#783F9D
Closest named color: Rebecca Purple (#663399). oklch(48.2% 0.152 309.8), rgb(120, 63, 157).
Aa
White text reads best on this color (7.00:1).
About this color
#783F9D is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.152 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 0.046 away. White text reads best on it, at 7.00:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #783F9D |
| RGB | rgb(120, 63, 157) |
| HSL | hsl(276, 43%, 43%) |
| OKLCH | oklch(48.2% 0.152 309.8) |
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 #783F9D | 7.00:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #783F9D | 2.99:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #783F9D text on white | 7.00:1 | AAA | Lc 83.8 | Fine for body text |
| #783F9D text on black | 2.99:1 | Fails | Lc -18.1 | Dividers and decoration only |
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 700.
-
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
#E1D2EE
oklch(88.4% 0.041 309.4)
-
Step 300
300
#CFB4E5
oklch(80.9% 0.074 309.6)
-
Step 400
400
#B78BD8
oklch(70.7% 0.119 309.8)
-
Step 500
500
#A56CCD
oklch(63.1% 0.151 309.8)
-
Step 600
600
#9052BA
oklch(55.6% 0.164 309.6)
-
Step 700
700 (this color)
#783F9D
oklch(48.2% 0.152 309.8)
-
Step 800
800
#643782
oklch(42.8% 0.126 309.8)
-
Step 900
900
#513068
oklch(37.6% 0.099 309.7)
-
Step 950
950
#301D3D
oklch(27.1% 0.062 310.2)
#783F9D 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) | #1C56A0 | 0.132 |
| Deuteranopia (no green cones) | #345A9B | 0.117 |
| Tritanopia (no blue cones) | #735168 | 0.107 |
| Achromatopsia (no color) | #595959 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783F9D
#783F9D
oklch(48.2% 0.152 309.8)
- #456B00
#456B00
oklch(48.1% 0.129 129.8)
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 #783F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.046
- Light Eggplant #894585 ΔE 0.057
- Warm Purple #952E8F ΔE 0.064
- Purply #983FB2 ΔE 0.068
- Bluey Purple #6241C7 ΔE 0.079
- Dark Magenta #8B008B ΔE 0.085
- Iris #6258C4 ΔE 0.086
- Grape #7209B7 ΔE 0.086
Use #783F9D 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.