#6A3889
Closest named color: Rebecca Purple (#663399). oklch(44.1% 0.135 310.5), rgb(106, 56, 137).
Aa
White text reads best on this color (8.26:1).
About this color
#6A3889 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.135 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 8.26:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.53:1 |
| White text | 8.26:1 |
Values
| HEX | #6A3889 |
| RGB | rgb(106, 56, 137) |
| HSL | hsl(277, 42%, 38%) |
| OKLCH | oklch(44.1% 0.135 310.5) |
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 #6A3889 | 8.26:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #6A3889 | 2.53:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #6A3889 text on white | 8.26:1 | AAA | Lc 88.2 | Fine for body text |
| #6A3889 text on black | 2.53:1 | Fails | Lc -14.0 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#D1B3E7
oklch(81% 0.079 310.7)
-
Step 400
400
#B989DB
oklch(70.7% 0.127 310.3)
-
Step 500
500
#A869D1
oklch(63.1% 0.162 310.5)
-
Step 600
600
#934EBE
oklch(55.6% 0.176 310.3)
-
Step 700
700
#7D3EA4
oklch(49.1% 0.163 310.2)
-
Step 800
800 (this color)
#6A3889
oklch(44.1% 0.135 310.5)
-
Step 900
900
#532E6A
oklch(37.6% 0.106 310.8)
-
Step 950
950
#311C3E
oklch(27.1% 0.066 311.2)
#6A3889 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) | #1D4C8C | 0.116 |
| Deuteranopia (no green cones) | #304F87 | 0.103 |
| Tritanopia (no blue cones) | #66475B | 0.094 |
| Achromatopsia (no color) | #4E4E4E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3889
#6A3889
oklch(44.1% 0.135 310.5)
- #3B5F00
#3B5F00
oklch(44.1% 0.12 130.5)
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 #6A3889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.062
- Blueberry #464196 ΔE 0.068
- Light Eggplant #894585 ΔE 0.072
- Twilight #4E518B ΔE 0.075
- Purple #800080 ΔE 0.079
- Warm Purple #952E8F ΔE 0.085
- Dusk #4E5481 ΔE 0.086
Use #6A3889 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.