#6434A9
Closest named color: Rebecca Purple (#663399). oklch(45.2% 0.177 297.6), rgb(100, 52, 169).
Aa
White text reads best on this color (8.05:1).
About this color
#6434A9 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.177 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 0.026 away. White text reads best on it, at 8.05:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #6434A9 |
| RGB | rgb(100, 52, 169) |
| HSL | hsl(265, 53%, 43%) |
| OKLCH | oklch(45.2% 0.177 297.6) |
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 #6434A9 | 8.05:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #6434A9 | 2.60:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #6434A9 text on white | 8.05:1 | AAA | Lc 87.3 | Fine for body text |
| #6434A9 text on black | 2.60:1 | Fails | Lc -14.8 | Not readable |
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 800.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DDD2FB
oklch(88.6% 0.057 297.5)
-
Step 300
300
#C8B2FB
oklch(80.8% 0.104 297.9)
-
Step 400
400
#AE87F9
oklch(70.8% 0.165 297.8)
-
Step 500
500
#9B63F6
oklch(63.1% 0.211 297.6)
-
Step 600
600
#8743E5
oklch(55.6% 0.23 297.5)
-
Step 700
700
#7332C7
oklch(49.1% 0.214 297.7)
-
Step 800
800 (this color)
#6434A9
oklch(45.2% 0.177 297.6)
-
Step 900
900
#4C2A80
oklch(37.7% 0.138 297.5)
-
Step 950
950
#2C1A4B
oklch(27% 0.087 297.1)
#6434A9 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) | #0050AD | 0.117 |
| Deuteranopia (no green cones) | #004FA7 | 0.118 |
| Tritanopia (no blue cones) | #53506A | 0.135 |
| Achromatopsia (no color) | #505050 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6434A9
#6434A9
oklch(45.2% 0.177 297.6)
- #515D00
#515D00
oklch(45.2% 0.105 118.1)
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 #6434A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.026
- Bluey Purple #6241C7 ΔE 0.054
- Grape #7209B7 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.063
- Blurple #5539CC ΔE 0.064
- Blueberry #464196 ΔE 0.064
- Purple Blue #5D21D0 ΔE 0.069
Use #6434A9 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.