#681D78
Closest named color: Purple (#800080). oklch(39.3% 0.156 319.9), rgb(104, 29, 120).
Aa
White text reads best on this color (10.31:1).
About this color
#681D78 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.156 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.054 away. White text reads best on it, at 10.31:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 2.03:1 |
| White text | 10.31:1 |
Values
| HEX | #681D78 |
| RGB | rgb(104, 29, 120) |
| HSL | hsl(289, 61%, 29%) |
| OKLCH | oklch(39.3% 0.156 319.9) |
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 #681D78 | 10.31:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #681D78 | 2.03:1 | Fails | Lc 10.9 | Not readable |
| #681D78 text on white | 10.31:1 | AAA | Lc 93.0 | Preferred for body text |
| #681D78 text on black | 2.03:1 | Fails | Lc -9.5 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F4E3F8
oklch(93.6% 0.033 319.8)
-
Step 200
200
#EDCCF4
oklch(88.5% 0.065 320.3)
-
Step 300
300
#E2A8F0
oklch(80.9% 0.117 319.7)
-
Step 400
400
#D274E8
oklch(70.7% 0.187 319.8)
-
Step 500
500
#C546E0
oklch(63.1% 0.238 320.1)
-
Step 600
600
#B011CE
oklch(55.5% 0.259 319.8)
-
Step 700
700
#9600B0
oklch(49% 0.235 320)
-
Step 800
800
#7B0890
oklch(42.7% 0.199 320)
-
Step 900
900 (this color)
#681D78
oklch(39.3% 0.156 319.9)
-
Step 950
950
#3A1143
oklch(27% 0.097 319.9)
#681D78 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) | #003B7B | 0.154 |
| Deuteranopia (no green cones) | #254376 | 0.135 |
| Tritanopia (no blue cones) | #682F49 | 0.095 |
| Achromatopsia (no color) | #404040 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681D78
#681D78
oklch(39.3% 0.156 319.9)
- #165500
#165500
oklch(39.4% 0.126 139.9)
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 #681D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.054
- Rich Purple #720058 ΔE 0.063
- Rebecca Purple #663399 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.070
- Velvet #750851 ΔE 0.074
- Dark Magenta #8B008B ΔE 0.078
- Indigo #4B0082 ΔE 0.079
- Royal Purple #4B006E ΔE 0.079
Use #681D78 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.