#7643A4
Closest named color: Rebecca Purple (#663399). oklch(49% 0.154 305.7), rgb(118, 67, 164).
Aa
White text reads best on this color (6.75:1).
About this color
#7643A4 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.154 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.050 away. White text reads best on it, at 6.75:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #7643A4 |
| RGB | rgb(118, 67, 164) |
| HSL | hsl(272, 42%, 45%) |
| OKLCH | oklch(49% 0.154 305.7) |
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 #7643A4 | 6.75:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #7643A4 | 3.10:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #7643A4 text on white | 6.75:1 | AA | Lc 82.9 | Fine for body text |
| #7643A4 text on black | 3.10:1 | AA large text | Lc -19.0 | 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
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D3EF
oklch(88.6% 0.04 306.5)
-
Step 300
300
#CCB5E7
oklch(80.9% 0.073 305.7)
-
Step 400
400
#B38DDB
oklch(70.8% 0.118 306)
-
Step 500
500
#A06ED2
oklch(63.1% 0.152 305.6)
-
Step 600
600
#8B54BF
oklch(55.7% 0.165 305.4)
-
Step 700
700 (this color)
#7643A4
oklch(49% 0.154 305.7)
-
Step 800
800
#603885
oklch(42.6% 0.127 305.7)
-
Step 900
900
#4F316B
oklch(37.7% 0.1 306.1)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#7643A4 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) | #1A5AA7 | 0.126 |
| Deuteranopia (no green cones) | #315CA2 | 0.112 |
| Tritanopia (no blue cones) | #6E566D | 0.112 |
| Achromatopsia (no color) | #5B5B5B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7643A4
#7643A4
oklch(49% 0.154 305.7)
- #4F6C00
#4F6C00
oklch(49% 0.125 125.9)
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 #7643A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Light Eggplant #894585 ΔE 0.064
- Purply #983FB2 ΔE 0.067
- Bluey Purple #6241C7 ΔE 0.068
- Iris #6258C4 ΔE 0.072
- Warm Purple #952E8F ΔE 0.074
- Slate Blue #6A5ACD ΔE 0.080
- Deep Lavender #8D5EB7 ΔE 0.081
Use #7643A4 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.