#6C40AC
Closest named color: Rebecca Purple (#663399). oklch(48% 0.166 298.7), rgb(108, 64, 172).
Aa
White text reads best on this color (7.07:1).
About this color
#6C40AC is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.166 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 0.042 away. White text reads best on it, at 7.07:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #6C40AC |
| RGB | rgb(108, 64, 172) |
| HSL | hsl(264, 46%, 46%) |
| OKLCH | oklch(48% 0.166 298.7) |
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 #6C40AC | 7.07:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #6C40AC | 2.96:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #6C40AC text on white | 7.07:1 | AAA | Lc 84.1 | Fine for body text |
| #6C40AC text on black | 2.96:1 | Fails | Lc -17.9 | 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
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F3
oklch(88.5% 0.045 299.7)
-
Step 300
300
#C7B6EE
oklch(80.9% 0.08 298.5)
-
Step 400
400
#AB8EE5
oklch(70.7% 0.127 298.4)
-
Step 500
500
#986FDE
oklch(63.2% 0.164 298.7)
-
Step 600
600
#8354CB
oklch(55.6% 0.178 298.7)
-
Step 700
700 (this color)
#6C40AC
oklch(48% 0.166 298.7)
-
Step 800
800
#5A388E
oklch(42.6% 0.137 298.6)
-
Step 900
900
#4A3272
oklch(37.8% 0.107 298.5)
-
Step 950
950
#2B1E43
oklch(27.1% 0.068 298)
#6C40AC 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 | 0.120 |
| Deuteranopia (no green cones) | #1057AA | 0.116 |
| Tritanopia (no blue cones) | #5D5870 | 0.127 |
| Achromatopsia (no color) | #585858 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C40AC
#6C40AC
oklch(48% 0.166 298.7)
- #576600
#576600
oklch(48.1% 0.113 119.2)
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 #6C40AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.042
- Bluey Purple #6241C7 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Iris #6258C4 ΔE 0.064
- Blurple #5539CC ΔE 0.069
- Grape #7209B7 ΔE 0.073
- Blueberry #464196 ΔE 0.074
- Slate Blue #6A5ACD ΔE 0.075
Use #6C40AC 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.