#6D3F87
Closest named color: Rebecca Purple (#663399). oklch(45.5% 0.122 312), rgb(109, 63, 135).
Aa
White text reads best on this color (7.74:1).
About this color
#6D3F87 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.122 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.046 away. White text reads best on it, at 7.74:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #6D3F87 |
| RGB | rgb(109, 63, 135) |
| HSL | hsl(278, 36%, 39%) |
| OKLCH | oklch(45.5% 0.122 312) |
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 #6D3F87 | 7.74:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6D3F87 | 2.71:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6D3F87 text on white | 7.74:1 | AAA | Lc 86.6 | Fine for body text |
| #6D3F87 text on black | 2.71:1 | Fails | Lc -15.5 | Dividers and decoration only |
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
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E2D2ED
oklch(88.5% 0.04 311.7)
-
Step 300
300
#D0B4E3
oklch(80.9% 0.072 311.5)
-
Step 400
400
#B88BD4
oklch(70.6% 0.114 311.8)
-
Step 500
500
#A76DC9
oklch(63.2% 0.146 311.9)
-
Step 600
600
#9252B5
oklch(55.5% 0.159 312.2)
-
Step 700
700
#7C429C
oklch(49% 0.148 311.9)
-
Step 800
800 (this color)
#6D3F87
oklch(45.5% 0.122 312)
-
Step 900
900
#523066
oklch(37.6% 0.096 311.7)
-
Step 950
950
#301D3C
oklch(27% 0.061 311.2)
#6D3F87 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) | #2D5089 | 0.103 |
| Deuteranopia (no green cones) | #3B5485 | 0.093 |
| Tritanopia (no blue cones) | #6A4B5D | 0.084 |
| Achromatopsia (no color) | #535353 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3F87
#6D3F87
oklch(45.5% 0.122 312)
- #3C6407
#3C6407
oklch(45.6% 0.122 131.9)
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 #6D3F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.046
- Light Eggplant #894585 ΔE 0.058
- Twilight #4E518B ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.069
- Blueberry #464196 ΔE 0.073
- Dusk #4E5481 ΔE 0.075
- Warm Purple #952E8F ΔE 0.081
- Muted Purple #805B87 ΔE 0.084
Use #6D3F87 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.