#6C43AB
Closest named color: Rebecca Purple (#663399). oklch(48.4% 0.16 298.4), rgb(108, 67, 171).
Aa
White text reads best on this color (6.93:1).
About this color
#6C43AB is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.160 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.045 away. White text reads best on it, at 6.93:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.02:1 |
| White text | 6.93:1 |
Values
| HEX | #6C43AB |
| RGB | rgb(108, 67, 171) |
| HSL | hsl(264, 44%, 47%) |
| OKLCH | oklch(48.4% 0.16 298.4) |
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 #6C43AB | 6.93:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #6C43AB | 3.02:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #6C43AB text on white | 6.93:1 | AA | Lc 83.6 | Fine for body text |
| #6C43AB text on black | 3.02:1 | AA large text | Lc -18.4 | 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
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C7B6ED
oklch(80.9% 0.078 298.8)
-
Step 400
400
#AB8FE3
oklch(70.8% 0.123 298.6)
-
Step 500
500
#9770DB
oklch(63.1% 0.159 298.6)
-
Step 600
600
#8256C9
oklch(55.7% 0.172 298.3)
-
Step 700
700 (this color)
#6C43AB
oklch(48.4% 0.16 298.4)
-
Step 800
800
#5A3A8C
oklch(42.8% 0.131 298.7)
-
Step 900
900
#493370
oklch(37.7% 0.102 298)
-
Step 950
950
#2B1E42
oklch(27% 0.066 298.6)
#6C43AB 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) | #005AAE | 0.118 |
| Deuteranopia (no green cones) | #1A59A9 | 0.110 |
| Tritanopia (no blue cones) | #5E5970 | 0.123 |
| Achromatopsia (no color) | #5A5A5A | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C43AB
#6C43AB
oklch(48.4% 0.16 298.4)
- #596700
#596700
oklch(48.5% 0.113 118.6)
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 #6C43AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.049
- Iris #6258C4 ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Slate Blue #6A5ACD ΔE 0.071
- Blurple #5539CC ΔE 0.072
- Light Indigo #6D5ACF ΔE 0.074
- Blueberry #464196 ΔE 0.074
Use #6C43AB 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.