#683A72
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.104 320.3), rgb(104, 58, 114).
Aa
White text reads best on this color (8.61:1).
About this color
#683A72 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.104 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.069 away. White text reads best on it, at 8.61:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.61:1 |
Values
| HEX | #683A72 |
| RGB | rgb(104, 58, 114) |
| HSL | hsl(289, 33%, 34%) |
| OKLCH | oklch(42.8% 0.104 320.3) |
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 #683A72 | 8.61:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #683A72 | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #683A72 text on white | 8.61:1 | AAA | Lc 89.3 | Fine for body text |
| #683A72 text on black | 2.43:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F1
oklch(93.5% 0.018 320.1)
-
Step 200
200
#E4D2E7
oklch(88.5% 0.034 321.4)
-
Step 300
300
#D3B4D9
oklch(80.8% 0.061 320.8)
-
Step 400
400
#BC8DC6
oklch(70.8% 0.096 320.4)
-
Step 500
500
#AB6FB8
oklch(63.2% 0.125 320.3)
-
Step 600
600
#9656A3
oklch(55.7% 0.134 320.7)
-
Step 700
700
#7F468C
oklch(49.1% 0.125 320)
-
Step 800
800 (this color)
#683A72
oklch(42.8% 0.104 320.3)
-
Step 900
900
#54325C
oklch(37.6% 0.081 319.8)
-
Step 950
950
#311E36
oklch(27% 0.05 319.1)
#683A72 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) | #314974 | 0.095 |
| Deuteranopia (no green cones) | #3E4E70 | 0.086 |
| Tritanopia (no blue cones) | #694150 | 0.065 |
| Achromatopsia (no color) | #4C4C4C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683A72
#683A72
oklch(42.8% 0.104 320.3)
- #2C5D22
#2C5D22
oklch(42.9% 0.104 140.4)
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 #683A72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.072
- Twilight #4E518B ΔE 0.076
- Brownish Purple #76424E ΔE 0.076
- Light Eggplant #894585 ΔE 0.076
- Dusk #4E5481 ΔE 0.078
- Dusty Grape #545775 ΔE 0.083
- Blueberry #464196 ΔE 0.084
Use #683A72 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.