#6553cf",
"rgb": {
"r": 101,
"g": 83,
"b": 207
},
"hsl": {
"h": 248.71,
"s": 56.364,
"l": 56.863
},
"oklch": {
"l": 0.52902,
"c": 0.18372,
"h": 284.8
},
"luminance": 0.13458
}Semantic roles & 50–950 ramp
primary
#6553CF
secondary
#D1D8A6
accent
#E048CA
background
#F9F8FD
surface
#F2EFFB
border
#CCCAD4
text
#0F0B15
muted
#7E7C83