#6C3F7D
Closest named color: Rebecca Purple (#663399). oklch(44.8% 0.11 316.1), rgb(108, 63, 125).
Aa
White text reads best on this color (7.94:1).
About this color
#6C3F7D is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.110 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.059 away. White text reads best on it, at 7.94:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #6C3F7D |
| RGB | rgb(108, 63, 125) |
| HSL | hsl(284, 33%, 37%) |
| OKLCH | oklch(44.8% 0.11 316.1) |
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 #6C3F7D | 7.94:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #6C3F7D | 2.64:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #6C3F7D text on white | 7.94:1 | AAA | Lc 87.3 | Fine for body text |
| #6C3F7D text on black | 2.64:1 | Fails | Lc -14.8 | 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
#E3D2E9
oklch(88.4% 0.036 317.3)
-
Step 300
300
#D1B4DD
oklch(80.8% 0.065 316)
-
Step 400
400
#BA8DCC
oklch(70.8% 0.102 316.1)
-
Step 500
500
#A86FBE
oklch(63.1% 0.13 316.1)
-
Step 600
600
#9355AB
oklch(55.6% 0.143 315.9)
-
Step 700
700
#7D4592
oklch(49% 0.132 316.1)
-
Step 800
800 (this color)
#6C3F7D
oklch(44.8% 0.11 316.1)
-
Step 900
900
#533260
oklch(37.7% 0.085 315.9)
-
Step 950
950
#311E38
oklch(27.1% 0.053 316.6)
#6C3F7D 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) | #334E7F | 0.095 |
| Deuteranopia (no green cones) | #40527B | 0.085 |
| Tritanopia (no blue cones) | #6B4858 | 0.072 |
| Achromatopsia (no color) | #515151 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3F7D
#6C3F7D
oklch(44.8% 0.11 316.1)
- #36621D
#36621D
oklch(44.8% 0.11 136.2)
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 #6C3F7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.059
- Light Eggplant #894585 ΔE 0.060
- Twilight #4E518B ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.071
- Dusk #4E5481 ΔE 0.071
- Dusty Grape #545775 ΔE 0.078
- Blueberry #464196 ΔE 0.079
- Brownish Purple #76424E ΔE 0.084
Use #6C3F7D 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.