#683596
Closest named color: Rebecca Purple (#663399). oklch(44.3% 0.154 305.1), rgb(104, 53, 150).
Aa
White text reads best on this color (8.27:1).
About this color
#683596 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.154 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.008 away. White text reads best on it, at 8.27:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #683596 |
| RGB | rgb(104, 53, 150) |
| HSL | hsl(272, 48%, 40%) |
| OKLCH | oklch(44.3% 0.154 305.1) |
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 #683596 | 8.27:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #683596 | 2.53:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #683596 text on white | 8.27:1 | AAA | Lc 88.1 | Fine for body text |
| #683596 text on black | 2.53:1 | Fails | Lc -14.1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D1F4
oklch(88.4% 0.05 306)
-
Step 300
300
#CEB2F0
oklch(80.9% 0.091 305.1)
-
Step 400
400
#B687E8
oklch(70.7% 0.145 305.3)
-
Step 500
500
#A466E1
oklch(63.1% 0.184 305)
-
Step 600
600
#9048CF
oklch(55.6% 0.202 305.2)
-
Step 700
700
#7A39B3
oklch(49.1% 0.186 304.9)
-
Step 800
800 (this color)
#683596
oklch(44.3% 0.154 305.1)
-
Step 900
900
#512C74
oklch(37.7% 0.121 305)
-
Step 950
950
#2F1B44
oklch(27.1% 0.076 304.3)
#683596 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) | #004D99 | 0.127 |
| Deuteranopia (no green cones) | #1D4E94 | 0.116 |
| Tritanopia (no blue cones) | #604960 | 0.112 |
| Achromatopsia (no color) | #4E4E4E | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683596
#683596
oklch(44.3% 0.154 305.1)
- #455D00
#455D00
oklch(44.2% 0.111 125.1)
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 #683596, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.008
- Dark Slate Blue #483D8B ΔE 0.062
- Blueberry #464196 ΔE 0.063
- Grape #7209B7 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.081
- Twilight #4E518B ΔE 0.082
- Bluey Purple #6241C7 ΔE 0.082
- Purple #800080 ΔE 0.083
Use #683596 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.