#6B40A9
Closest named color: Rebecca Purple (#663399). oklch(47.6% 0.162 299), rgb(107, 64, 169).
Aa
White text reads best on this color (7.16:1).
About this color
#6B40A9 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.162 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 7.16:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #6B40A9 |
| RGB | rgb(107, 64, 169) |
| HSL | hsl(265, 45%, 46%) |
| OKLCH | oklch(47.6% 0.162 299) |
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 #6B40A9 | 7.16:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #6B40A9 | 2.93:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #6B40A9 text on white | 7.16:1 | AAA | Lc 84.4 | Fine for body text |
| #6B40A9 text on black | 2.93:1 | Fails | Lc -17.6 | 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
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F3
oklch(88.5% 0.045 299.7)
-
Step 300
300
#C7B6ED
oklch(80.9% 0.078 298.8)
-
Step 400
400
#AB8EE4
oklch(70.7% 0.126 298.7)
-
Step 500
500
#9870DB
oklch(63.2% 0.159 299.1)
-
Step 600
600
#8355C9
oklch(55.6% 0.174 298.9)
-
Step 700
700 (this color)
#6B40A9
oklch(47.6% 0.162 299)
-
Step 800
800
#5A398D
oklch(42.7% 0.134 298.7)
-
Step 900
900
#4A3270
oklch(37.7% 0.104 299.2)
-
Step 950
950
#2B1E42
oklch(27% 0.066 298.6)
#6B40A9 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) | #0058AC | 0.119 |
| Deuteranopia (no green cones) | #1557A7 | 0.113 |
| Tritanopia (no blue cones) | #5D576E | 0.125 |
| Achromatopsia (no color) | #585858 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B40A9
#6B40A9
oklch(47.6% 0.162 299)
- #566500
#566500
oklch(47.7% 0.112 119.3)
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 #6B40A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Bluey Purple #6241C7 ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Iris #6258C4 ΔE 0.067
- Blueberry #464196 ΔE 0.071
- Blurple #5539CC ΔE 0.072
- Grape #7209B7 ΔE 0.075
- Slate Blue #6A5ACD ΔE 0.078
Use #6B40A9 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.