#6B2C81
Closest named color: Rebecca Purple (#663399). oklch(42% 0.146 316.2), rgb(107, 44, 129).
Aa
White text reads best on this color (9.12:1).
About this color
#6B2C81 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.146 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 0.042 away. White text reads best on it, at 9.12:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #6B2C81 |
| RGB | rgb(107, 44, 129) |
| HSL | hsl(284, 49%, 34%) |
| OKLCH | oklch(42% 0.146 316.2) |
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 #6B2C81 | 9.12:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #6B2C81 | 2.30:1 | Fails | Lc 13.6 | Not readable |
| #6B2C81 text on white | 9.12:1 | AAA | Lc 90.4 | Preferred for body text |
| #6B2C81 text on black | 2.30:1 | Fails | Lc -11.9 | 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E6D0EF
oklch(88.5% 0.048 316.2)
-
Step 300
300
#D7B0E6
oklch(80.9% 0.086 316.5)
-
Step 400
400
#C284D9
oklch(70.6% 0.137 316.5)
-
Step 500
500
#B262CF
oklch(63.1% 0.175 316.3)
-
Step 600
600
#9D46BC
oklch(55.7% 0.189 316.1)
-
Step 700
700
#8636A2
oklch(49.1% 0.176 316.1)
-
Step 800
800 (this color)
#6B2C81
oklch(42% 0.146 316.2)
-
Step 900
900
#582A69
oklch(37.6% 0.114 316)
-
Step 950
950
#341A3E
oklch(27.1% 0.072 315.9)
#6B2C81 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) | #0D4484 | 0.139 |
| Deuteranopia (no green cones) | #2C4A7F | 0.121 |
| Tritanopia (no blue cones) | #6A3B52 | 0.094 |
| Achromatopsia (no color) | #484848 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2C81
#6B2C81
oklch(42% 0.146 316.2)
- #285B00
#285B00
oklch(41.9% 0.125 136.3)
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 #6B2C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.042
- Purple #800080 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.073
- Dark Magenta #8B008B ΔE 0.075
- Rich Purple #720058 ΔE 0.084
- Blueberry #464196 ΔE 0.084
- Light Eggplant #894585 ΔE 0.087
- Warm Purple #952E8F ΔE 0.088
Use #6B2C81 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.