#3F69CE#3F69CE
#3F69CE is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.5% C 0.163 H 264.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #3F69CE |
|---|---|
| RGB | rgb(63, 105, 206) |
| HSL | hsl(222, 59%, 53%) |
| HSV | hsv(222, 69%, 81%) |
| CMYK | cmyk(69.4%, 49%, 0%, 19.2%) |
| CIE-LAB | lab(46.46, 19.15, -56.66) |
| CIE-LCH | lch(46.46, 59.81, 288.67°) |
| OKLab | oklab(54.52% -0.0154 -0.1626) |
| OKLCH | oklch(54.52% 0.163 264.6) |
| XYZ | xyz(18.2381, 15.6143, 60.4332) |
| Luminance | 0.1562 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 2.60
Cornflower Blue
#5170D7
ΔE00 3.50
French Blue
#436BAD
ΔE00 4.06
Cerulean Blue
#056EEE
ΔE00 4.52
Azul
#1D5DEC
ΔE00 5.09
Bright Blue
#0165FC
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F69CE #CEA43F
analogous
#3FB0CE #3F69CE #5D3FCE
triadic
#3F69CE #CE3F69 #69CE3F
tetradic
#3F69CE #CE3FB0 #CEA43F #3FCE5D
square
#3F69CE #CE3FB0 #CEA43F #3FCE5D
split-complementary
#3F69CE #CE5D3F #B0CE3F
monochromatic
#1E3775 #2A4EA6 #3F69CE #708FDA #A1B5E7
Accessibility & contrast
On white
5.09
#3F69CE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#3F69CE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F69CE
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F69CE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F69CE | 1.00 | 5.09 | 4.12 | 5.09 |
| #FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3075D2
Deuteranopia (green-blind)
#0068CC
Tritanopia (blue-blind)
#008192
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #3f69ce; /* rgb */ color: rgb(63, 105, 206); /* oklch */ color: oklch(54.5% 0.163 264.6);
Tailwind
colors: {
custom: {
50: '#8593de',
500: '#3f69ce',
950: '#000000',
},
}SCSS
$custom: #3f69ce; $custom-light: #8593de; $custom-dark: #000000;
JSON
{
"hex": "#3f69ce",
"rgb": {
"r": 63,
"g": 105,
"b": 206
},
"hsl": {
"h": 222.378,
"s": 59.336,
"l": 52.745
},
"oklch": {
"l": 0.54517,
"c": 0.16333,
"h": 264.6
},
"luminance": 0.15616
}Semantic roles & 50–950 ramp
primary
#3F69CE
secondary
#D3C195
accent
#B445E3
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83