#423BE1#423BE1
#423BE1 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.3% C 0.239 H 274.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).
Color values
| HEX | #423BE1 |
|---|---|
| RGB | rgb(66, 59, 225) |
| HSL | hsl(243, 73%, 56%) |
| HSV | hsv(243, 74%, 88%) |
| CMYK | cmyk(70.7%, 73.8%, 0%, 11.8%) |
| CIE-LAB | lab(37.34, 53.99, -82.43) |
| CIE-LCH | lch(37.34, 98.54, 303.22°) |
| OKLab | oklab(48.3% 0.019 -0.2384) |
| OKLCH | oklch(48.3% 0.239 274.6) |
| XYZ | xyz(17.3968, 9.7207, 72.1790) |
| Luminance | 0.0972 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Vibrant Blue
#0339F8
ΔE00 3.11
Blurple
#5539CC
ΔE00 3.23
Light Royal Blue
#3A2EFE
ΔE00 3.50
Purpley Blue
#5F34E7
ΔE00 3.61
Blue With A Hint Of Purple
#533CC6
ΔE00 3.64
Vivid Blue
#152EFF
ΔE00 3.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#423BE1 #DAE13B
analogous
#3B87E1 #423BE1 #953BE1
triadic
#423BE1 #E1423B #3BE142
tetradic
#423BE1 #E13B87 #DAE13B #3BE195
square
#423BE1 #E13B87 #DAE13B #3BE195
split-complementary
#423BE1 #E1953B #87E13B
monochromatic
#1A158C #241EC1 #423BE1 #7570E9 #A8A5F1
Accessibility & contrast
On white
7.13
#423BE1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.94
#423BE1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #423BE1
7.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##423BE1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##423BE1 | 1.00 | 7.13 | 2.94 | 7.13 |
| #FFFFFF | 7.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005FE6
Deuteranopia (green-blind)
#0050DE
Tritanopia (blue-blind)
#006B8B
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #423be1; /* rgb */ color: rgb(66, 59, 225); /* oklch */ color: oklch(48.3% 0.239 274.6);
Tailwind
colors: {
custom: {
50: '#8d73ec',
500: '#423be1',
950: '#000000',
},
}SCSS
$custom: #423be1; $custom-light: #8d73ec; $custom-dark: #000000;
JSON
{
"hex": "#423be1",
"rgb": {
"r": 66,
"g": 59,
"b": 225
},
"hsl": {
"h": 242.53,
"s": 73.451,
"l": 55.686
},
"oklch": {
"l": 0.48299,
"c": 0.23914,
"h": 274.6
},
"luminance": 0.09722
}Semantic roles & 50–950 ramp
primary
#423BE1
secondary
#DBDE99
accent
#F038E8
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84