#783FAE
Closest named color: Rebecca Purple (#663399). oklch(49.3% 0.172 304.4), rgb(120, 63, 174).
Aa
White text reads best on this color (6.72:1).
About this color
#783FAE is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.172 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 0.054 away. White text reads best on it, at 6.72:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #783FAE |
| RGB | rgb(120, 63, 174) |
| HSL | hsl(271, 47%, 46%) |
| OKLCH | oklch(49.3% 0.172 304.4) |
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 #783FAE | 6.72:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #783FAE | 3.12:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #783FAE text on white | 6.72:1 | AA | Lc 82.7 | Fine for body text |
| #783FAE text on black | 3.12:1 | AA large text | Lc -19.3 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#E0D2F2
oklch(88.5% 0.046 305.2)
-
Step 300
300
#CCB4ED
oklch(81% 0.083 303.8)
-
Step 400
400
#B38AE3
oklch(70.6% 0.133 304.4)
-
Step 500
500
#A16ADB
oklch(63.1% 0.17 304.5)
-
Step 600
600
#8C4EC8
oklch(55.5% 0.185 304.5)
-
Step 700
700 (this color)
#783FAE
oklch(49.3% 0.172 304.4)
-
Step 800
800
#61348C
oklch(42.6% 0.142 304.6)
-
Step 900
900
#4F2F70
oklch(37.7% 0.11 304.4)
-
Step 950
950
#2E1C42
oklch(27% 0.071 303.9)
#783FAE 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) | #005AB1 | 0.139 |
| Deuteranopia (no green cones) | #215CAC | 0.129 |
| Tritanopia (no blue cones) | #6E5671 | 0.124 |
| Achromatopsia (no color) | #5C5C5C | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783FAE
#783FAE
oklch(49.3% 0.172 304.4)
- #526C00
#526C00
oklch(49.2% 0.123 124.5)
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 #783FAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.057
- Purply #983FB2 ΔE 0.061
- Iris #6258C4 ΔE 0.070
- Grape #7209B7 ΔE 0.073
- Slate Blue #6A5ACD ΔE 0.076
- Light Indigo #6D5ACF ΔE 0.076
- Dark Orchid #9932CC ΔE 0.077
Use #783FAE 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.