#5B188E#5B188E
#5B188E is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.7% C 0.178 H 304.7°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).
Color values
| HEX | #5B188E |
|---|---|
| RGB | rgb(91, 24, 142) |
| HSL | hsl(274, 71%, 33%) |
| HSV | hsv(274, 83%, 56%) |
| CMYK | cmyk(35.9%, 83.1%, 0%, 44.3%) |
| CIE-LAB | lab(26.25, 50.13, -51.27) |
| CIE-LCH | lch(26.25, 71.70, 314.36°) |
| OKLab | oklab(38.72% 0.1011 -0.1462) |
| OKLCH | oklch(38.72% 0.178 304.7) |
| XYZ | xyz(9.5224, 4.8305, 26.0167) |
| Luminance | 0.0483 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.19
Rebeccapurple
#663399
ΔE00 5.61
Royal Purple (survey)
#4B006E
ΔE00 6.12
Indigo (survey)
#380282
ΔE00 6.58
Purple (survey)
#7E1E9C
ΔE00 6.71
Indigo Blue
#3A18B1
ΔE00 7.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B188E #4B8E18
analogous
#20188E #5B188E #8E1886
triadic
#5B188E #8E5B18 #188E5B
tetradic
#5B188E #8E2018 #4B8E18 #18868E
square
#5B188E #8E2018 #4B8E18 #18868E
split-complementary
#5B188E #868E18 #188E20
monochromatic
#180625 #390F5A #5B188E #7D21C2 #9B41DF
Accessibility & contrast
On white
10.68
#5B188E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.97
#5B188E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #5B188E
10.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B188E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B188E | 1.00 | 10.68 | 1.97 | 10.68 |
| #FFFFFF | 10.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003D91
Deuteranopia (green-blind)
#003E8C
Tritanopia (blue-blind)
#513854
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #5b188e; /* rgb */ color: rgb(91, 24, 142); /* oklch */ color: oklch(38.7% 0.178 304.7);
Tailwind
colors: {
custom: {
50: '#8f5fb0',
500: '#5b188e',
950: '#000000',
},
}SCSS
$custom: #5b188e; $custom-light: #8f5fb0; $custom-dark: #000000;
JSON
{
"hex": "#5b188e",
"rgb": {
"r": 91,
"g": 24,
"b": 142
},
"hsl": {
"h": 274.068,
"s": 71.084,
"l": 32.549
},
"oklch": {
"l": 0.38716,
"c": 0.17772,
"h": 304.7
},
"luminance": 0.0483
}Semantic roles & 50–950 ramp
primary
#5B188E
secondary
#78C042
accent
#EE3A88
background
#F9F5FA
surface
#F1EAF5
border
#CBC6CF
text
#0D0511
muted
#7E7980