#6D3985
Closest named color: Rebecca Purple (#663399). oklch(44.4% 0.13 313.9), rgb(109, 57, 133).
Aa
White text reads best on this color (8.15:1).
About this color
#6D3985 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.130 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 8.15:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #6D3985 |
| RGB | rgb(109, 57, 133) |
| HSL | hsl(281, 40%, 37%) |
| OKLCH | oklch(44.4% 0.13 313.9) |
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 #6D3985 | 8.15:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #6D3985 | 2.57:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #6D3985 text on white | 8.15:1 | AAA | Lc 87.8 | Fine for body text |
| #6D3985 text on black | 2.57:1 | Fails | Lc -14.3 | 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
#E3D1ED
oklch(88.4% 0.043 313.7)
-
Step 300
300
#D3B3E4
oklch(81% 0.076 313.8)
-
Step 400
400
#BC89D6
oklch(70.7% 0.122 313.8)
-
Step 500
500
#AB69CA
oklch(63.1% 0.155 314.1)
-
Step 600
600
#964EB7
oklch(55.6% 0.169 313.9)
-
Step 700
700
#803E9E
oklch(49.1% 0.158 313.8)
-
Step 800
800 (this color)
#6D3985
oklch(44.4% 0.13 313.9)
-
Step 900
900
#552E67
oklch(37.7% 0.103 314.1)
-
Step 950
950
#321C3C
oklch(27.1% 0.064 314.5)
#6D3985 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) | #254C87 | 0.115 |
| Deuteranopia (no green cones) | #375183 | 0.102 |
| Tritanopia (no blue cones) | #6B4659 | 0.088 |
| Achromatopsia (no color) | #4F4F4F | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3985
#6D3985
oklch(44.4% 0.13 313.9)
- #336200
#336200
oklch(44.5% 0.128 134.1)
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 #6D3985, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Light Eggplant #894585 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.068
- Blueberry #464196 ΔE 0.075
- Twilight #4E518B ΔE 0.076
- Purple #800080 ΔE 0.078
- Warm Purple #952E8F ΔE 0.080
- Dusk #4E5481 ΔE 0.085
Use #6D3985 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.