#4137EE#4137EE
#4137EE is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 49.1% C 0.258 H 273.8°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4137EE |
|---|---|
| RGB | rgb(65, 55, 238) |
| HSL | hsl(243, 84%, 57%) |
| HSV | hsv(243, 77%, 93%) |
| CMYK | cmyk(72.7%, 76.9%, 0%, 6.7%) |
| CIE-LAB | lab(37.89, 59.93, -88.90) |
| CIE-LCH | lch(37.89, 107.22, 303.98°) |
| OKLab | oklab(49.07% 0.0169 -0.2572) |
| OKLCH | oklch(49.07% 0.258 273.8) |
| XYZ | xyz(18.9736, 10.0273, 81.8079) |
| Luminance | 0.1003 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Light Royal Blue
#3A2EFE
ΔE00 1.97
Vivid Blue
#152EFF
ΔE00 2.57
Vibrant Blue
#0339F8
ΔE00 2.59
Purpley Blue
#5F34E7
ΔE00 3.10
Purpleish Blue
#6140EF
ΔE00 4.03
Blurple
#5539CC
ΔE00 4.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4137EE #E4EE37
analogous
#3788EE #4137EE #9D37EE
triadic
#4137EE #EE4137 #37EE41
tetradic
#4137EE #EE3788 #E4EE37 #37EE9D
square
#4137EE #EE3788 #E4EE37 #37EE9D
split-complementary
#4137EE #EE9D37 #88EE37
monochromatic
#150D9D #1D12D6 #4137EE #776FF3 #ACA8F8
Accessibility & contrast
On white
6.99
#4137EE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.01
#4137EE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4137EE
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4137EE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4137EE | 1.00 | 6.99 | 3.01 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0062F3
Deuteranopia (green-blind)
#0050EB
Tritanopia (blue-blind)
#006F92
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #4137ee; /* rgb */ color: rgb(65, 55, 238); /* oklch */ color: oklch(49.1% 0.258 273.8);
Tailwind
colors: {
custom: {
50: '#9072f5',
500: '#4137ee',
950: '#000000',
},
}SCSS
$custom: #4137ee; $custom-light: #9072f5; $custom-dark: #000000;
JSON
{
"hex": "#4137ee",
"rgb": {
"r": 65,
"g": 55,
"b": 238
},
"hsl": {
"h": 243.279,
"s": 84.332,
"l": 57.451
},
"oklch": {
"l": 0.49067,
"c": 0.25775,
"h": 273.8
},
"luminance": 0.10029
}Semantic roles & 50–950 ramp
primary
#4137EE
secondary
#E1E59B
accent
#FB2DEF
background
#F9F7FF
surface
#F2EDFF
border
#CCC8D7
text
#0F0817
muted
#7E7B85