#683E85
Closest named color: Rebecca Purple (#663399). oklch(44.6% 0.12 309.7), rgb(104, 62, 133).
Aa
White text reads best on this color (8.02:1).
About this color
#683E85 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.120 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.044 away. White text reads best on it, at 8.02:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #683E85 |
| RGB | rgb(104, 62, 133) |
| HSL | hsl(275, 36%, 38%) |
| OKLCH | oklch(44.6% 0.12 309.7) |
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 #683E85 | 8.02:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #683E85 | 2.61:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #683E85 text on white | 8.02:1 | AAA | Lc 87.5 | Fine for body text |
| #683E85 text on black | 2.61:1 | Fails | Lc -14.6 | 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 800.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D3ED
oklch(88.6% 0.038 309.6)
-
Step 300
300
#CEB5E3
oklch(80.9% 0.069 309.4)
-
Step 400
400
#B68DD5
oklch(70.8% 0.111 309.8)
-
Step 500
500
#A36ECA
oklch(63% 0.144 309.4)
-
Step 600
600
#8F54B6
oklch(55.6% 0.156 310.1)
-
Step 700
700
#79449D
oklch(49% 0.145 309.6)
-
Step 800
800 (this color)
#683E85
oklch(44.6% 0.12 309.7)
-
Step 900
900
#503266
oklch(37.7% 0.092 309.3)
-
Step 950
950
#2F1D3C
oklch(26.9% 0.06 309.7)
#683E85 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) | #2B4E87 | 0.097 |
| Deuteranopia (no green cones) | #375183 | 0.088 |
| Tritanopia (no blue cones) | #644A5B | 0.085 |
| Achromatopsia (no color) | #505050 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683E85
#683E85
oklch(44.6% 0.12 309.7)
- #3E6000
#3E6000
oklch(44.6% 0.119 129.5)
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 #683E85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.059
- Twilight #4E518B ΔE 0.062
- Blueberry #464196 ΔE 0.066
- Light Eggplant #894585 ΔE 0.068
- Dusk #4E5481 ΔE 0.071
- Dusty Grape #545775 ΔE 0.084
- Warm Purple #952E8F ΔE 0.091
Use #683E85 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.