#6C4AA4
Closest named color: Rebecca Purple (#663399). oklch(49% 0.14 298.5), rgb(108, 74, 164).
Aa
White text reads best on this color (6.65:1).
About this color
#6C4AA4 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.140 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 0.055 away. White text reads best on it, at 6.65:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #6C4AA4 |
| RGB | rgb(108, 74, 164) |
| HSL | hsl(263, 38%, 47%) |
| OKLCH | oklch(49% 0.14 298.5) |
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 #6C4AA4 | 6.65:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #6C4AA4 | 3.15:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #6C4AA4 text on white | 6.65:1 | AA | Lc 82.6 | Fine for body text |
| #6C4AA4 text on black | 3.15:1 | AA large text | Lc -19.3 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4EF
oklch(88.5% 0.038 299.2)
-
Step 300
300
#C6B8E7
oklch(81% 0.067 298.5)
-
Step 400
400
#A991DB
oklch(70.6% 0.109 298.5)
-
Step 500
500
#9574D1
oklch(63% 0.139 298.7)
-
Step 600
600
#805BBE
oklch(55.6% 0.151 298.6)
-
Step 700
700 (this color)
#6C4AA4
oklch(49% 0.14 298.5)
-
Step 800
800
#583D85
oklch(42.6% 0.117 298.6)
-
Step 900
900
#48356B
oklch(37.7% 0.091 298.1)
-
Step 950
950
#2A1F3E
oklch(26.8% 0.057 298.8)
#6C4AA4 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) | #255CA7 | 0.098 |
| Deuteranopia (no green cones) | #305BA2 | 0.090 |
| Tritanopia (no blue cones) | #605C70 | 0.109 |
| Achromatopsia (no color) | #5C5C5C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C4AA4
#6C4AA4
oklch(49% 0.14 298.5)
- #5A6900
#5A6900
oklch(49.1% 0.115 119)
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 #6C4AA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.055
- Iris #6258C4 ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.064
- Twilight #4E518B ΔE 0.067
- Slate Blue #6A5ACD ΔE 0.071
- Light Eggplant #894585 ΔE 0.073
- Light Indigo #6D5ACF ΔE 0.074
- Blueberry #464196 ΔE 0.074
Use #6C4AA4 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.