#3940BC#3940BC
#3940BC is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.191 H 273.3°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).
Color values
| HEX | #3940BC |
|---|---|
| RGB | rgb(57, 64, 188) |
| HSL | hsl(237, 53%, 48%) |
| HSV | hsv(237, 70%, 74%) |
| CMYK | cmyk(69.7%, 66%, 0%, 26.3%) |
| CIE-LAB | lab(34.33, 37.98, -65.95) |
| CIE-LCH | lch(34.33, 76.11, 299.94°) |
| OKLab | oklab(44.94% 0.0109 -0.1905) |
| OKLCH | oklch(44.94% 0.191 273.3) |
| XYZ | xyz(12.5948, 8.1663, 48.4797) |
| Luminance | 0.0817 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.37
Ocean Blue
#4F42B5
ΔE00 3.09
Sapphire (survey)
#2138AB
ΔE00 3.92
Blue With A Hint Of Purple
#533CC6
ΔE00 4.12
Blue (survey)
#0343DF
ΔE00 4.69
Blurple
#5539CC
ΔE00 4.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3940BC #BCB539
analogous
#3981BC #3940BC #7339BC
triadic
#3940BC #BC3940 #40BC39
tetradic
#3940BC #BC3981 #BCB539 #39BC73
square
#3940BC #BC3981 #BCB539 #39BC73
split-complementary
#3940BC #BC7339 #81BC39
monochromatic
#1D205E #2B308D #3940BC #6368D0 #9296DE
Accessibility & contrast
On white
7.97
#3940BC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#3940BC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3940BC
7.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3940BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3940BC | 1.00 | 7.97 | 2.63 | 7.97 |
| #FFFFFF | 7.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057C0
Deuteranopia (green-blind)
#004BBA
Tritanopia (blue-blind)
#006178
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #3940bc; /* rgb */ color: rgb(57, 64, 188); /* oklch */ color: oklch(44.9% 0.191 273.3);
Tailwind
colors: {
custom: {
50: '#8175d1',
500: '#3940bc',
950: '#000000',
},
}SCSS
$custom: #3940bc; $custom-light: #8175d1; $custom-dark: #000000;
JSON
{
"hex": "#3940bc",
"rgb": {
"r": 57,
"g": 64,
"b": 188
},
"hsl": {
"h": 236.794,
"s": 53.469,
"l": 48.039
},
"oklch": {
"l": 0.44937,
"c": 0.19081,
"h": 273.3
},
"luminance": 0.08167
}Semantic roles & 50–950 ramp
primary
#3940BC
secondary
#C9C588
accent
#D54BDD
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83