#681D66
Closest named color: Rich Purple (#720058). oklch(38.1% 0.139 329), rgb(104, 29, 102).
Aa
White text reads best on this color (10.73:1).
About this color
#681D66 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.139 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.040 away. White text reads best on it, at 10.73:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #681D66 |
| RGB | rgb(104, 29, 102) |
| HSL | hsl(302, 56%, 26%) |
| OKLCH | oklch(38.1% 0.139 329) |
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 #681D66 | 10.73:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #681D66 | 1.95:1 | Fails | Lc 9.9 | Not readable |
| #681D66 text on white | 10.73:1 | AAA | Lc 94.0 | Preferred for body text |
| #681D66 text on black | 1.95:1 | Fails | Lc -8.5 | 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 900.
-
Step 50
50
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F6E3F4
oklch(93.6% 0.03 329.1)
-
Step 200
200
#F0CCEC
oklch(88.5% 0.058 329.7)
-
Step 300
300
#E7A8E2
oklch(80.9% 0.105 329.2)
-
Step 400
400
#D876D3
oklch(70.7% 0.168 329.1)
-
Step 500
500
#CB4CC7
oklch(63.1% 0.213 329)
-
Step 600
600
#B623B4
oklch(55.6% 0.232 328.8)
-
Step 700
700
#9D109B
oklch(49.2% 0.217 329)
-
Step 800
800
#7F157D
oklch(42.7% 0.178 329)
-
Step 900
900 (this color)
#681D66
oklch(38.1% 0.139 329)
-
Step 950
950
#3C123B
oklch(26.9% 0.088 328.6)
#681D66 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) | #143768 | 0.147 |
| Deuteranopia (no green cones) | #314164 | 0.126 |
| Tritanopia (no blue cones) | #6C273F | 0.077 |
| Achromatopsia (no color) | #3E3E3E | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681D66
#681D66
oklch(38.1% 0.139 329)
- #00511F
#00511F
oklch(38% 0.107 149)
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 #681D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.040
- Grape Purple #5D1451 ΔE 0.044
- Velvet #750851 ΔE 0.047
- Purple #800080 ΔE 0.067
- Red Purple #820747 ΔE 0.077
- Plum Purple #4E0550 ΔE 0.079
- Merlot #730039 ΔE 0.081
- Royal Purple #4B006E ΔE 0.083
Use #681D66 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.