#681F55
Closest named color: Grape Purple (#5D1451). oklch(37.4% 0.123 339.7), rgb(104, 31, 85).
Aa
White text reads best on this color (10.96:1).
About this color
#681F55 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.034 away. White text reads best on it, at 10.96:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #681F55 |
| RGB | rgb(104, 31, 85) |
| HSL | hsl(316, 54%, 26%) |
| OKLCH | oklch(37.4% 0.123 339.7) |
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 #681F55 | 10.96:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #681F55 | 1.91:1 | Fails | Lc 9.3 | Not readable |
| #681F55 text on white | 10.96:1 | AAA | Lc 94.6 | Preferred for body text |
| #681F55 text on black | 1.91:1 | Fails | Lc -8.0 | 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F7E3F0
oklch(93.6% 0.028 338.6)
-
Step 200
200
#F1CDE4
oklch(88.5% 0.05 339.6)
-
Step 300
300
#E9AAD4
oklch(81% 0.091 339.4)
-
Step 400
400
#DC79BE
oklch(70.7% 0.148 339.7)
-
Step 500
500
#CF52AD
oklch(63.1% 0.188 339.7)
-
Step 600
600
#BA2F98
oklch(55.5% 0.204 339.8)
-
Step 700
700
#A01F82
oklch(49.1% 0.19 339.7)
-
Step 800
800
#821E6A
oklch(42.7% 0.157 339.5)
-
Step 900
900 (this color)
#681F55
oklch(37.4% 0.123 339.7)
-
Step 950
950
#3E1432
oklch(27% 0.078 340.2)
#681F55 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) | #233557 | 0.133 |
| Deuteranopia (no green cones) | #3A4153 | 0.117 |
| Tritanopia (no blue cones) | #6E2137 | 0.056 |
| Achromatopsia (no color) | #3C3C3C | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681F55
#681F55
oklch(37.4% 0.123 339.7)
- #004E30
#004E30
oklch(37.4% 0.085 159.4)
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 #681F55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.034
- Velvet #750851 ΔE 0.035
- Rich Purple #720058 ΔE 0.038
- Merlot #730039 ΔE 0.055
- Red Purple #820747 ΔE 0.060
- Wine #80013F ΔE 0.063
- Plum Purple #4E0550 ΔE 0.077
- Bordeaux #7B002C ΔE 0.078
Use #681F55 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.