#683F66
Closest named color: Brownish Purple (#76424E). oklch(43.1% 0.081 328.6), rgb(104, 63, 102).
Aa
White text reads best on this color (8.42:1).
About this color
#683F66 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.081 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.052 away. White text reads best on it, at 8.42:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #683F66 |
| RGB | rgb(104, 63, 102) |
| HSL | hsl(303, 25%, 33%) |
| OKLCH | oklch(43.1% 0.081 328.6) |
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 #683F66 | 8.42:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #683F66 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #683F66 text on white | 8.42:1 | AAA | Lc 88.9 | Fine for body text |
| #683F66 text on black | 2.49:1 | Fails | Lc -13.3 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D3E2
oklch(88.4% 0.027 327.7)
-
Step 300
300
#D2B6D0
oklch(80.8% 0.047 328.3)
-
Step 400
400
#BB90B8
oklch(70.7% 0.075 328.6)
-
Step 500
500
#AA74A7
oklch(63.2% 0.097 328.6)
-
Step 600
600
#955C92
oklch(55.7% 0.105 328.7)
-
Step 700
700
#7E4B7C
oklch(49% 0.098 328.3)
-
Step 800
800 (this color)
#683F66
oklch(43.1% 0.081 328.6)
-
Step 900
900
#543552
oklch(37.7% 0.063 329)
-
Step 950
950
#311F30
oklch(26.9% 0.04 328.5)
#683F66 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) | #3D4A67 | 0.076 |
| Deuteranopia (no green cones) | #474F65 | 0.070 |
| Tritanopia (no blue cones) | #6B424E | 0.044 |
| Achromatopsia (no color) | #4D4D4D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683F66
#683F66
oklch(43.1% 0.081 328.6)
- #2D5C36
#2D5C36
oklch(43.1% 0.081 148.4)
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 #683F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.052
- Purple Brown #673A3F ΔE 0.063
- Dusty Grape #545775 ΔE 0.070
- Dusk #4E5481 ΔE 0.073
- Dark Mauve #874C62 ΔE 0.074
- Twilight #4E518B ΔE 0.078
- Light Eggplant #894585 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.087
Use #683F66 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.