#6E3478
Closest named color: Rebecca Purple (#663399). oklch(43% 0.125 321.6), rgb(110, 52, 120).
Aa
White text reads best on this color (8.65:1).
About this color
#6E3478 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.125 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.058 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #6E3478 |
| RGB | rgb(110, 52, 120) |
| HSL | hsl(291, 40%, 34%) |
| OKLCH | oklch(43% 0.125 321.6) |
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 #6E3478 | 8.65:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #6E3478 | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #6E3478 text on white | 8.65:1 | AAA | Lc 89.3 | Fine for body text |
| #6E3478 text on black | 2.42:1 | Fails | Lc -12.9 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E5F2
oklch(93.5% 0.022 323.4)
-
Step 200
200
#E6D1EA
oklch(88.5% 0.041 320.8)
-
Step 300
300
#D7B2DD
oklch(81% 0.072 321.6)
-
Step 400
400
#C288CC
oklch(70.7% 0.116 321.5)
-
Step 500
500
#B268BF
oklch(63.2% 0.149 321.5)
-
Step 600
600
#9D4DAB
oklch(55.6% 0.162 321.5)
-
Step 700
700
#863D93
oklch(49.1% 0.151 321.4)
-
Step 800
800 (this color)
#6E3478
oklch(43% 0.125 321.6)
-
Step 900
900
#592E60
oklch(37.8% 0.097 321.9)
-
Step 950
950
#341B38
oklch(26.9% 0.062 321.9)
#6E3478 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) | #28477A | 0.119 |
| Deuteranopia (no green cones) | #3B4E76 | 0.105 |
| Tritanopia (no blue cones) | #6F3E51 | 0.077 |
| Achromatopsia (no color) | #4B4B4B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3478
#6E3478
oklch(43% 0.125 321.6)
- #1E6016
#1E6016
oklch(43.1% 0.125 141.6)
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 #6E3478, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.058
- Light Eggplant #894585 ΔE 0.071
- Purple #800080 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.078
- Rich Purple #720058 ΔE 0.084
- Dark Magenta #8B008B ΔE 0.085
- Warm Purple #952E8F ΔE 0.085
- Velvet #750851 ΔE 0.085
Use #6E3478 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.