#6E3181
Closest named color: Rebecca Purple (#663399). oklch(43.1% 0.139 317.4), rgb(110, 49, 129).
Aa
White text reads best on this color (8.68:1).
About this color
#6E3181 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.139 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 8.68:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #6E3181 |
| RGB | rgb(110, 49, 129) |
| HSL | hsl(286, 45%, 35%) |
| OKLCH | oklch(43.1% 0.139 317.4) |
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 #6E3181 | 8.68:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #6E3181 | 2.41:1 | Fails | Lc 14.7 | Not readable |
| #6E3181 text on white | 8.68:1 | AAA | Lc 89.3 | Fine for body text |
| #6E3181 text on black | 2.41:1 | Fails | Lc -13.0 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E6D0ED
oklch(88.4% 0.046 318)
-
Step 300
300
#D7B1E4
oklch(81% 0.081 317.4)
-
Step 400
400
#C286D6
oklch(70.8% 0.13 317.4)
-
Step 500
500
#B164CA
oklch(63% 0.166 317.4)
-
Step 600
600
#9D48B7
oklch(55.6% 0.181 317.6)
-
Step 700
700
#86389E
oklch(49.1% 0.169 317.4)
-
Step 800
800 (this color)
#6E3181
oklch(43.1% 0.139 317.4)
-
Step 900
900
#582B67
oklch(37.6% 0.11 317)
-
Step 950
950
#341A3C
oklch(27% 0.069 317.8)
#6E3181 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) | #1B4784 | 0.131 |
| Deuteranopia (no green cones) | #334D7F | 0.115 |
| Tritanopia (no blue cones) | #6D3E54 | 0.089 |
| Achromatopsia (no color) | #4B4B4B | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3181
#6E3181
oklch(43.1% 0.139 317.4)
- #265F00
#265F00
oklch(43% 0.131 137.4)
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 #6E3181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Purple #800080 ΔE 0.063
- Light Eggplant #894585 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.075
- Dark Magenta #8B008B ΔE 0.075
- Warm Purple #952E8F ΔE 0.080
- Blueberry #464196 ΔE 0.084
- Rich Purple #720058 ΔE 0.089
Use #6E3181 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.