#783DB0
Closest named color: Rebecca Purple (#663399). oklch(49.2% 0.177 304.2), rgb(120, 61, 176).
Aa
White text reads best on this color (6.78:1).
About this color
#783DB0 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.177 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 6.78:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #783DB0 |
| RGB | rgb(120, 61, 176) |
| HSL | hsl(271, 49%, 46%) |
| OKLCH | oklch(49.2% 0.177 304.2) |
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 #783DB0 | 6.78:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #783DB0 | 3.09:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #783DB0 text on white | 6.78:1 | AA | Lc 82.9 | Fine for body text |
| #783DB0 text on black | 3.09:1 | 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
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#E0D2F3
oklch(88.5% 0.047 304.6)
-
Step 300
300
#CDB3EE
oklch(80.9% 0.086 304.6)
-
Step 400
400
#B389E5
oklch(70.6% 0.137 304.1)
-
Step 500
500
#A169DE
oklch(63.1% 0.175 303.9)
-
Step 600
600
#8D4DCB
oklch(55.6% 0.19 304.3)
-
Step 700
700 (this color)
#783DB0
oklch(49.2% 0.177 304.2)
-
Step 800
800
#61338E
oklch(42.6% 0.146 304.1)
-
Step 900
900
#4F2E72
oklch(37.7% 0.115 303.8)
-
Step 950
950
#2E1C43
oklch(27% 0.072 303.2)
#783DB0 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) | #005AB4 | 0.140 |
| Deuteranopia (no green cones) | #1A5BAD | 0.134 |
| Tritanopia (no blue cones) | #6E5671 | 0.129 |
| Achromatopsia (no color) | #5B5B5B | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783DB0
#783DB0
oklch(49.2% 0.177 304.2)
- #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 #783DB0, 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 0.055
- Purply #983FB2 ΔE 0.062
- Grape #7209B7 ΔE 0.068
- Iris #6258C4 ΔE 0.072
- Dark Orchid #9932CC ΔE 0.075
- Slate Blue #6A5ACD ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.077
Use #783DB0 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.