#633960
Closest named color: Purple Brown (#673A3F). oklch(41.1% 0.082 329.5), rgb(99, 57, 96).
Aa
White text reads best on this color (9.19:1).
About this color
#633960 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.082 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.057 away. White text reads best on it, at 9.19:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #633960 |
| RGB | rgb(99, 57, 96) |
| HSL | hsl(304, 27%, 31%) |
| OKLCH | oklch(41.1% 0.082 329.5) |
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 #633960 | 9.19:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #633960 | 2.28:1 | Fails | Lc 13.0 | Not readable |
| #633960 text on white | 9.19:1 | AAA | Lc 91.0 | Preferred for body text |
| #633960 text on black | 2.28:1 | Fails | Lc -11.3 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E4D3E2
oklch(88.5% 0.027 329.5)
-
Step 300
300
#D3B6D0
oklch(80.9% 0.048 329.3)
-
Step 400
400
#BC8FB8
oklch(70.6% 0.078 329.3)
-
Step 500
500
#AB73A6
oklch(63.1% 0.099 329.8)
-
Step 600
600
#965B91
oklch(55.6% 0.107 330)
-
Step 700
700
#804A7C
oklch(49.1% 0.101 329.7)
-
Step 800
800 (this color)
#633960
oklch(41.1% 0.082 329.5)
-
Step 900
900
#553552
oklch(37.8% 0.064 330.1)
-
Step 950
950
#321F30
oklch(27.1% 0.041 330.4)
#633960 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) | #374461 | 0.079 |
| Deuteranopia (no green cones) | #424A5F | 0.072 |
| Tritanopia (no blue cones) | #663C48 | 0.045 |
| Achromatopsia (no color) | #484848 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633960
#633960
oklch(41.1% 0.082 329.5)
- #255731
#255731
oklch(41.1% 0.083 149.3)
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 #633960, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.057
- Brownish Purple #76424E ΔE 0.060
- Grape Purple #5D1451 ΔE 0.083
- Dusty Grape #545775 ΔE 0.084
- Velvet #750851 ΔE 0.085
- Dusk #4E5481 ΔE 0.085
- Dark Slate Blue #483D8B ΔE 0.086
- Twilight #4E518B ΔE 0.089
Use #633960 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.