#63406C
Closest named color: Brownish Purple (#76424E). oklch(42.9% 0.082 319.2), rgb(99, 64, 108).
Aa
White text reads best on this color (8.46:1).
About this color
#63406C is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.082 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.064 away. White text reads best on it, at 8.46:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.48:1 |
| White text | 8.46:1 |
Values
| HEX | #63406C |
| RGB | rgb(99, 64, 108) |
| HSL | hsl(288, 26%, 34%) |
| OKLCH | oklch(42.9% 0.082 319.2) |
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 #63406C | 8.46:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #63406C | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #63406C text on white | 8.46:1 | AAA | Lc 89.0 | Fine for body text |
| #63406C text on black | 2.48:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E1D4E5
oklch(88.5% 0.027 318.2)
-
Step 300
300
#CFB7D5
oklch(80.9% 0.049 319.5)
-
Step 400
400
#B691BF
oklch(70.6% 0.078 319.6)
-
Step 500
500
#A376AF
oklch(63.1% 0.097 319)
-
Step 600
600
#8E5E9B
oklch(55.7% 0.107 318.9)
-
Step 700
700
#794D84
oklch(49.1% 0.099 319.4)
-
Step 800
800 (this color)
#63406C
oklch(42.9% 0.082 319.2)
-
Step 900
900
#503657
oklch(37.6% 0.064 319)
-
Step 950
950
#2F2033
oklch(27% 0.04 319)
#63406C 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) | #3A4B6E | 0.071 |
| Deuteranopia (no green cones) | #434E6B | 0.064 |
| Tritanopia (no blue cones) | #634551 | 0.052 |
| Achromatopsia (no color) | #4D4D4D | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63406C
#63406C
oklch(42.9% 0.082 319.2)
- #375A2D
#375A2D
oklch(42.9% 0.081 139)
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 #63406C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.064
- Dusk #4E5481 ΔE 0.064
- Dusty Grape #545775 ΔE 0.066
- Twilight #4E518B ΔE 0.068
- Purple Brown #673A3F ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.073
- Dark Mauve #874C62 ΔE 0.083
- Light Eggplant #894585 ΔE 0.084
Use #63406C 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.