#4140DD#4140DD
#4140DD is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.5% C 0.230 H 274.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4140DD |
|---|---|
| RGB | rgb(65, 64, 221) |
| HSL | hsl(240, 70%, 56%) |
| HSV | hsv(240, 71%, 87%) |
| CMYK | cmyk(70.6%, 71%, 0%, 13.3%) |
| CIE-LAB | lab(37.86, 49.89, -79.28) |
| CIE-LCH | lch(37.86, 93.67, 302.18°) |
| OKLab | oklab(48.54% 0.016 -0.2293) |
| OKLCH | oklch(48.54% 0.23 274) |
| XYZ | xyz(17.0602, 10.0094, 69.4255) |
| Luminance | 0.1001 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Vibrant Blue
#0339F8
ΔE00 3.47
Blue (survey)
#0343DF
ΔE00 3.54
Blurple
#5539CC
ΔE00 3.56
Blue With A Hint Of Purple
#533CC6
ΔE00 3.65
Purpley Blue
#5F34E7
ΔE00 4.42
Light Royal Blue
#3A2EFE
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4140DD #DCDD40
analogous
#408DDD #4140DD #8F40DD
triadic
#4140DD #DD4140 #40DD41
tetradic
#4140DD #DD408D #DCDD40 #40DD8F
square
#4140DD #DD408D #DCDD40 #40DD8F
split-complementary
#4140DD #DD8F40 #8DDD40
monochromatic
#19198A #2322BE #4140DD #7574E6 #A8A8EF
Accessibility & contrast
On white
6.99
#4140DD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#4140DD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4140DD
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4140DD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4140DD | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0060E2
Deuteranopia (green-blind)
#0052DA
Tritanopia (blue-blind)
#006C8A
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #4140dd; /* rgb */ color: rgb(65, 64, 221); /* oklch */ color: oklch(48.5% 0.230 274.0);
Tailwind
colors: {
custom: {
50: '#8b76e9',
500: '#4140dd',
950: '#000000',
},
}SCSS
$custom: #4140dd; $custom-light: #8b76e9; $custom-dark: #000000;
JSON
{
"hex": "#4140dd",
"rgb": {
"r": 65,
"g": 64,
"b": 221
},
"hsl": {
"h": 240.382,
"s": 69.778,
"l": 55.882
},
"oklch": {
"l": 0.48538,
"c": 0.22981,
"h": 274
},
"luminance": 0.10011
}Semantic roles & 50–950 ramp
primary
#4140DD
secondary
#DDDD9C
accent
#ED3BEB
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0916
muted
#7E7B84