#6A3680
Closest named color: Rebecca Purple (#663399). oklch(43.3% 0.128 314.8), rgb(106, 54, 128).
Aa
White text reads best on this color (8.56:1).
About this color
#6A3680 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.128 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.044 away. White text reads best on it, at 8.56:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #6A3680 |
| RGB | rgb(106, 54, 128) |
| HSL | hsl(282, 41%, 36%) |
| OKLCH | oklch(43.3% 0.128 314.8) |
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 #6A3680 | 8.56:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #6A3680 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #6A3680 text on white | 8.56:1 | AAA | Lc 89.0 | Fine for body text |
| #6A3680 text on black | 2.45:1 | Fails | Lc -13.2 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E4D1ED
oklch(88.5% 0.043 315)
-
Step 300
300
#D3B3E2
oklch(81% 0.074 314.9)
-
Step 400
400
#BC89D4
oklch(70.6% 0.12 314.5)
-
Step 500
500
#AB69C8
oklch(63% 0.153 314.8)
-
Step 600
600
#974FB5
oklch(55.7% 0.166 314.9)
-
Step 700
700
#803F9C
oklch(49.1% 0.154 314.5)
-
Step 800
800 (this color)
#6A3680
oklch(43.3% 0.128 314.8)
-
Step 900
900
#552F66
oklch(37.8% 0.1 314.5)
-
Step 950
950
#321C3B
oklch(27% 0.062 315.5)
#6A3680 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) | #234982 | 0.114 |
| Deuteranopia (no green cones) | #354E7E | 0.102 |
| Tritanopia (no blue cones) | #684255 | 0.085 |
| Achromatopsia (no color) | #4C4C4C | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3680
#6A3680
oklch(43.3% 0.128 314.8)
- #2F5E00
#2F5E00
oklch(43.1% 0.125 134.7)
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 #6A3680, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.065
- Light Eggplant #894585 ΔE 0.074
- Blueberry #464196 ΔE 0.075
- Purple #800080 ΔE 0.076
- Twilight #4E518B ΔE 0.079
- Dark Magenta #8B008B ΔE 0.087
- Warm Purple #952E8F ΔE 0.087
Use #6A3680 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.