#3D66CE#3D66CE
#3D66CE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.8% C 0.168 H 265.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #3D66CE |
|---|---|
| RGB | rgb(61, 102, 206) |
| HSL | hsl(223, 60%, 52%) |
| HSV | hsv(223, 70%, 81%) |
| CMYK | cmyk(70.4%, 50.5%, 0%, 19.2%) |
| CIE-LAB | lab(45.56, 20.77, -58.12) |
| CIE-LCH | lch(45.56, 61.72, 289.66°) |
| OKLab | oklab(53.81% -0.0145 -0.167) |
| OKLCH | oklch(53.81% 0.168 265) |
| XYZ | xyz(17.8125, 14.9492, 60.3273) |
| Luminance | 0.1495 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 2.80
Cornflower Blue
#5170D7
ΔE00 4.24
French Blue
#436BAD
ΔE00 4.37
Azul
#1D5DEC
ΔE00 4.41
Denim
#1560BD
ΔE00 4.95
Bright Blue
#0165FC
ΔE00 5.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3D66CE #CEA53D
analogous
#3DAFCE #3D66CE #5C3DCE
triadic
#3D66CE #CE3D66 #66CE3D
tetradic
#3D66CE #CE3DAF #CEA53D #3DCE5C
square
#3D66CE #CE3DAF #CEA53D #3DCE5C
split-complementary
#3D66CE #CE5C3D #AFCE3D
monochromatic
#1D3673 #294CA4 #3D66CE #6E8DDA #9FB3E7
Accessibility & contrast
On white
5.26
#3D66CE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#3D66CE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3D66CE
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3D66CE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3D66CE | 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)
#2773D2
Deuteranopia (green-blind)
#0066CC
Tritanopia (blue-blind)
#007F90
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #3d66ce; /* rgb */ color: rgb(61, 102, 206); /* oklch */ color: oklch(53.8% 0.168 265.0);
Tailwind
colors: {
custom: {
50: '#8491de',
500: '#3d66ce',
950: '#000000',
},
}SCSS
$custom: #3d66ce; $custom-light: #8491de; $custom-dark: #000000;
JSON
{
"hex": "#3d66ce",
"rgb": {
"r": 61,
"g": 102,
"b": 206
},
"hsl": {
"h": 223.034,
"s": 59.671,
"l": 52.353
},
"oklch": {
"l": 0.53808,
"c": 0.16759,
"h": 265
},
"luminance": 0.14951
}Semantic roles & 50–950 ramp
primary
#3D66CE
secondary
#D3C194
accent
#B645E3
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83