#3940CE#3940CE
#3940CE is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.6% C 0.214 H 272.4°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).
Color values
| HEX | #3940CE |
|---|---|
| RGB | rgb(57, 64, 206) |
| HSL | hsl(237, 60%, 52%) |
| HSV | hsv(237, 72%, 81%) |
| CMYK | cmyk(72.3%, 68.9%, 0%, 19.2%) |
| CIE-LAB | lab(35.97, 44.13, -73.77) |
| CIE-LCH | lch(35.97, 85.96, 300.89°) |
| OKLab | oklab(46.63% 0.009 -0.2134) |
| OKLCH | oklch(46.63% 0.214 272.4) |
| XYZ | xyz(14.6576, 8.9914, 59.3436) |
| Luminance | 0.0899 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.57
Blue (survey)
#0343DF
ΔE00 3.10
Blue With A Hint Of Purple
#533CC6
ΔE00 3.48
Blurple
#5539CC
ΔE00 3.91
Ocean Blue
#4F42B5
ΔE00 4.10
Vibrant Blue
#0339F8
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3940CE #CEC739
analogous
#398BCE #3940CE #7D39CE
triadic
#3940CE #CE3940 #40CE39
tetradic
#3940CE #CE398B #CEC739 #39CE7D
square
#3940CE #CE398B #CEC739 #39CE7D
split-complementary
#3940CE #CE7D39 #8BCE39
monochromatic
#1C2071 #282EA2 #3940CE #6A6FDA #9B9FE6
Accessibility & contrast
On white
7.50
#3940CE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.80
#3940CE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3940CE
7.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3940CE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3940CE | 1.00 | 7.50 | 2.80 | 7.50 |
| #FFFFFF | 7.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CD2
Deuteranopia (green-blind)
#004ECB
Tritanopia (blue-blind)
#006782
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #3940ce; /* rgb */ color: rgb(57, 64, 206); /* oklch */ color: oklch(46.6% 0.214 272.4);
Tailwind
colors: {
custom: {
50: '#8576de',
500: '#3940ce',
950: '#000000',
},
}SCSS
$custom: #3940ce; $custom-light: #8576de; $custom-dark: #000000;
JSON
{
"hex": "#3940ce",
"rgb": {
"r": 57,
"g": 64,
"b": 206
},
"hsl": {
"h": 237.181,
"s": 60.324,
"l": 51.569
},
"oklch": {
"l": 0.46626,
"c": 0.21355,
"h": 272.4
},
"luminance": 0.08993
}Semantic roles & 50–950 ramp
primary
#3940CE
secondary
#D2CF91
accent
#DC44E3
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83