#681C70
Closest named color: Rich Purple (#720058). oklch(38.7% 0.15 323.8), rgb(104, 28, 112).
Aa
White text reads best on this color (10.55:1).
About this color
#681C70 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.150 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.051 away. White text reads best on it, at 10.55:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.98:1 |
| White text | 10.55:1 |
Values
| HEX | #681C70 |
| RGB | rgb(104, 28, 112) |
| HSL | hsl(294, 60%, 27%) |
| OKLCH | oklch(38.7% 0.15 323.8) |
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 #681C70 | 10.55:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #681C70 | 1.98:1 | Fails | Lc 10.4 | Not readable |
| #681C70 text on white | 10.55:1 | AAA | Lc 93.5 | Preferred for body text |
| #681C70 text on black | 1.98:1 | Fails | Lc -9.0 | 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F5E3F6
oklch(93.6% 0.032 324.2)
-
Step 200
200
#EECCF1
oklch(88.5% 0.062 323.5)
-
Step 300
300
#E4A8EA
oklch(80.9% 0.111 323.5)
-
Step 400
400
#D575DF
oklch(70.7% 0.178 323.7)
-
Step 500
500
#C848D6
oklch(63.1% 0.229 323.6)
-
Step 600
600
#B418C3
oklch(55.7% 0.25 323.9)
-
Step 700
700
#9A00A8
oklch(49.1% 0.231 323.8)
-
Step 800
800
#7D0D88
oklch(42.6% 0.192 323.8)
-
Step 900
900 (this color)
#681C70
oklch(38.7% 0.15 323.8)
-
Step 950
950
#3B1140
oklch(26.9% 0.094 323.3)
#681C70 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) | #003972 | 0.157 |
| Deuteranopia (no green cones) | #2B426E | 0.132 |
| Tritanopia (no blue cones) | #6A2B44 | 0.088 |
| Achromatopsia (no color) | #3F3F3F | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681C70
#681C70
oklch(38.7% 0.15 323.8)
- #00540A
#00540A
oklch(38.7% 0.126 143.8)
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 #681C70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.051
- Purple #800080 ΔE 0.057
- Grape Purple #5D1451 ΔE 0.058
- Velvet #750851 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.078
- Royal Purple #4B006E ΔE 0.078
- Dark Magenta #8B008B ΔE 0.083
- Indigo #4B0082 ΔE 0.084
Use #681C70 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.