#6543AC
Closest named color: Bluey Purple (#6241C7). oklch(47.7% 0.161 294.4), rgb(101, 67, 172).
Aa
White text reads best on this color (7.11:1).
About this color
#6543AC is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.161 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.044 away. White text reads best on it, at 7.11:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #6543AC |
| RGB | rgb(101, 67, 172) |
| HSL | hsl(259, 44%, 47%) |
| OKLCH | oklch(47.7% 0.161 294.4) |
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 #6543AC | 7.11:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #6543AC | 2.95:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #6543AC text on white | 7.11:1 | AAA | Lc 84.3 | Fine for body text |
| #6543AC text on black | 2.95:1 | Fails | Lc -17.7 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C3B7EE
oklch(80.8% 0.078 294.6)
-
Step 400
400
#A690E6
oklch(70.7% 0.125 294.8)
-
Step 500
500
#9172DE
oklch(63% 0.159 294.7)
-
Step 600
600
#7C58CC
oklch(55.6% 0.173 294.4)
-
Step 700
700 (this color)
#6543AC
oklch(47.7% 0.161 294.4)
-
Step 800
800
#553B8F
oklch(42.6% 0.133 294.3)
-
Step 900
900
#463472
oklch(37.7% 0.103 294.3)
-
Step 950
950
#291F43
oklch(27.1% 0.065 294.4)
#6543AC 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) | #0059AF | 0.107 |
| Deuteranopia (no green cones) | #0756AA | 0.105 |
| Tritanopia (no blue cones) | #525A71 | 0.127 |
| Achromatopsia (no color) | #585858 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6543AC
#6543AC
oklch(47.7% 0.161 294.4)
- #5C6300
#5C6300
oklch(47.7% 0.108 114.5)
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 #6543AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.044
- Rebecca Purple #663399 ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Iris #6258C4 ΔE 0.059
- Blurple #5539CC ΔE 0.063
- Blueberry #464196 ΔE 0.064
- Slate Blue #6A5ACD ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.075
Use #6543AC 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.