#6C3385
Closest named color: Rebecca Purple (#663399). oklch(43.4% 0.14 314.2), rgb(108, 51, 133).
Aa
White text reads best on this color (8.57:1).
About this color
#6C3385 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.140 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 0.036 away. White text reads best on it, at 8.57:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #6C3385 |
| RGB | rgb(108, 51, 133) |
| HSL | hsl(282, 45%, 36%) |
| OKLCH | oklch(43.4% 0.14 314.2) |
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 #6C3385 | 8.57:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #6C3385 | 2.44:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #6C3385 text on white | 8.57:1 | AAA | Lc 89.0 | Fine for body text |
| #6C3385 text on black | 2.44:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E4D1EF
oklch(88.5% 0.045 313.3)
-
Step 300
300
#D4B1E6
oklch(80.8% 0.082 314.1)
-
Step 400
400
#BE87D9
oklch(70.7% 0.13 314.1)
-
Step 500
500
#AE66CF
oklch(63.2% 0.167 314.2)
-
Step 600
600
#994ABB
oklch(55.6% 0.181 314.4)
-
Step 700
700
#823AA1
oklch(49% 0.168 314.2)
-
Step 800
800 (this color)
#6C3385
oklch(43.4% 0.14 314.2)
-
Step 900
900
#562C69
oklch(37.6% 0.109 314.2)
-
Step 950
950
#321B3D
oklch(27% 0.067 313.9)
#6C3385 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) | #194988 | 0.127 |
| Deuteranopia (no green cones) | #304E83 | 0.112 |
| Tritanopia (no blue cones) | #6A4257 | 0.093 |
| Achromatopsia (no color) | #4C4C4C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3385
#6C3385
oklch(43.4% 0.14 314.2)
- #315F00
#315F00
oklch(43.5% 0.125 134.2)
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 #6C3385, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Purple #800080 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.069
- Light Eggplant #894585 ΔE 0.075
- Blueberry #464196 ΔE 0.077
- Dark Magenta #8B008B ΔE 0.079
- Warm Purple #952E8F ΔE 0.082
- Twilight #4E518B ΔE 0.086
Use #6C3385 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.