#4042E2#4042E2
#4042E2 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.3% C 0.234 H 273.2°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).
Color values
| HEX | #4042E2 |
|---|---|
| RGB | rgb(64, 66, 226) |
| HSL | hsl(239, 74%, 57%) |
| HSV | hsv(239, 72%, 89%) |
| CMYK | cmyk(71.7%, 70.8%, 0%, 11.4%) |
| CIE-LAB | lab(38.68, 50.28, -80.78) |
| CIE-LCH | lch(38.68, 95.15, 301.90°) |
| OKLab | oklab(49.26% 0.013 -0.2337) |
| OKLCH | oklch(49.26% 0.234 273.2) |
| XYZ | xyz(17.7854, 10.4756, 73.0214) |
| Luminance | 0.1048 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Vibrant Blue
#0339F8
ΔE00 3.27
Blue (survey)
#0343DF
ΔE00 3.49
Blurple
#5539CC
ΔE00 4.25
Blue With A Hint Of Purple
#533CC6
ΔE00 4.35
Purpleish Blue
#6140EF
ΔE00 4.37
Light Royal Blue
#3A2EFE
ΔE00 4.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4042E2 #E2E040
analogous
#4093E2 #4042E2 #8F40E2
triadic
#4042E2 #E24042 #42E240
tetradic
#4042E2 #E24093 #E2E040 #40E28F
square
#4042E2 #E24093 #E2E040 #40E28F
split-complementary
#4042E2 #E28F40 #93E240
monochromatic
#161892 #1E20C7 #4042E2 #7577EA #AAABF2
Accessibility & contrast
On white
6.78
#4042E2 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.10
#4042E2 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4042E2
6.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4042E2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4042E2 | 1.00 | 6.78 | 3.10 | 6.78 |
| #FFFFFF | 6.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0063E7
Deuteranopia (green-blind)
#0053DF
Tritanopia (blue-blind)
#006F8E
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #4042e2; /* rgb */ color: rgb(64, 66, 226); /* oklch */ color: oklch(49.3% 0.234 273.2);
Tailwind
colors: {
custom: {
50: '#8c78ec',
500: '#4042e2',
950: '#000000',
},
}SCSS
$custom: #4042e2; $custom-light: #8c78ec; $custom-dark: #000000;
JSON
{
"hex": "#4042e2",
"rgb": {
"r": 64,
"g": 66,
"b": 226
},
"hsl": {
"h": 239.259,
"s": 73.636,
"l": 56.863
},
"oklch": {
"l": 0.49255,
"c": 0.23403,
"h": 273.2
},
"luminance": 0.10477
}Semantic roles & 50–950 ramp
primary
#4042E2
secondary
#E0DF9E
accent
#EE38F0
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0916
muted
#7E7B84