#6E3584
Closest named color: Rebecca Purple (#663399). oklch(43.9% 0.136 315.6), rgb(110, 53, 132).
Aa
White text reads best on this color (8.38:1).
About this color
#6E3584 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.136 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 8.38:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.50:1 |
| White text | 8.38:1 |
Values
| HEX | #6E3584 |
| RGB | rgb(110, 53, 132) |
| HSL | hsl(283, 43%, 36%) |
| OKLCH | oklch(43.9% 0.136 315.6) |
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 #6E3584 | 8.38:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #6E3584 | 2.50:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #6E3584 text on white | 8.38:1 | AAA | Lc 88.5 | Fine for body text |
| #6E3584 text on black | 2.50:1 | Fails | Lc -13.7 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1ED
oklch(88.5% 0.043 316.4)
-
Step 300
300
#D5B1E4
oklch(80.9% 0.08 315.9)
-
Step 400
400
#BF87D6
oklch(70.7% 0.127 315.7)
-
Step 500
500
#AE66CB
oklch(63% 0.163 315.5)
-
Step 600
600
#9A4BB8
oklch(55.7% 0.176 315.7)
-
Step 700
700
#833B9E
oklch(49.1% 0.164 315.7)
-
Step 800
800 (this color)
#6E3584
oklch(43.9% 0.136 315.6)
-
Step 900
900
#572D67
oklch(37.8% 0.105 315.9)
-
Step 950
950
#331B3C
oklch(27% 0.066 316.2)
#6E3584 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) | #1F4A87 | 0.125 |
| Deuteranopia (no green cones) | #354F82 | 0.109 |
| Tritanopia (no blue cones) | #6D4257 | 0.089 |
| Achromatopsia (no color) | #4E4E4E | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3584
#6E3584
oklch(43.9% 0.136 315.6)
- #2E6100
#2E6100
oklch(43.9% 0.129 135.5)
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 #6E3584, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Light Eggplant #894585 ΔE 0.069
- Purple #800080 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.072
- Warm Purple #952E8F ΔE 0.078
- Dark Magenta #8B008B ΔE 0.079
- Blueberry #464196 ΔE 0.080
- Twilight #4E518B ΔE 0.084
Use #6E3584 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.