#4023B2#4023B2
#4023B2 is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.4% C 0.206 H 281.2°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4023B2 |
|---|---|
| RGB | rgb(64, 35, 178) |
| HSL | hsl(252, 67%, 42%) |
| HSV | hsv(252, 80%, 70%) |
| CMYK | cmyk(64%, 80.3%, 0%, 30.2%) |
| CIE-LAB | lab(28.13, 51.58, -70.20) |
| CIE-LCH | lch(28.13, 87.11, 306.31°) |
| OKLab | oklab(40.36% 0.0399 -0.2026) |
| OKLCH | oklch(40.36% 0.206 281.2) |
| XYZ | xyz(10.7487, 5.5056, 42.6071) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 1.92
Violet Blue
#510AC9
ΔE00 4.13
True Blue
#010FCC
ΔE00 4.72
Ultramarine
#2000B1
ΔE00 5.21
Mediumblue
#0000CD
ΔE00 5.34
Ultramarine Blue
#1805DB
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4023B2 #95B223
analogous
#234EB2 #4023B2 #8823B2
triadic
#4023B2 #B24023 #23B240
tetradic
#4023B2 #B2234E #95B223 #23B288
square
#4023B2 #B2234E #95B223 #23B288
split-complementary
#4023B2 #B28823 #4EB223
monochromatic
#1B0F4C #2E197F #4023B2 #5A3AD8 #856DE2
Accessibility & contrast
On white
9.99
#4023B2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#4023B2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4023B2
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4023B2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4023B2 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0047B6
Deuteranopia (green-blind)
#003DB0
Tritanopia (blue-blind)
#004F6B
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #4023b2; /* rgb */ color: rgb(64, 35, 178); /* oklch */ color: oklch(40.4% 0.206 281.2);
Tailwind
colors: {
custom: {
50: '#8463ca',
500: '#4023b2',
950: '#000000',
},
}SCSS
$custom: #4023b2; $custom-light: #8463ca; $custom-dark: #000000;
JSON
{
"hex": "#4023b2",
"rgb": {
"r": 64,
"g": 35,
"b": 178
},
"hsl": {
"h": 252.168,
"s": 67.136,
"l": 41.765
},
"oklch": {
"l": 0.40364,
"c": 0.20649,
"h": 281.2
},
"luminance": 0.05506
}Semantic roles & 50–950 ramp
primary
#4023B2
secondary
#B5C968
accent
#EA3EC7
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0613
muted
#7D7A82