#3F44AE#3F44AE
#3F44AE is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.166 H 275.4°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3F44AE |
|---|---|
| RGB | rgb(63, 68, 174) |
| HSL | hsl(237, 47%, 46%) |
| HSV | hsv(237, 64%, 68%) |
| CMYK | cmyk(63.8%, 60.9%, 0%, 31.8%) |
| CIE-LAB | lab(34.49, 31.48, -57.38) |
| CIE-LCH | lch(34.49, 65.45, 298.75°) |
| OKLab | oklab(44.79% 0.0156 -0.1652) |
| OKLCH | oklch(44.79% 0.166 275.4) |
| XYZ | xyz(11.7545, 8.2460, 41.0084) |
| Luminance | 0.0825 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.98
Blue Blue
#2242C7
ΔE00 3.96
Blueberry
#464196
ΔE00 4.07
Sapphire (survey)
#2138AB
ΔE00 4.25
Blue With A Hint Of Purple
#533CC6
ΔE00 5.39
Cobalt
#0047AB
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F44AE #AEA93F
analogous
#3F7CAE #3F44AE #723FAE
triadic
#3F44AE #AE3F44 #44AE3F
tetradic
#3F44AE #AE3F7C #AEA93F #3FAE72
square
#3F44AE #AE3F7C #AEA93F #3FAE72
split-complementary
#3F44AE #AE723F #7CAE3F
monochromatic
#1E2154 #2F3281 #3F44AE #6468C7 #9094D7
Accessibility & contrast
On white
7.93
#3F44AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#3F44AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F44AE
7.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F44AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F44AE | 1.00 | 7.93 | 2.65 | 7.93 |
| #FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B1
Deuteranopia (green-blind)
#004CAC
Tritanopia (blue-blind)
#005E72
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3f44ae; /* rgb */ color: rgb(63, 68, 174); /* oklch */ color: oklch(44.8% 0.166 275.4);
Tailwind
colors: {
custom: {
50: '#8078c7',
500: '#3f44ae',
950: '#000000',
},
}SCSS
$custom: #3f44ae; $custom-light: #8078c7; $custom-dark: #000000;
JSON
{
"hex": "#3f44ae",
"rgb": {
"r": 63,
"g": 68,
"b": 174
},
"hsl": {
"h": 237.297,
"s": 46.835,
"l": 46.471
},
"oklch": {
"l": 0.44793,
"c": 0.16591,
"h": 275.4
},
"luminance": 0.08247
}Semantic roles & 50–950 ramp
primary
#3F44AE
secondary
#C2BF87
accent
#D051D6
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82