#463F73
Closest named color: Dark Slate Blue (#483D8B). oklch(40% 0.086 288.1), rgb(70, 63, 115).
Aa
White text reads best on this color (9.46:1).
About this color
#463F73 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.086 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 9.46:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #463F73 |
| RGB | rgb(70, 63, 115) |
| HSL | hsl(248, 29%, 35%) |
| OKLCH | oklch(40% 0.086 288.1) |
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 #463F73 | 9.46:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #463F73 | 2.21:1 | Fails | Lc 12.2 | Not readable |
| #463F73 text on white | 9.46:1 | AAA | Lc 91.8 | Preferred for body text |
| #463F73 text on black | 2.21:1 | Fails | Lc -10.6 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BEBBE9
oklch(81% 0.064 287.9)
-
Step 400
400
#9D96DD
oklch(70.6% 0.103 288)
-
Step 500
500
#867BD4
oklch(63.1% 0.131 287.7)
-
Step 600
600
#7162C1
oklch(55.6% 0.143 288.1)
-
Step 700
700
#5F51A7
oklch(49.2% 0.133 288)
-
Step 800
800
#4D4387
oklch(42.8% 0.109 287.6)
-
Step 900
900 (this color)
#463F73
oklch(40% 0.086 288.1)
-
Step 950
950
#25223F
oklch(27.1% 0.053 287)
#463F73 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) | #2D4775 | 0.040 |
| Deuteranopia (no green cones) | #2D4572 | 0.039 |
| Tritanopia (no blue cones) | #3A4953 | 0.072 |
| Achromatopsia (no color) | #464646 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #463F73
#463F73
oklch(40% 0.086 288.1)
- #4C4B01
#4C4B01
oklch(40.1% 0.086 108.9)
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 #463F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Blueberry #464196 ΔE 0.058
- Twilight #4E518B ΔE 0.062
- Dusk #4E5481 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.066
- Cobalt #1E488F ΔE 0.066
- Light Navy #155084 ΔE 0.069
Use #463F73 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.