#3963DC#3963DC
#3963DC is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.1% C 0.191 H 265.7°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #3963DC |
|---|---|
| RGB | rgb(57, 99, 220) |
| HSL | hsl(225, 70%, 54%) |
| HSV | hsv(225, 74%, 86%) |
| CMYK | cmyk(74.1%, 55%, 0%, 13.7%) |
| CIE-LAB | lab(45.58, 27.25, -66.10) |
| CIE-LCH | lch(45.58, 71.50, 292.41°) |
| OKLab | oklab(54.08% -0.0142 -0.1906) |
| OKLCH | oklch(54.08% 0.191 265.7) |
| XYZ | xyz(19.0629, 14.9588, 69.5789) |
| Luminance | 0.1496 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 2.22
Azul
#1D5DEC
ΔE00 2.59
Bright Blue
#0165FC
ΔE00 3.72
Cornflower Blue
#5170D7
ΔE00 4.71
Warm Blue
#4B57DB
ΔE00 4.98
Cerulean Blue
#056EEE
ΔE00 5.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3963DC #DCB239
analogous
#39B5DC #3963DC #6139DC
triadic
#3963DC #DC3963 #63DC39
tetradic
#3963DC #DC39B5 #DCB239 #39DC61
square
#3963DC #DC39B5 #DCB239 #39DC61
split-complementary
#3963DC #DC6139 #B5DC39
monochromatic
#173383 #2047B7 #3963DC #6D8CE5 #A1B5EE
Accessibility & contrast
On white
5.26
#3963DC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#3963DC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3963DC
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3963DC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3963DC | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0074E0
Deuteranopia (green-blind)
#0065DA
Tritanopia (blue-blind)
#008196
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #3963dc; /* rgb */ color: rgb(57, 99, 220); /* oklch */ color: oklch(54.1% 0.191 265.7);
Tailwind
colors: {
custom: {
50: '#858ee8',
500: '#3963dc',
950: '#000000',
},
}SCSS
$custom: #3963dc; $custom-light: #858ee8; $custom-dark: #000000;
JSON
{
"hex": "#3963dc",
"rgb": {
"r": 57,
"g": 99,
"b": 220
},
"hsl": {
"h": 224.54,
"s": 69.957,
"l": 54.314
},
"oklch": {
"l": 0.54081,
"c": 0.19109,
"h": 265.7
},
"luminance": 0.14961
}Semantic roles & 50–950 ramp
primary
#3963DC
secondary
#DBC996
accent
#BF3BED
background
#F9F8FE
surface
#F1F0FD
border
#CBCBD5
text
#0D0C16
muted
#7E7D84