#681E51
Closest named color: Grape Purple (#5D1451). oklch(37.1% 0.121 342.5), rgb(104, 30, 81).
Aa
White text reads best on this color (11.09:1).
About this color
#681E51 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.121 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.033 away. White text reads best on it, at 11.09:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.89:1 |
| White text | 11.09:1 |
Values
| HEX | #681E51 |
| RGB | rgb(104, 30, 81) |
| HSL | hsl(319, 55%, 26%) |
| OKLCH | oklch(37.1% 0.121 342.5) |
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 #681E51 | 11.09:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #681E51 | 1.89:1 | Fails | Lc 9.1 | Not readable |
| #681E51 text on white | 11.09:1 | AAA | Lc 94.8 | Preferred for body text |
| #681E51 text on black | 1.89:1 | Fails | Lc -7.8 | 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
#F7E3EF
oklch(93.5% 0.027 340.9)
-
Step 200
200
#F2CDE2
oklch(88.6% 0.05 343.1)
-
Step 300
300
#EAAAD1
oklch(81% 0.09 342.1)
-
Step 400
400
#DD79B9
oklch(70.7% 0.145 342.5)
-
Step 500
500
#D152A8
oklch(63.2% 0.186 342.3)
-
Step 600
600
#BC2F93
oklch(55.6% 0.202 342.3)
-
Step 700
700
#A21F7D
oklch(49.1% 0.188 342.5)
-
Step 800
800
#831E66
oklch(42.7% 0.155 342.1)
-
Step 900
900 (this color)
#681E51
oklch(37.1% 0.121 342.5)
-
Step 950
950
#3E1430
oklch(26.9% 0.076 342.7)
#681E51 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) | #243452 | 0.133 |
| Deuteranopia (no green cones) | #3B404F | 0.116 |
| Tritanopia (no blue cones) | #6F1F34 | 0.054 |
| Achromatopsia (no color) | #3C3C3C | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681E51
#681E51
oklch(37.1% 0.121 342.5)
- #004D33
#004D33
oklch(37.2% 0.081 162.5)
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 #681E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.033
- Velvet #750851 ΔE 0.034
- Rich Purple #720058 ΔE 0.039
- Merlot #730039 ΔE 0.050
- Red Purple #820747 ΔE 0.058
- Wine #80013F ΔE 0.060
- Bordeaux #7B002C ΔE 0.072
- Plum Purple #4E0550 ΔE 0.077
Use #681E51 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.