#783F9C
Closest named color: Rebecca Purple (#663399). oklch(48.1% 0.151 310.2), rgb(120, 63, 156).
Aa
White text reads best on this color (7.02:1).
About this color
#783F9C is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.151 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 7.02:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #783F9C |
| RGB | rgb(120, 63, 156) |
| HSL | hsl(277, 42%, 43%) |
| OKLCH | oklch(48.1% 0.151 310.2) |
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 #783F9C | 7.02:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #783F9C | 2.98:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #783F9C text on white | 7.02:1 | AAA | Lc 83.9 | Fine for body text |
| #783F9C text on black | 2.98:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
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
#CFB4E4
oklch(80.9% 0.072 310.1)
-
Step 400
400
#B78BD7
oklch(70.6% 0.118 310.1)
-
Step 500
500
#A56CCC
oklch(63% 0.15 310.1)
-
Step 600
600
#9052B9
oklch(55.6% 0.163 309.9)
-
Step 700
700 (this color)
#783F9C
oklch(48.1% 0.151 310.2)
-
Step 800
800
#643781
oklch(42.7% 0.125 310.2)
-
Step 900
900
#513068
oklch(37.6% 0.099 309.7)
-
Step 950
950
#301D3D
oklch(27.1% 0.062 310.2)
#783F9C 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) | #1E569F | 0.131 |
| Deuteranopia (no green cones) | #355A9A | 0.116 |
| Tritanopia (no blue cones) | #735067 | 0.105 |
| Achromatopsia (no color) | #595959 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783F9C
#783F9C
oklch(48.1% 0.151 310.2)
- #446B00
#446B00
oklch(48% 0.129 130.2)
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 #783F9C, 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 0.056
- Warm Purple #952E8F ΔE 0.064
- Purply #983FB2 ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.081
- Dark Magenta #8B008B ΔE 0.085
- Muted Purple #805B87 ΔE 0.087
- Iris #6258C4 ΔE 0.087
Use #783F9C 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.