#4023A4#4023A4
#4023A4 is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.9% C 0.190 H 283.4°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).
Color values
| HEX | #4023A4 |
|---|---|
| RGB | rgb(64, 35, 164) |
| HSL | hsl(253, 65%, 39%) |
| HSV | hsv(253, 79%, 64%) |
| CMYK | cmyk(61%, 78.7%, 0%, 35.7%) |
| CIE-LAB | lab(26.65, 47.49, -64.21) |
| CIE-LCH | lch(26.65, 79.86, 306.48°) |
| OKLab | oklab(38.9% 0.0442 -0.1851) |
| OKLCH | oklch(38.9% 0.19 283.4) |
| XYZ | xyz(9.4142, 4.9718, 35.5783) |
| Luminance | 0.0497 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.46
Ultramarine
#2000B1
ΔE00 5.28
Violet Blue
#510AC9
ΔE00 5.59
Cobalt Blue
#030AA7
ΔE00 5.70
Royal
#0C1793
ΔE00 5.79
Royal Blue (survey)
#0504AA
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4023A4 #87A423
analogous
#2347A4 #4023A4 #8123A4
triadic
#4023A4 #A44023 #23A440
tetradic
#4023A4 #A42347 #87A423 #23A481
square
#4023A4 #A42347 #87A423 #23A481
split-complementary
#4023A4 #A48123 #47A423
monochromatic
#190D3F #2C1872 #4023A4 #5631D3 #7F64DE
Accessibility & contrast
On white
10.53
#4023A4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#4023A4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4023A4
10.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4023A4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4023A4 | 1.00 | 10.53 | 1.99 | 10.53 |
| #FFFFFF | 10.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0043A8
Deuteranopia (green-blind)
#003BA2
Tritanopia (blue-blind)
#004963
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #4023a4; /* rgb */ color: rgb(64, 35, 164); /* oklch */ color: oklch(38.9% 0.190 283.4);
Tailwind
colors: {
custom: {
50: '#8262c0',
500: '#4023a4',
950: '#000000',
},
}SCSS
$custom: #4023a4; $custom-light: #8262c0; $custom-dark: #000000;
JSON
{
"hex": "#4023a4",
"rgb": {
"r": 64,
"g": 35,
"b": 164
},
"hsl": {
"h": 253.488,
"s": 64.824,
"l": 39.02
},
"oklch": {
"l": 0.389,
"c": 0.19032,
"h": 283.4
},
"luminance": 0.04972
}Semantic roles & 50–950 ramp
primary
#4023A4
secondary
#ADC360
accent
#E840C2
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0512
muted
#7D7A81