#683899
Closest named color: Rebecca Purple (#663399). oklch(45% 0.154 303.6), rgb(104, 56, 153).
Aa
White text reads best on this color (8.03:1).
About this color
#683899 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.154 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.012 away. White text reads best on it, at 8.03:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #683899 |
| RGB | rgb(104, 56, 153) |
| HSL | hsl(270, 46%, 41%) |
| OKLCH | oklch(45% 0.154 303.6) |
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 #683899 | 8.03:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #683899 | 2.61:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #683899 text on white | 8.03:1 | AAA | Lc 87.4 | Fine for body text |
| #683899 text on black | 2.61:1 | Fails | Lc -14.8 | 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 800.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#E0D2F5
oklch(88.6% 0.05 303.5)
-
Step 300
300
#CDB3F1
oklch(81% 0.09 303.6)
-
Step 400
400
#B488E9
oklch(70.7% 0.144 303.9)
-
Step 500
500
#A267E2
oklch(63.1% 0.183 303.7)
-
Step 600
600
#8D4AD0
oklch(55.6% 0.199 303.5)
-
Step 700
700
#783AB4
oklch(49.1% 0.185 303.5)
-
Step 800
800 (this color)
#683899
oklch(45% 0.154 303.6)
-
Step 900
900
#502D74
oklch(37.8% 0.119 304)
-
Step 950
950
#2E1B44
oklch(26.9% 0.076 303.1)
#683899 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) | #004F9C | 0.123 |
| Deuteranopia (no green cones) | #1D5097 | 0.113 |
| Tritanopia (no blue cones) | #5F4C63 | 0.112 |
| Achromatopsia (no color) | #505050 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683899
#683899
oklch(45% 0.154 303.6)
- #495F00
#495F00
oklch(45.1% 0.112 123.8)
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 #683899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.012
- Blueberry #464196 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.062
- Grape #7209B7 ΔE 0.075
- Bluey Purple #6241C7 ΔE 0.076
- Twilight #4E518B ΔE 0.078
- Blue With A Hint Of Purple #533CC6 ΔE 0.083
- Chrysanthemum #560BAD ΔE 0.083
Use #683899 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.