#3F4CC0#3F4CC0
#3F4CC0 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.8% C 0.180 H 272.7°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3F4CC0 |
|---|---|
| RGB | rgb(63, 76, 192) |
| HSL | hsl(234, 51%, 50%) |
| HSV | hsv(234, 67%, 75%) |
| CMYK | cmyk(67.2%, 60.4%, 0%, 24.7%) |
| CIE-LAB | lab(37.90, 32.66, -62.45) |
| CIE-LCH | lch(37.90, 70.47, 297.61°) |
| OKLab | oklab(47.76% 0.0084 -0.18) |
| OKLCH | oklch(47.76% 0.18 272.7) |
| XYZ | xyz(14.1456, 10.0301, 51.0495) |
| Luminance | 0.1003 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.52
Ocean Blue
#4F42B5
ΔE00 4.41
Blue (survey)
#0343DF
ΔE00 4.77
Warm Blue
#4B57DB
ΔE00 5.15
Sapphire
#0F52BA
ΔE00 5.79
Blue With A Hint Of Purple
#533CC6
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F4CC0 #C0B33F
analogous
#3F8DC0 #3F4CC0 #723FC0
triadic
#3F4CC0 #C03F4C #4CC03F
tetradic
#3F4CC0 #C03F8D #C0B33F #3FC072
square
#3F4CC0 #C03F8D #C0B33F #3FC072
split-complementary
#3F4CC0 #C0723F #8DC03F
monochromatic
#212864 #303A92 #3F4CC0 #6D77CF #9BA2DE
Accessibility & contrast
On white
6.99
#3F4CC0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.01
#3F4CC0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F4CC0
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F4CC0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F4CC0 | 1.00 | 6.99 | 3.01 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005FC4
Deuteranopia (green-blind)
#0053BE
Tritanopia (blue-blind)
#00697E
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #3f4cc0; /* rgb */ color: rgb(63, 76, 192); /* oklch */ color: oklch(47.8% 0.180 272.7);
Tailwind
colors: {
custom: {
50: '#837ed4',
500: '#3f4cc0',
950: '#000000',
},
}SCSS
$custom: #3f4cc0; $custom-light: #837ed4; $custom-dark: #000000;
JSON
{
"hex": "#3f4cc0",
"rgb": {
"r": 63,
"g": 76,
"b": 192
},
"hsl": {
"h": 233.953,
"s": 50.588,
"l": 50
},
"oklch": {
"l": 0.47756,
"c": 0.18019,
"h": 272.7
},
"luminance": 0.10031
}Semantic roles & 50–950 ramp
primary
#3F4CC0
secondary
#CAC491
accent
#CC4EDA
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0914
muted
#7D7B83