#681C51
Closest named color: Grape Purple (#5D1451). oklch(36.9% 0.124 342.2), rgb(104, 28, 81).
Aa
White text reads best on this color (11.20:1).
About this color
#681C51 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.124 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.031 away. White text reads best on it, at 11.20:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.87:1 |
| White text | 11.20:1 |
Values
| HEX | #681C51 |
| RGB | rgb(104, 28, 81) |
| HSL | hsl(318, 58%, 26%) |
| OKLCH | oklch(36.9% 0.124 342.2) |
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 #681C51 | 11.20:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #681C51 | 1.87:1 | Fails | Lc 8.9 | Not readable |
| #681C51 text on white | 11.20:1 | AAA | Lc 95.0 | Preferred for body text |
| #681C51 text on black | 1.87:1 | Fails | Lc -7.6 | 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F8E3EF
oklch(93.6% 0.028 342.3)
-
Step 200
200
#F2CCE3
oklch(88.4% 0.052 341.3)
-
Step 300
300
#EBA9D1
oklch(80.9% 0.093 342.4)
-
Step 400
400
#DE78BA
oklch(70.7% 0.149 342.2)
-
Step 500
500
#D250A9
oklch(63.1% 0.19 342.1)
-
Step 600
600
#BD2C94
oklch(55.6% 0.207 342.1)
-
Step 700
700
#A31C7E
oklch(49.2% 0.192 342.3)
-
Step 800
800
#841B66
oklch(42.6% 0.159 342.4)
-
Step 900
900 (this color)
#681C51
oklch(36.9% 0.124 342.2)
-
Step 950
950
#3F1331
oklch(27% 0.08 342.1)
#681C51 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) | #233353 | 0.135 |
| Deuteranopia (no green cones) | #3A3F4F | 0.118 |
| Tritanopia (no blue cones) | #6F1D33 | 0.056 |
| Achromatopsia (no color) | #3B3B3B | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681C51
#681C51
oklch(36.9% 0.124 342.2)
- #004C32
#004C32
oklch(36.8% 0.081 162.2)
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 #681C51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.031
- Velvet #750851 ΔE 0.032
- Rich Purple #720058 ΔE 0.037
- Merlot #730039 ΔE 0.049
- Red Purple #820747 ΔE 0.058
- Wine #80013F ΔE 0.060
- Bordeaux #7B002C ΔE 0.072
- Plum Purple #4E0550 ΔE 0.075
Use #681C51 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.