#6343A6
Closest named color: Rebecca Purple (#663399). oklch(47.1% 0.153 294.7), rgb(99, 67, 166).
Aa
White text reads best on this color (7.28:1).
About this color
#6343A6 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.153 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 7.28:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #6343A6 |
| RGB | rgb(99, 67, 166) |
| HSL | hsl(259, 42%, 46%) |
| OKLCH | oklch(47.1% 0.153 294.7) |
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 #6343A6 | 7.28:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #6343A6 | 2.88:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #6343A6 text on white | 7.28:1 | AAA | Lc 84.9 | Fine for body text |
| #6343A6 text on black | 2.88:1 | Fails | Lc -17.1 | 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
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F2
oklch(88.4% 0.041 294.7)
-
Step 300
300
#C3B8EC
oklch(80.9% 0.073 294.4)
-
Step 400
400
#A691E3
oklch(70.7% 0.119 294.9)
-
Step 500
500
#9174DA
oklch(63.1% 0.15 294.8)
-
Step 600
600
#7C5AC8
oklch(55.6% 0.165 294.7)
-
Step 700
700 (this color)
#6343A6
oklch(47.1% 0.153 294.7)
-
Step 800
800
#553D8C
oklch(42.8% 0.126 294.5)
-
Step 900
900
#463570
oklch(37.8% 0.098 294.5)
-
Step 950
950
#291F41
oklch(26.9% 0.062 295.5)
#6343A6 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) | #0057A9 | 0.104 |
| Deuteranopia (no green cones) | #1455A4 | 0.098 |
| Tritanopia (no blue cones) | #52596E | 0.121 |
| Achromatopsia (no color) | #575757 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6343A6
#6343A6
oklch(47.1% 0.153 294.7)
- #5A6100
#5A6100
oklch(47% 0.106 114.6)
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 #6343A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Bluey Purple #6241C7 ΔE 0.053
- Blueberry #464196 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Iris #6258C4 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.066
- Twilight #4E518B ΔE 0.068
- Blurple #5539CC ΔE 0.070
Use #6343A6 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.