#6A3C76
Closest named color: Rebecca Purple (#663399). oklch(43.6% 0.106 319.1), rgb(106, 60, 118).
Aa
White text reads best on this color (8.33:1).
About this color
#6A3C76 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.106 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.065 away. White text reads best on it, at 8.33:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #6A3C76 |
| RGB | rgb(106, 60, 118) |
| HSL | hsl(288, 33%, 35%) |
| OKLCH | oklch(43.6% 0.106 319.1) |
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 #6A3C76 | 8.33:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #6A3C76 | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #6A3C76 text on white | 8.33:1 | AAA | Lc 88.5 | Fine for body text |
| #6A3C76 text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E3D2E8
oklch(88.4% 0.035 318.5)
-
Step 300
300
#D2B4DA
oklch(80.8% 0.062 319.1)
-
Step 400
400
#BB8DC8
oklch(70.7% 0.098 318.7)
-
Step 500
500
#AA6FBA
oklch(63.1% 0.127 318.9)
-
Step 600
600
#9555A6
oklch(55.5% 0.139 318.9)
-
Step 700
700
#7F458E
oklch(49.1% 0.129 319.1)
-
Step 800
800 (this color)
#6A3C76
oklch(43.6% 0.106 319.1)
-
Step 900
900
#54325D
oklch(37.7% 0.082 319)
-
Step 950
950
#311E37
oklch(27.1% 0.052 317.8)
#6A3C76 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) | #324B78 | 0.095 |
| Deuteranopia (no green cones) | #405074 | 0.085 |
| Tritanopia (no blue cones) | #6A4453 | 0.068 |
| Achromatopsia (no color) | #4E4E4E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3C76
#6A3C76
oklch(43.6% 0.106 319.1)
- #2F5F21
#2F5F21
oklch(43.7% 0.107 139.2)
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 #6A3C76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.065
- Light Eggplant #894585 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.072
- Twilight #4E518B ΔE 0.072
- Dusk #4E5481 ΔE 0.075
- Brownish Purple #76424E ΔE 0.077
- Dusty Grape #545775 ΔE 0.081
- Blueberry #464196 ΔE 0.082
Use #6A3C76 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.