#451B8E#451B8E
#451B8E is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.172 H 292.0°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).
Color values
| HEX | #451B8E |
|---|---|
| RGB | rgb(69, 27, 142) |
| HSL | hsl(262, 68%, 33%) |
| HSV | hsv(262, 81%, 56%) |
| CMYK | cmyk(51.4%, 81%, 0%, 44.3%) |
| CIE-LAB | lab(23.68, 45.58, -55.59) |
| CIE-LCH | lch(23.68, 71.89, 309.35°) |
| OKLab | oklab(36.28% 0.0644 -0.1597) |
| OKLCH | oklch(36.28% 0.172 292) |
| XYZ | xyz(7.7273, 4.0018, 25.9512) |
| Luminance | 0.0400 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.02
Indigo (survey)
#380282
ΔE00 4.20
Indigo Blue
#3A18B1
ΔE00 5.18
Royal
#0C1793
ΔE00 5.98
Ultramarine
#2000B1
ΔE00 6.55
Cobalt Blue
#030AA7
ΔE00 6.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#451B8E #648E1B
analogous
#1B2A8E #451B8E #7E1B8E
triadic
#451B8E #8E451B #1B8E45
tetradic
#451B8E #8E1B2A #648E1B #1B8E7E
square
#451B8E #8E1B2A #648E1B #1B8E7E
split-complementary
#451B8E #8E7E1B #2A8E1B
monochromatic
#130727 #2C115B #451B8E #5E25C1 #7E47DC
Accessibility & contrast
On white
11.66
#451B8E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.80
#451B8E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #451B8E
11.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##451B8E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##451B8E | 1.00 | 11.66 | 1.80 | 11.66 |
| #FFFFFF | 11.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.80 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003A91
Deuteranopia (green-blind)
#00368C
Tritanopia (blue-blind)
#2C3C55
Achromatopsia (no color)
#383838
Design tokens & code
CSS
--color: #451b8e; /* rgb */ color: rgb(69, 27, 142); /* oklch */ color: oklch(36.3% 0.172 292.0);
Tailwind
colors: {
custom: {
50: '#815db0',
500: '#451b8e',
950: '#000000',
},
}SCSS
$custom: #451b8e; $custom-light: #815db0; $custom-dark: #000000;
JSON
{
"hex": "#451b8e",
"rgb": {
"r": 69,
"g": 27,
"b": 142
},
"hsl": {
"h": 261.913,
"s": 68.047,
"l": 33.137
},
"oklch": {
"l": 0.36284,
"c": 0.17219,
"h": 292
},
"luminance": 0.04002
}Semantic roles & 50–950 ramp
primary
#451B8E
secondary
#92BE47
accent
#EB3DAB
background
#F8F5FB
surface
#EFE9F6
border
#CAC5D0
text
#0B0411
muted
#7C7980