#783FA5
Closest named color: Rebecca Purple (#663399). oklch(48.7% 0.161 307.2), rgb(120, 63, 165).
Aa
White text reads best on this color (6.87:1).
About this color
#783FA5 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.161 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.048 away. White text reads best on it, at 6.87:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.05:1 |
| White text | 6.87:1 |
Values
| HEX | #783FA5 |
| RGB | rgb(120, 63, 165) |
| HSL | hsl(274, 45%, 45%) |
| OKLCH | oklch(48.7% 0.161 307.2) |
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 #783FA5 | 6.87:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #783FA5 | 3.05:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #783FA5 text on white | 6.87:1 | AA | Lc 83.3 | Fine for body text |
| #783FA5 text on black | 3.05:1 | AA large text | Lc -18.6 | 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
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F0
oklch(88.5% 0.044 307.9)
-
Step 300
300
#CEB4E9
oklch(81% 0.078 307)
-
Step 400
400
#B58BDD
oklch(70.7% 0.124 307)
-
Step 500
500
#A36BD4
oklch(63.1% 0.161 307)
-
Step 600
600
#8E50C1
oklch(55.5% 0.174 306.9)
-
Step 700
700 (this color)
#783FA5
oklch(48.7% 0.161 307.2)
-
Step 800
800
#633687
oklch(42.8% 0.134 307.3)
-
Step 900
900
#50306C
oklch(37.7% 0.103 306.7)
-
Step 950
950
#2F1C3F
oklch(26.9% 0.067 307.6)
#783FA5 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) | #0C58A8 | 0.138 |
| Deuteranopia (no green cones) | #2D5BA3 | 0.122 |
| Tritanopia (no blue cones) | #71536C | 0.115 |
| Achromatopsia (no color) | #5A5A5A | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783FA5
#783FA5
oklch(48.7% 0.161 307.2)
- #4C6C00
#4C6C00
oklch(48.8% 0.126 127.2)
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 #783FA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.048
- Purply #983FB2 ΔE 0.064
- Light Eggplant #894585 ΔE 0.067
- Bluey Purple #6241C7 ΔE 0.068
- Warm Purple #952E8F ΔE 0.070
- Iris #6258C4 ΔE 0.078
- Grape #7209B7 ΔE 0.079
- Slate Blue #6A5ACD ΔE 0.085
Use #783FA5 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.