#6E3379
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.127 321.1), rgb(110, 51, 121).
Aa
White text reads best on this color (8.70:1).
About this color
#6E3379 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.127 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.056 away. White text reads best on it, at 8.70:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #6E3379 |
| RGB | rgb(110, 51, 121) |
| HSL | hsl(291, 41%, 34%) |
| OKLCH | oklch(42.9% 0.127 321.1) |
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 #6E3379 | 8.70:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #6E3379 | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #6E3379 text on white | 8.70:1 | AAA | Lc 89.4 | Fine for body text |
| #6E3379 text on black | 2.41:1 | Fails | Lc -12.8 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F3
oklch(93.5% 0.023 321.4)
-
Step 200
200
#E6D1EA
oklch(88.5% 0.041 320.8)
-
Step 300
300
#D7B1DE
oklch(80.8% 0.075 321.1)
-
Step 400
400
#C287CE
oklch(70.7% 0.119 320.7)
-
Step 500
500
#B267C1
oklch(63.1% 0.152 320.8)
-
Step 600
600
#9D4CAD
oklch(55.6% 0.165 320.8)
-
Step 700
700
#873C94
oklch(49.1% 0.154 321.5)
-
Step 800
800 (this color)
#6E3379
oklch(42.9% 0.127 321.1)
-
Step 900
900
#592D61
oklch(37.7% 0.1 321.3)
-
Step 950
950
#341B39
oklch(27% 0.063 320.8)
#6E3379 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) | #26477B | 0.122 |
| Deuteranopia (no green cones) | #3A4D77 | 0.106 |
| Tritanopia (no blue cones) | #6F3D51 | 0.078 |
| Achromatopsia (no color) | #4B4B4B | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3379
#6E3379
oklch(42.9% 0.127 321.1)
- #1D6012
#1D6012
oklch(43.1% 0.128 141.2)
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 #6E3379, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.056
- Purple #800080 ΔE 0.069
- Light Eggplant #894585 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.078
- Dark Magenta #8B008B ΔE 0.082
- Rich Purple #720058 ΔE 0.083
- Warm Purple #952E8F ΔE 0.084
- Velvet #750851 ΔE 0.085
Use #6E3379 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.