#633856
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.075 339.2), rgb(99, 56, 86).
Aa
White text reads best on this color (9.41:1).
About this color
#633856 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.075 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 9.41:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.41:1 |
Values
| HEX | #633856 |
| RGB | rgb(99, 56, 86) |
| HSL | hsl(318, 28%, 30%) |
| OKLCH | oklch(40.4% 0.075 339.2) |
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 #633856 | 9.41:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #633856 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #633856 text on white | 9.41:1 | AAA | Lc 91.6 | Preferred for body text |
| #633856 text on black | 2.23:1 | Fails | Lc -10.8 | 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
#F0E7ED
oklch(93.7% 0.013 337.5)
-
Step 200
200
#E5D3DE
oklch(88.5% 0.025 340.3)
-
Step 300
300
#D5B6CA
oklch(80.9% 0.044 339.3)
-
Step 400
400
#BE90AF
oklch(70.7% 0.069 338.8)
-
Step 500
500
#AD749B
oklch(63% 0.089 339.1)
-
Step 600
600
#985C86
oklch(55.6% 0.096 338.9)
-
Step 700
700
#824B71
oklch(49% 0.091 339.5)
-
Step 800
800 (this color)
#633856
oklch(40.4% 0.075 339.2)
-
Step 900
900
#56354C
oklch(37.7% 0.059 338.7)
-
Step 950
950
#321F2C
oklch(26.9% 0.037 339)
#633856 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) | #394257 | 0.077 |
| Deuteranopia (no green cones) | #444955 | 0.071 |
| Tritanopia (no blue cones) | #673943 | 0.034 |
| Achromatopsia (no color) | #464646 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633856
#633856
oklch(40.4% 0.075 339.2)
- #1D553A
#1D553A
oklch(40.4% 0.075 159.2)
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 #633856, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Brownish Purple #76424E ΔE 0.053
- Grape Purple #5D1451 ΔE 0.082
- Velvet #750851 ΔE 0.084
- Charcoal Grey #3C4142 ΔE 0.086
- Dusty Grape #545775 ΔE 0.090
- Red Purple #820747 ΔE 0.090
- Rich Purple #720058 ΔE 0.092
Use #633856 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.