#6A3A87
Closest named color: Rebecca Purple (#663399). oklch(44.3% 0.13 311), rgb(106, 58, 135).
Aa
White text reads best on this color (8.17:1).
About this color
#6A3A87 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.130 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 0.036 away. White text reads best on it, at 8.17:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #6A3A87 |
| RGB | rgb(106, 58, 135) |
| HSL | hsl(277, 40%, 38%) |
| OKLCH | oklch(44.3% 0.13 311) |
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 #6A3A87 | 8.17:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #6A3A87 | 2.56:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #6A3A87 text on white | 8.17:1 | AAA | Lc 87.9 | Fine for body text |
| #6A3A87 text on black | 2.56:1 | Fails | Lc -14.2 | 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
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E2D2EE
oklch(88.5% 0.042 310.9)
-
Step 300
300
#D0B3E5
oklch(80.8% 0.076 310.8)
-
Step 400
400
#B98AD8
oklch(70.7% 0.121 311.2)
-
Step 500
500
#A76BCD
oklch(63.1% 0.154 311)
-
Step 600
600
#9250BA
oklch(55.6% 0.168 310.8)
-
Step 700
700
#7D40A0
oklch(49.1% 0.156 311.3)
-
Step 800
800 (this color)
#6A3A87
oklch(44.3% 0.13 311)
-
Step 900
900
#532F68
oklch(37.7% 0.101 311.6)
-
Step 950
950
#301C3D
oklch(26.9% 0.064 310.7)
#6A3A87 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) | #234D8A | 0.111 |
| Deuteranopia (no green cones) | #345085 | 0.098 |
| Tritanopia (no blue cones) | #67475B | 0.088 |
| Achromatopsia (no color) | #4F4F4F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3A87
#6A3A87
oklch(44.3% 0.13 311)
- #3A6000
#3A6000
oklch(44.3% 0.121 131.2)
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 #6A3A87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.062
- Blueberry #464196 ΔE 0.069
- Light Eggplant #894585 ΔE 0.069
- Twilight #4E518B ΔE 0.071
- Dusk #4E5481 ΔE 0.082
- Purple #800080 ΔE 0.083
- Warm Purple #952E8F ΔE 0.085
Use #6A3A87 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.