#6E3387
Closest named color: Rebecca Purple (#663399). oklch(43.8% 0.143 314.5), rgb(110, 51, 135).
Aa
White text reads best on this color (8.44:1).
About this color
#6E3387 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.143 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 8.44:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #6E3387 |
| RGB | rgb(110, 51, 135) |
| HSL | hsl(282, 45%, 36%) |
| OKLCH | oklch(43.8% 0.143 314.5) |
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 #6E3387 | 8.44:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #6E3387 | 2.48:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #6E3387 text on white | 8.44:1 | AAA | Lc 88.6 | Fine for body text |
| #6E3387 text on black | 2.48:1 | Fails | Lc -13.6 | 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
#E5D1EF
oklch(88.6% 0.046 314.6)
-
Step 300
300
#D5B1E6
oklch(80.9% 0.083 314.8)
-
Step 400
400
#BF86DA
oklch(70.7% 0.133 314.4)
-
Step 500
500
#AF64D0
oklch(63.1% 0.172 314.6)
-
Step 600
600
#9A48BC
oklch(55.6% 0.185 314.7)
-
Step 700
700
#8338A2
oklch(49% 0.172 314.5)
-
Step 800
800 (this color)
#6E3387
oklch(43.8% 0.143 314.5)
-
Step 900
900
#572C6A
oklch(37.8% 0.111 314.4)
-
Step 950
950
#331A3E
oklch(27% 0.071 314.6)
#6E3387 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) | #184A8A | 0.131 |
| Deuteranopia (no green cones) | #314F85 | 0.115 |
| Tritanopia (no blue cones) | #6C4258 | 0.094 |
| Achromatopsia (no color) | #4D4D4D | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3387
#6E3387
oklch(43.8% 0.143 314.5)
- #316000
#316000
oklch(43.8% 0.127 134.4)
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 #6E3387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Purple #800080 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.072
- Light Eggplant #894585 ΔE 0.072
- Dark Magenta #8B008B ΔE 0.076
- Warm Purple #952E8F ΔE 0.078
- Blueberry #464196 ΔE 0.079
- Twilight #4E518B ΔE 0.087
Use #6E3387 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.