#783FAC
Closest named color: Rebecca Purple (#663399). oklch(49.2% 0.169 305), rgb(120, 63, 172).
Aa
White text reads best on this color (6.76:1).
About this color
#783FAC is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.169 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.053 away. White text reads best on it, at 6.76:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #783FAC |
| RGB | rgb(120, 63, 172) |
| HSL | hsl(271, 46%, 46%) |
| OKLCH | oklch(49.2% 0.169 305) |
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 #783FAC | 6.76:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #783FAC | 3.10:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #783FAC text on white | 6.76:1 | AA | Lc 82.8 | Fine for body text |
| #783FAC text on black | 3.10:1 | AA large text | Lc -19.1 | 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
#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
#CDB4EC
oklch(81% 0.082 305)
-
Step 400
400
#B48AE2
oklch(70.7% 0.132 305.2)
-
Step 500
500
#A16AD9
oklch(63% 0.168 305)
-
Step 600
600
#8D4FC7
oklch(55.7% 0.182 305)
-
Step 700
700 (this color)
#783FAC
oklch(49.2% 0.169 305)
-
Step 800
800
#61358B
oklch(42.7% 0.14 304.8)
-
Step 900
900
#4F2F6F
oklch(37.6% 0.109 304.8)
-
Step 950
950
#2E1C41
oklch(26.9% 0.069 304.6)
#783FAC 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) | #005AAF | 0.140 |
| Deuteranopia (no green cones) | #245BAA | 0.127 |
| Tritanopia (no blue cones) | #6F5670 | 0.123 |
| Achromatopsia (no color) | #5B5B5B | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783FAC
#783FAC
oklch(49.2% 0.169 305)
- #516C00
#516C00
oklch(49.2% 0.123 125)
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 #783FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.060
- Purply #983FB2 ΔE 0.062
- Iris #6258C4 ΔE 0.072
- Grape #7209B7 ΔE 0.074
- Light Eggplant #894585 ΔE 0.076
- Warm Purple #952E8F ΔE 0.076
- Slate Blue #6A5ACD ΔE 0.077
Use #783FAC 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.