#633763
Closest named color: Purple Brown (#673A3F). oklch(40.9% 0.089 327.1), rgb(99, 55, 99).
Aa
White text reads best on this color (9.30:1).
About this color
#633763 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.089 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.065 away. White text reads best on it, at 9.30:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #633763 |
| RGB | rgb(99, 55, 99) |
| HSL | hsl(300, 29%, 30%) |
| OKLCH | oklch(40.9% 0.089 327.1) |
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 #633763 | 9.30:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #633763 | 2.25:1 | Fails | Lc 12.7 | Not readable |
| #633763 text on white | 9.30:1 | AAA | Lc 91.2 | Preferred for body text |
| #633763 text on black | 2.25:1 | Fails | Lc -11.1 | 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
#E4D3E3
oklch(88.5% 0.028 327.6)
-
Step 300
300
#D3B5D2
oklch(80.8% 0.052 327.1)
-
Step 400
400
#BD8EBC
oklch(70.7% 0.084 327.1)
-
Step 500
500
#AC72AB
oklch(63.2% 0.106 327.3)
-
Step 600
600
#975996
oklch(55.6% 0.116 327.6)
-
Step 700
700
#804980
oklch(49.1% 0.107 327.1)
-
Step 800
800 (this color)
#633763
oklch(40.9% 0.089 327.1)
-
Step 900
900
#553455
oklch(37.8% 0.069 326.8)
-
Step 950
950
#321E32
oklch(26.9% 0.046 326.8)
#633763 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) | #334365 | 0.085 |
| Deuteranopia (no green cones) | #3F4962 | 0.077 |
| Tritanopia (no blue cones) | #653B48 | 0.051 |
| Achromatopsia (no color) | #474747 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633763
#633763
oklch(40.9% 0.089 327.1)
- #23572C
#23572C
oklch(40.9% 0.09 147.3)
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 #633763, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.065
- Brownish Purple #76424E ΔE 0.067
- Grape Purple #5D1451 ΔE 0.078
- Velvet #750851 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.082
- Rich Purple #720058 ΔE 0.085
- Dusk #4E5481 ΔE 0.087
- Dusty Grape #545775 ΔE 0.088
Use #633763 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.