#63446C
Closest named color: Dusty Grape (#545775). oklch(43.7% 0.074 318.5), rgb(99, 68, 108).
Aa
White text reads best on this color (8.15:1).
About this color
#63446C is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.074 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.056 away. White text reads best on it, at 8.15:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #63446C |
| RGB | rgb(99, 68, 108) |
| HSL | hsl(287, 23%, 35%) |
| OKLCH | oklch(43.7% 0.074 318.5) |
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 #63446C | 8.15:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #63446C | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #63446C text on white | 8.15:1 | AAA | Lc 88.1 | Fine for body text |
| #63446C text on black | 2.57:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7EF
oklch(93.5% 0.012 317.7)
-
Step 200
200
#E0D4E4
oklch(88.4% 0.025 317.7)
-
Step 300
300
#CDB8D3
oklch(80.9% 0.044 318.7)
-
Step 400
400
#B393BD
oklch(70.6% 0.07 318)
-
Step 500
500
#A078AC
oklch(63% 0.089 318.3)
-
Step 600
600
#8B6098
oklch(55.5% 0.098 318.2)
-
Step 700
700
#764F81
oklch(49% 0.09 318.6)
-
Step 800
800 (this color)
#63446C
oklch(43.7% 0.074 318.5)
-
Step 900
900
#4F3755
oklch(37.6% 0.059 319.5)
-
Step 950
950
#2E2132
oklch(27.1% 0.036 318.1)
#63446C 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) | #3F4D6E | 0.062 |
| Deuteranopia (no green cones) | #46506B | 0.057 |
| Tritanopia (no blue cones) | #634953 | 0.048 |
| Achromatopsia (no color) | #4F4F4F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63446C
#63446C
oklch(43.7% 0.074 318.5)
- #3C5B32
#3C5B32
oklch(43.6% 0.074 138.4)
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 #63446C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.056
- Dusk #4E5481 ΔE 0.057
- Brownish Purple #76424E ΔE 0.060
- Twilight #4E518B ΔE 0.063
- Purple Brown #673A3F ΔE 0.072
- YInMn Blue #415A77 ΔE 0.076
- Dark Mauve #874C62 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.077
Use #63446C 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.