#463F66
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.065 291.3), rgb(70, 63, 102).
Aa
White text reads best on this color (9.70:1).
About this color
#463F66 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.065 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.052 away. White text reads best on it, at 9.70:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #463F66 |
| RGB | rgb(70, 63, 102) |
| HSL | hsl(251, 24%, 32%) |
| OKLCH | oklch(39.2% 0.065 291.3) |
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 #463F66 | 9.70:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #463F66 | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #463F66 text on white | 9.70:1 | AAA | Lc 92.5 | Preferred for body text |
| #463F66 text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C0BCDF
oklch(81% 0.049 290.5)
-
Step 400
400
#A198CE
oklch(70.7% 0.078 291.9)
-
Step 500
500
#8A7EC1
oklch(63.1% 0.1 291.5)
-
Step 600
600
#7467AE
oklch(55.7% 0.108 290.9)
-
Step 700
700
#625595
oklch(49.1% 0.101 291.6)
-
Step 800
800
#504679
oklch(42.8% 0.083 291.5)
-
Step 900
900 (this color)
#463F66
oklch(39.2% 0.065 291.3)
-
Step 950
950
#272339
oklch(27.1% 0.041 291.8)
#463F66 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) | #344568 | 0.031 |
| Deuteranopia (no green cones) | #354365 | 0.028 |
| Tritanopia (no blue cones) | #3F464D | 0.055 |
| Achromatopsia (no color) | #444444 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #463F66
#463F66
oklch(39.2% 0.065 291.3)
- #47491C
#47491C
oklch(39.3% 0.065 111.4)
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 #463F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.052
- Charcoal #264653 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.068
- Dusk #4E5481 ΔE 0.071
- Twilight Blue #0A437A ΔE 0.071
- Onyx #343A40 ΔE 0.074
- Twilight #4E518B ΔE 0.075
Use #463F66 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.