#7831A4
Closest named color: Rebecca Purple (#663399). oklch(46.8% 0.18 309.4), rgb(120, 49, 164).
Aa
White text reads best on this color (7.57:1).
About this color
#7831A4 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.180 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 7.57:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #7831A4 |
| RGB | rgb(120, 49, 164) |
| HSL | hsl(277, 54%, 42%) |
| OKLCH | oklch(46.8% 0.18 309.4) |
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 #7831A4 | 7.57:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #7831A4 | 2.77:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #7831A4 text on white | 7.57:1 | AAA | Lc 85.6 | Fine for body text |
| #7831A4 text on black | 2.77:1 | Fails | Lc -16.5 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E3D1F2
oklch(88.5% 0.049 309.7)
-
Step 300
300
#D1B2EC
oklch(81% 0.087 308.8)
-
Step 400
400
#BA87E2
oklch(70.8% 0.139 309)
-
Step 500
500
#A965D9
oklch(63.1% 0.178 309.3)
-
Step 600
600
#9548C6
oklch(55.6% 0.193 309.6)
-
Step 700
700 (this color)
#7831A4
oklch(46.8% 0.18 309.4)
-
Step 800
800
#67308B
oklch(42.7% 0.149 309.3)
-
Step 900
900
#542C6F
oklch(37.8% 0.116 309.5)
-
Step 950
950
#311A41
oklch(26.9% 0.074 309.5)
#7831A4 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) | #0051A7 | 0.153 |
| Deuteranopia (no green cones) | #1B55A1 | 0.146 |
| Tritanopia (no blue cones) | #724A67 | 0.124 |
| Achromatopsia (no color) | #545454 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7831A4
#7831A4
oklch(46.8% 0.18 309.4)
- #436700
#436700
oklch(46.8% 0.125 129.5)
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 #7831A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Grape #7209B7 ΔE 0.056
- Warm Purple #952E8F ΔE 0.069
- Dark Magenta #8B008B ΔE 0.072
- Purply #983FB2 ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.075
- Purple #800080 ΔE 0.079
- Light Eggplant #894585 ΔE 0.081
Use #7831A4 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.