#683988
Closest named color: Rebecca Purple (#663399). oklch(44% 0.132 309.5), rgb(104, 57, 136).
Aa
White text reads best on this color (8.30:1).
About this color
#683988 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.132 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #683988 |
| RGB | rgb(104, 57, 136) |
| HSL | hsl(276, 41%, 38%) |
| OKLCH | oklch(44% 0.132 309.5) |
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 #683988 | 8.30:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #683988 | 2.52:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #683988 text on white | 8.30:1 | AAA | Lc 88.3 | Fine for body text |
| #683988 text on black | 2.52:1 | Fails | Lc -13.9 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#CFB3E7
oklch(80.8% 0.078 309)
-
Step 400
400
#B88ADA
oklch(70.7% 0.123 309.9)
-
Step 500
500
#A66BD0
oklch(63.2% 0.157 309.6)
-
Step 600
600
#9150BD
oklch(55.6% 0.171 309.5)
-
Step 700
700
#7B40A3
oklch(49.1% 0.159 309.2)
-
Step 800
800 (this color)
#683988
oklch(44% 0.132 309.5)
-
Step 900
900
#522F6A
oklch(37.7% 0.103 309.7)
-
Step 950
950
#301C3E
oklch(27% 0.066 309.8)
#683988 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) | #1F4C8B | 0.111 |
| Deuteranopia (no green cones) | #304F86 | 0.099 |
| Tritanopia (no blue cones) | #64475B | 0.091 |
| Achromatopsia (no color) | #4E4E4E | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #683988
#683988
oklch(44% 0.132 309.5)
- #3D5E00
#3D5E00
oklch(43.9% 0.117 129.4)
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 #683988, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.058
- Blueberry #464196 ΔE 0.065
- Twilight #4E518B ΔE 0.071
- Light Eggplant #894585 ΔE 0.074
- Dusk #4E5481 ΔE 0.082
- Purple #800080 ΔE 0.083
- Warm Purple #952E8F ΔE 0.089
Use #683988 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.