#6561EF#6561EF
#6561EF is a mid, highly saturated blue. Relative luminance 0.175; OKLCH L 57.7% C 0.207 H 278.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #6561EF |
|---|---|
| RGB | rgb(101, 97, 239) |
| HSL | hsl(242, 82%, 66%) |
| HSV | hsv(242, 59%, 94%) |
| CMYK | cmyk(57.7%, 59.4%, 0%, 6.3%) |
| CIE-LAB | lab(48.94, 41.36, -71.25) |
| CIE-LCH | lch(48.94, 82.38, 300.14°) |
| OKLab | oklab(57.67% 0.0322 -0.2047) |
| OKLCH | oklch(57.67% 0.207 278.9) |
| XYZ | xyz(25.2166, 17.5463, 83.7026) |
| Luminance | 0.1755 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.01
Dark Periwinkle
#665FD1
ΔE00 4.18
Light Indigo
#6D5ACF
ΔE00 5.25
Slate Blue
#6A5ACD
ΔE00 5.38
Warm Blue
#4B57DB
ΔE00 5.62
Royal Blue
#4169E1
ΔE00 6.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6561EF #EBEF61
analogous
#61A4EF #6561EF #AC61EF
triadic
#6561EF #EF6561 #61EF65
tetradic
#6561EF #EF61A4 #EBEF61 #61EFAC
square
#6561EF #EF61A4 #EBEF61 #61EFAC
split-complementary
#6561EF #EFAC61 #A4EF61
monochromatic
#1914C2 #2F29E9 #6561EF #9B99F5 #D1D0FA
Accessibility & contrast
On white
4.66
#6561EF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.51
#6561EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #6561EF
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6561EF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6561EF | 1.00 | 4.66 | 4.51 | 4.66 |
| #FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007AF4
Deuteranopia (green-blind)
#006FEC
Tritanopia (blue-blind)
#00839F
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #6561ef; /* rgb */ color: rgb(101, 97, 239); /* oklch */ color: oklch(57.7% 0.207 278.9);
Tailwind
colors: {
custom: {
50: '#9d8ef5',
500: '#6561ef',
950: '#000000',
},
}SCSS
$custom: #6561ef; $custom-light: #9d8ef5; $custom-dark: #000000;
JSON
{
"hex": "#6561ef",
"rgb": {
"r": 101,
"g": 97,
"b": 239
},
"hsl": {
"h": 241.69,
"s": 81.609,
"l": 65.882
},
"oklch": {
"l": 0.57673,
"c": 0.20722,
"h": 278.9
},
"luminance": 0.17548
}Semantic roles & 50–950 ramp
primary
#6561EF
secondary
#ECEDBE
accent
#DE08D8
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#0F0C17
muted
#7F7D85