#431D9C#431D9C
#431D9C is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.186 H 287.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).
Color values
| HEX | #431D9C |
|---|---|
| RGB | rgb(67, 29, 156) |
| HSL | hsl(258, 69%, 36%) |
| HSV | hsv(258, 81%, 61%) |
| CMYK | cmyk(57.1%, 81.4%, 0%, 38.8%) |
| CIE-LAB | lab(25.17, 48.32, -61.77) |
| CIE-LCH | lch(25.17, 78.43, 308.03°) |
| OKLab | oklab(37.7% 0.0552 -0.1778) |
| OKLCH | oklch(37.7% 0.186 287.2) |
| XYZ | xyz(8.7531, 4.4718, 31.8480) |
| Luminance | 0.0447 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.08
Ultramarine
#2000B1
ΔE00 5.16
Indigo (survey)
#380282
ΔE00 5.53
Royal
#0C1793
ΔE00 5.54
Cobalt Blue
#030AA7
ΔE00 5.56
Indigo
#4B0082
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#431D9C #769C1D
analogous
#1D379C #431D9C #831D9C
triadic
#431D9C #9C431D #1D9C43
tetradic
#431D9C #9C1D37 #769C1D #1D9C83
square
#431D9C #9C1D37 #769C1D #1D9C83
split-complementary
#431D9C #9C831D #379C1D
monochromatic
#170A35 #2D1368 #431D9C #5927D0 #7E54DF
Accessibility & contrast
On white
11.09
#431D9C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.89
#431D9C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #431D9C
11.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##431D9C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##431D9C | 1.00 | 11.09 | 1.89 | 11.09 |
| #FFFFFF | 11.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003F9F
Deuteranopia (green-blind)
#00389A
Tritanopia (blue-blind)
#1A435D
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #431d9c; /* rgb */ color: rgb(67, 29, 156); /* oklch */ color: oklch(37.7% 0.186 287.2);
Tailwind
colors: {
custom: {
50: '#825fba',
500: '#431d9c',
950: '#000000',
},
}SCSS
$custom: #431d9c; $custom-light: #825fba; $custom-dark: #000000;
JSON
{
"hex": "#431d9c",
"rgb": {
"r": 67,
"g": 29,
"b": 156
},
"hsl": {
"h": 257.953,
"s": 68.649,
"l": 36.275
},
"oklch": {
"l": 0.37697,
"c": 0.1862,
"h": 287.2
},
"luminance": 0.04472
}Semantic roles & 50–950 ramp
primary
#431D9C
secondary
#A1C252
accent
#EB3CB7
background
#F8F5FB
surface
#F0EAF6
border
#CBC6D0
text
#0C0512
muted
#7D7981