#431BA1#431BA1
#431BA1 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 38.0% C 0.193 H 286.4°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #431BA1 |
|---|---|
| RGB | rgb(67, 27, 161) |
| HSL | hsl(258, 71%, 37%) |
| HSV | hsv(258, 83%, 63%) |
| CMYK | cmyk(58.4%, 83.2%, 0%, 36.9%) |
| CIE-LAB | lab(25.41, 50.56, -64.43) |
| CIE-LCH | lch(25.41, 81.90, 308.12°) |
| OKLab | oklab(38.02% 0.0546 -0.1856) |
| OKLCH | oklch(38.02% 0.193 286.4) |
| XYZ | xyz(9.1378, 4.5498, 34.1080) |
| Luminance | 0.0455 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.38
Ultramarine
#2000B1
ΔE00 4.64
Cobalt Blue
#030AA7
ΔE00 5.26
Royal Blue (survey)
#0504AA
ΔE00 5.39
Violet Blue
#510AC9
ΔE00 5.50
Royal
#0C1793
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#431BA1 #79A11B
analogous
#1B36A1 #431BA1 #861BA1
triadic
#431BA1 #A1431B #1BA143
tetradic
#431BA1 #A11B36 #79A11B #1BA186
square
#431BA1 #A11B36 #79A11B #1BA186
split-complementary
#431BA1 #A1861B #36A11B
monochromatic
#170938 #2D126D #431BA1 #5924D5 #7F54E2
Accessibility & contrast
On white
10.99
#431BA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#431BA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #431BA1
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##431BA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##431BA1 | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003FA5
Deuteranopia (green-blind)
#00389F
Tritanopia (blue-blind)
#124460
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #431ba1; /* rgb */ color: rgb(67, 27, 161); /* oklch */ color: oklch(38.0% 0.193 286.4);
Tailwind
colors: {
custom: {
50: '#835ebe',
500: '#431ba1',
950: '#000000',
},
}SCSS
$custom: #431ba1; $custom-light: #835ebe; $custom-dark: #000000;
JSON
{
"hex": "#431ba1",
"rgb": {
"r": 67,
"g": 27,
"b": 161
},
"hsl": {
"h": 257.91,
"s": 71.277,
"l": 36.863
},
"oklch": {
"l": 0.38018,
"c": 0.19345,
"h": 286.4
},
"luminance": 0.0455
}Semantic roles & 50–950 ramp
primary
#431BA1
secondary
#A3C552
accent
#EE3AB8
background
#F8F5FB
surface
#F0E9F7
border
#CBC5D0
text
#0C0512
muted
#7D7981