#431E99#431E99
#431E99 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.182 H 287.8°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).
Color values
| HEX | #431E99 |
|---|---|
| RGB | rgb(67, 30, 153) |
| HSL | hsl(258, 67%, 36%) |
| HSV | hsv(258, 80%, 60%) |
| CMYK | cmyk(56.2%, 80.4%, 0%, 40%) |
| CIE-LAB | lab(25.02, 47.03, -60.19) |
| CIE-LCH | lch(25.02, 76.39, 308.00°) |
| OKLab | oklab(37.5% 0.0555 -0.1732) |
| OKLCH | oklch(37.5% 0.182 287.8) |
| XYZ | xyz(8.5271, 4.4213, 30.5349) |
| Luminance | 0.0442 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.52
Indigo (survey)
#380282
ΔE00 5.37
Ultramarine
#2000B1
ΔE00 5.50
Royal
#0C1793
ΔE00 5.53
Indigo
#4B0082
ΔE00 5.55
Cobalt Blue
#030AA7
ΔE00 5.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#431E99 #74991E
analogous
#1E3699 #431E99 #801E99
triadic
#431E99 #99431E #1E9943
tetradic
#431E99 #991E36 #74991E #1E9980
square
#431E99 #991E36 #74991E #1E9980
split-complementary
#431E99 #99801E #36991E
monochromatic
#160A33 #2D1466 #431E99 #5928CC #7D54DD
Accessibility & contrast
On white
11.14
#431E99 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.88
#431E99 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #431E99
11.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##431E99 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##431E99 | 1.00 | 11.14 | 1.88 | 11.14 |
| #FFFFFF | 11.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003E9C
Deuteranopia (green-blind)
#003897
Tritanopia (blue-blind)
#1D425C
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #431e99; /* rgb */ color: rgb(67, 30, 153); /* oklch */ color: oklch(37.5% 0.182 287.8);
Tailwind
colors: {
custom: {
50: '#825fb8',
500: '#431e99',
950: '#000000',
},
}SCSS
$custom: #431e99; $custom-light: #825fb8; $custom-dark: #000000;
JSON
{
"hex": "#431e99",
"rgb": {
"r": 67,
"g": 30,
"b": 153
},
"hsl": {
"h": 258.049,
"s": 67.213,
"l": 35.882
},
"oklch": {
"l": 0.37496,
"c": 0.1819,
"h": 287.8
},
"luminance": 0.04422
}Semantic roles & 50–950 ramp
primary
#431E99
secondary
#9FC152
accent
#EA3EB6
background
#F8F5FB
surface
#F0EAF6
border
#CBC6D0
text
#0C0512
muted
#7D7981