#6E3891
Closest named color: Rebecca Purple (#663399). oklch(45.1% 0.146 309.8), rgb(110, 56, 145).
Aa
White text reads best on this color (7.96:1).
About this color
#6E3891 is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.146 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.025 away. White text reads best on it, at 7.96:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #6E3891 |
| RGB | rgb(110, 56, 145) |
| HSL | hsl(276, 44%, 39%) |
| OKLCH | oklch(45.1% 0.146 309.8) |
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 #6E3891 | 7.96:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #6E3891 | 2.63:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #6E3891 text on white | 7.96:1 | AAA | Lc 87.1 | Fine for body text |
| #6E3891 text on black | 2.63:1 | Fails | Lc -15.0 | 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
#EFE6F7
oklch(93.7% 0.025 309.4)
-
Step 200
200
#E3D1F1
oklch(88.5% 0.047 310.5)
-
Step 300
300
#D1B2EA
oklch(80.9% 0.084 309.6)
-
Step 400
400
#BA87E0
oklch(70.7% 0.136 309.6)
-
Step 500
500
#A966D7
oklch(63.1% 0.174 309.7)
-
Step 600
600
#9549C4
oklch(55.6% 0.19 310.1)
-
Step 700
700
#7F3AAA
oklch(49.2% 0.176 309.7)
-
Step 800
800 (this color)
#6E3891
oklch(45.1% 0.146 309.8)
-
Step 900
900
#542C6E
oklch(37.7% 0.114 310)
-
Step 950
950
#311B40
oklch(27% 0.071 309.9)
#6E3891 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) | #154E94 | 0.127 |
| Deuteranopia (no green cones) | #2D528F | 0.113 |
| Tritanopia (no blue cones) | #69495F | 0.102 |
| Achromatopsia (no color) | #515151 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3891
#6E3891
oklch(45.1% 0.146 309.8)
- #3F6200
#3F6200
oklch(45.2% 0.121 129.7)
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 #6E3891, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.025
- Light Eggplant #894585 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.070
- Blueberry #464196 ΔE 0.073
- Warm Purple #952E8F ΔE 0.077
- Purple #800080 ΔE 0.078
- Twilight #4E518B ΔE 0.080
- Dark Magenta #8B008B ΔE 0.082
Use #6E3891 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.