#6A40AC
Closest named color: Rebecca Purple (#663399). oklch(47.8% 0.165 297.7), rgb(106, 64, 172).
Aa
White text reads best on this color (7.13:1).
About this color
#6A40AC is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.165 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 0.041 away. White text reads best on it, at 7.13:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #6A40AC |
| RGB | rgb(106, 64, 172) |
| HSL | hsl(263, 46%, 46%) |
| OKLCH | oklch(47.8% 0.165 297.7) |
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 #6A40AC | 7.13:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #6A40AC | 2.94:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #6A40AC text on white | 7.13:1 | AAA | Lc 84.3 | Fine for body text |
| #6A40AC text on black | 2.94:1 | 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
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F3
oklch(88.4% 0.045 298.3)
-
Step 300
300
#C6B6EE
oklch(80.9% 0.08 297.7)
-
Step 400
400
#AA8EE6
oklch(70.7% 0.128 297.7)
-
Step 500
500
#966FDE
oklch(63% 0.164 297.7)
-
Step 600
600
#8255CC
oklch(55.7% 0.177 297.8)
-
Step 700
700 (this color)
#6A40AC
oklch(47.8% 0.165 297.7)
-
Step 800
800
#59398F
oklch(42.7% 0.137 297.4)
-
Step 900
900
#493272
oklch(37.7% 0.107 297.6)
-
Step 950
950
#2B1E43
oklch(27.1% 0.068 298)
#6A40AC 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) | #0058AF | 0.117 |
| Deuteranopia (no green cones) | #0A57AA | 0.115 |
| Tritanopia (no blue cones) | #5A5870 | 0.128 |
| Achromatopsia (no color) | #585858 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A40AC
#6A40AC
oklch(47.8% 0.165 297.7)
- #586400
#586400
oklch(47.6% 0.11 117.6)
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 #6A40AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Bluey Purple #6241C7 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Iris #6258C4 ΔE 0.064
- Blurple #5539CC ΔE 0.067
- Blueberry #464196 ΔE 0.071
- Grape #7209B7 ΔE 0.073
- Slate Blue #6A5ACD ΔE 0.075
Use #6A40AC 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.