#3949CC#3949CC
#3949CC is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 47.9% C 0.201 H 271.1°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).
Color values
| HEX | #3949CC |
|---|---|
| RGB | rgb(57, 73, 204) |
| HSL | hsl(233, 59%, 51%) |
| HSV | hsv(233, 72%, 80%) |
| CMYK | cmyk(72.1%, 64.2%, 0%, 20%) |
| CIE-LAB | lab(37.83, 37.97, -69.55) |
| CIE-LCH | lch(37.83, 79.24, 298.63°) |
| OKLab | oklab(47.93% 0.0038 -0.201) |
| OKLCH | oklch(47.93% 0.201 271.1) |
| XYZ | xyz(14.9653, 9.9930, 58.2552) |
| Luminance | 0.0999 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.71
Blue (survey)
#0343DF
ΔE00 3.13
Ocean Blue
#4F42B5
ΔE00 4.76
Warm Blue
#4B57DB
ΔE00 4.96
Blue With A Hint Of Purple
#533CC6
ΔE00 5.20
Blurple
#5539CC
ΔE00 5.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3949CC #CCBC39
analogous
#3992CC #3949CC #7239CC
triadic
#3949CC #CC3949 #49CC39
tetradic
#3949CC #CC3992 #CCBC39 #39CC72
square
#3949CC #CC3992 #CCBC39 #39CC72
split-complementary
#3949CC #CC7239 #92CC39
monochromatic
#1C256E #29369F #3949CC #6A76D9 #9AA2E5
Accessibility & contrast
On white
7.00
#3949CC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#3949CC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3949CC
7.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3949CC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3949CC | 1.00 | 7.00 | 3.00 | 7.00 |
| #FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0060D0
Deuteranopia (green-blind)
#0052CA
Tritanopia (blue-blind)
#006B84
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #3949cc; /* rgb */ color: rgb(57, 73, 204); /* oklch */ color: oklch(47.9% 0.201 271.1);
Tailwind
colors: {
custom: {
50: '#847cdd',
500: '#3949cc',
950: '#000000',
},
}SCSS
$custom: #3949cc; $custom-light: #847cdd; $custom-dark: #000000;
JSON
{
"hex": "#3949cc",
"rgb": {
"r": 57,
"g": 73,
"b": 204
},
"hsl": {
"h": 233.469,
"s": 59.036,
"l": 51.176
},
"oklch": {
"l": 0.47925,
"c": 0.20104,
"h": 271.1
},
"luminance": 0.09995
}Semantic roles & 50–950 ramp
primary
#3949CC
secondary
#D1CA90
accent
#D146E2
background
#F8F7FD
surface
#F0EEFB
border
#CBC9D4
text
#0C0915
muted
#7D7B83