#3944B0#3944B0
#3944B0 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.6% C 0.170 H 272.9°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3944B0 |
|---|---|
| RGB | rgb(57, 68, 176) |
| HSL | hsl(234, 51%, 46%) |
| HSV | hsv(234, 68%, 69%) |
| CMYK | cmyk(67.6%, 61.4%, 0%, 31%) |
| CIE-LAB | lab(34.27, 31.26, -58.95) |
| CIE-LCH | lch(34.27, 66.72, 297.94°) |
| OKLab | oklab(44.58% 0.0086 -0.1699) |
| OKLCH | oklch(44.58% 0.17 272.9) |
| XYZ | xyz(11.5883, 8.1376, 42.0259) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 3.33
Ocean Blue
#4F42B5
ΔE00 3.66
Sapphire (survey)
#2138AB
ΔE00 3.87
Blueberry
#464196
ΔE00 4.67
Cobalt
#0047AB
ΔE00 5.30
Blue With A Hint Of Purple
#533CC6
ΔE00 5.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3944B0 #B0A539
analogous
#397FB0 #3944B0 #6939B0
triadic
#3944B0 #B03944 #44B039
tetradic
#3944B0 #B0397F #B0A539 #39B069
square
#3944B0 #B0397F #B0A539 #39B069
split-complementary
#3944B0 #B06939 #7FB039
monochromatic
#1B2054 #2A3282 #3944B0 #5C66CA #8A92D9
Accessibility & contrast
On white
7.99
#3944B0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3944B0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3944B0
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3944B0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3944B0 | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B4
Deuteranopia (green-blind)
#004BAE
Tritanopia (blue-blind)
#005F73
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3944b0; /* rgb */ color: rgb(57, 68, 176); /* oklch */ color: oklch(44.6% 0.170 272.9);
Tailwind
colors: {
custom: {
50: '#7e78c8',
500: '#3944b0',
950: '#000000',
},
}SCSS
$custom: #3944b0; $custom-light: #7e78c8; $custom-dark: #000000;
JSON
{
"hex": "#3944b0",
"rgb": {
"r": 57,
"g": 68,
"b": 176
},
"hsl": {
"h": 234.454,
"s": 51.073,
"l": 45.686
},
"oklch": {
"l": 0.44578,
"c": 0.17017,
"h": 272.9
},
"luminance": 0.08139
}Semantic roles & 50–950 ramp
primary
#3944B0
secondary
#C4BD81
accent
#CD4DDB
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82