#7543A4
Closest named color: Rebecca Purple (#663399). oklch(48.9% 0.153 305.2), rgb(117, 67, 164).
Aa
White text reads best on this color (6.78:1).
About this color
#7543A4 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.153 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 0.049 away. White text reads best on it, at 6.78:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #7543A4 |
| RGB | rgb(117, 67, 164) |
| HSL | hsl(271, 42%, 45%) |
| OKLCH | oklch(48.9% 0.153 305.2) |
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 #7543A4 | 6.78:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #7543A4 | 3.09:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #7543A4 text on white | 6.78:1 | AA | Lc 83.0 | Fine for body text |
| #7543A4 text on black | 3.09:1 | AA large text | Lc -18.9 | 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
#EDE7F6
oklch(93.7% 0.021 304)
-
Step 200
200
#DFD3F0
oklch(88.5% 0.041 304.3)
-
Step 300
300
#CCB5E8
oklch(80.9% 0.075 305.3)
-
Step 400
400
#B28DDC
oklch(70.7% 0.119 305.1)
-
Step 500
500
#9F6ED2
oklch(63% 0.152 305.1)
-
Step 600
600
#8B54BF
oklch(55.7% 0.165 305.4)
-
Step 700
700 (this color)
#7543A4
oklch(48.9% 0.153 305.2)
-
Step 800
800
#603885
oklch(42.6% 0.127 305.7)
-
Step 900
900
#4E316B
oklch(37.6% 0.1 305.2)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#7543A4 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 | 0.124 |
| Deuteranopia (no green cones) | #305BA2 | 0.111 |
| Tritanopia (no blue cones) | #6D566D | 0.112 |
| Achromatopsia (no color) | #5B5B5B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7543A4
#7543A4
oklch(48.9% 0.153 305.2)
- #506B00
#506B00
oklch(48.8% 0.123 125.1)
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 #7543A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.049
- Light Eggplant #894585 ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.067
- Purply #983FB2 ΔE 0.069
- Iris #6258C4 ΔE 0.071
- Warm Purple #952E8F ΔE 0.076
- Slate Blue #6A5ACD ΔE 0.080
- Light Indigo #6D5ACF ΔE 0.081
Use #7543A4 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.