#783181
Closest named color: Rebecca Purple (#663399). oklch(44.5% 0.144 323), rgb(120, 49, 129).
Aa
White text reads best on this color (8.21:1).
About this color
#783181 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.055 away. White text reads best on it, at 8.21:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #783181 |
| RGB | rgb(120, 49, 129) |
| HSL | hsl(293, 45%, 35%) |
| OKLCH | oklch(44.5% 0.144 323) |
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 #783181 | 8.21:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #783181 | 2.55:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #783181 text on white | 8.21:1 | AAA | Lc 87.8 | Fine for body text |
| #783181 text on black | 2.55:1 | Fails | Lc -14.3 | Not readable |
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 800.
-
Step 50
50
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F4
oklch(93.7% 0.024 321.7)
-
Step 200
200
#E9CFEB
oklch(88.4% 0.047 323.8)
-
Step 300
300
#DCAFE0
oklch(81% 0.084 323.6)
-
Step 400
400
#C982D1
oklch(70.7% 0.136 323.3)
-
Step 500
500
#B960C5
oklch(63.1% 0.172 322.7)
-
Step 600
600
#A542B1
oklch(55.6% 0.188 323.2)
-
Step 700
700
#8D3398
oklch(49.1% 0.174 323.2)
-
Step 800
800 (this color)
#783181
oklch(44.5% 0.144 323)
-
Step 900
900
#5D2963
oklch(37.8% 0.111 323.4)
-
Step 950
950
#36193A
oklch(27% 0.07 322.6)
#783181 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) | #224983 | 0.143 |
| Deuteranopia (no green cones) | #3C527F | 0.124 |
| Tritanopia (no blue cones) | #7A3D54 | 0.087 |
| Achromatopsia (no color) | #4F4F4F | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783181
#783181
oklch(44.5% 0.144 323)
- #08660D
#08660D
oklch(44.4% 0.144 143.1)
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 #783181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.055
- Purple #800080 ΔE 0.057
- Light Eggplant #894585 ΔE 0.059
- Warm Purple #952E8F ΔE 0.061
- Dark Magenta #8B008B ΔE 0.063
- Rich Purple #720058 ΔE 0.090
- Velvet #750851 ΔE 0.092
- Red Violet #9E0168 ΔE 0.092
Use #783181 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.