#6C3693
Closest named color: Rebecca Purple (#663399). oklch(44.7% 0.151 308.2), rgb(108, 54, 147).
Aa
White text reads best on this color (8.11:1).
About this color
#6C3693 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.151 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.018 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #6C3693 |
| RGB | rgb(108, 54, 147) |
| HSL | hsl(275, 46%, 39%) |
| OKLCH | oklch(44.7% 0.151 308.2) |
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 #6C3693 | 8.11:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #6C3693 | 2.58:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #6C3693 text on white | 8.11:1 | AAA | Lc 87.6 | Fine for body text |
| #6C3693 text on black | 2.58:1 | Fails | Lc -14.5 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E2D1F3
oklch(88.5% 0.049 307.8)
-
Step 300
300
#D1B2ED
oklch(81% 0.088 308.4)
-
Step 400
400
#B987E3
oklch(70.7% 0.14 308.2)
-
Step 500
500
#A865DB
oklch(63.1% 0.18 308.3)
-
Step 600
600
#9348C9
oklch(55.5% 0.196 308)
-
Step 700
700
#7E38AE
oklch(49.1% 0.183 308.3)
-
Step 800
800 (this color)
#6C3693
oklch(44.7% 0.151 308.2)
-
Step 900
900
#532C70
oklch(37.7% 0.117 308.3)
-
Step 950
950
#311A42
oklch(27% 0.076 308.7)
#6C3693 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) | #064D96 | 0.131 |
| Deuteranopia (no green cones) | #275091 | 0.115 |
| Tritanopia (no blue cones) | #66485F | 0.106 |
| Achromatopsia (no color) | #505050 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3693
#6C3693
oklch(44.7% 0.151 308.2)
- #416000
#416000
oklch(44.8% 0.117 128.2)
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 #6C3693, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.018
- Dark Slate Blue #483D8B ΔE 0.067
- Blueberry #464196 ΔE 0.070
- Light Eggplant #894585 ΔE 0.076
- Purple #800080 ΔE 0.078
- Grape #7209B7 ΔE 0.079
- Warm Purple #952E8F ΔE 0.082
- Dark Magenta #8B008B ΔE 0.082
Use #6C3693 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.