#451F6E
Closest named color: Royal Purple (#4B006E). oklch(33.8% 0.13 301.8), rgb(69, 31, 110).
Aa
White text reads best on this color (12.54:1).
About this color
#451F6E is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.130 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.042 away. White text reads best on it, at 12.54:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.67:1 |
| White text | 12.54:1 |
Values
| HEX | #451F6E |
| RGB | rgb(69, 31, 110) |
| HSL | hsl(269, 56%, 28%) |
| OKLCH | oklch(33.8% 0.13 301.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #451F6E | 12.54:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #451F6E | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #451F6E text on white | 12.54:1 | AAA | Lc 97.9 | Preferred for body text |
| #451F6E text on black | 1.67:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DFD1F8
oklch(88.4% 0.055 301.6)
-
Step 300
300
#CCB2F6
oklch(80.9% 0.098 301.8)
-
Step 400
400
#B386F1
oklch(70.7% 0.157 301.9)
-
Step 500
500
#A163EC
oklch(63.1% 0.2 301.8)
-
Step 600
600
#8D45DA
oklch(55.7% 0.217 301.8)
-
Step 700
700
#7834BD
oklch(49.1% 0.202 302)
-
Step 800
800
#612D99
oklch(42.6% 0.167 301.7)
-
Step 900
900 (this color)
#451F6E
oklch(33.8% 0.13 301.8)
-
Step 950
950
#2E1A47
oklch(27% 0.082 301.7)
#451F6E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #003370 | 0.096 |
| Deuteranopia (no green cones) | #00336C | 0.097 |
| Tritanopia (no blue cones) | #3C3144 | 0.095 |
| Achromatopsia (no color) | #333333 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #451F6E
#451F6E
oklch(33.8% 0.13 301.8)
- #313E00
#313E00
oklch(34% 0.082 121.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #451F6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.042
- Indigo #4B0082 ΔE 0.049
- Plum Purple #4E0550 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.075
- Deep Violet #490648 ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.084
- Midnight Blue #191970 ΔE 0.086
- Eggplant Purple #430541 ΔE 0.090
Use #451F6E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.