#633560
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.09 329.5), rgb(99, 53, 96).
Aa
White text reads best on this color (9.50:1).
About this color
#633560 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.090 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.062 away. White text reads best on it, at 9.50:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.50:1 |
Values
| HEX | #633560 |
| RGB | rgb(99, 53, 96) |
| HSL | hsl(304, 30%, 30%) |
| OKLCH | oklch(40.4% 0.09 329.5) |
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 #633560 | 9.50:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #633560 | 2.20:1 | Fails | Lc 12.2 | Not readable |
| #633560 text on white | 9.50:1 | AAA | Lc 91.7 | Preferred for body text |
| #633560 text on black | 2.20:1 | 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 800.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6EF
oklch(93.5% 0.016 328.8)
-
Step 200
200
#E5D3E3
oklch(88.6% 0.029 329.3)
-
Step 300
300
#D5B5D1
oklch(80.9% 0.052 330.2)
-
Step 400
400
#BF8EBA
oklch(70.8% 0.084 329.9)
-
Step 500
500
#AE71A9
oklch(63.2% 0.108 329.7)
-
Step 600
600
#995894
oklch(55.6% 0.117 329.8)
-
Step 700
700
#82487E
oklch(49.1% 0.108 329.6)
-
Step 800
800 (this color)
#633560
oklch(40.4% 0.09 329.5)
-
Step 900
900
#563354
oklch(37.7% 0.071 328.9)
-
Step 950
950
#331E31
oklch(27% 0.045 330.1)
#633560 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) | #334262 | 0.087 |
| Deuteranopia (no green cones) | #3F485F | 0.079 |
| Tritanopia (no blue cones) | #663946 | 0.049 |
| Achromatopsia (no color) | #464646 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633560
#633560
oklch(40.4% 0.09 329.5)
- #1D562D
#1D562D
oklch(40.4% 0.09 149.7)
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 #633560, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.062
- Brownish Purple #76424E ΔE 0.068
- Grape Purple #5D1451 ΔE 0.073
- Velvet #750851 ΔE 0.076
- Rich Purple #720058 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.087
- Red Purple #820747 ΔE 0.089
- Dusk #4E5481 ΔE 0.093
Use #633560 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.