#6A3C8F
Closest named color: Rebecca Purple (#663399). oklch(45.1% 0.136 307.4), rgb(106, 60, 143).
Aa
White text reads best on this color (7.90:1).
About this color
#6A3C8F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.136 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.029 away. White text reads best on it, at 7.90:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #6A3C8F |
| RGB | rgb(106, 60, 143) |
| HSL | hsl(273, 41%, 40%) |
| OKLCH | oklch(45.1% 0.136 307.4) |
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 #6A3C8F | 7.90:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #6A3C8F | 2.65:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #6A3C8F text on white | 7.90:1 | AAA | Lc 87.1 | Fine for body text |
| #6A3C8F text on black | 2.65:1 | Fails | Lc -15.0 | Dividers and decoration only |
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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F0
oklch(88.5% 0.044 307.9)
-
Step 300
300
#CEB3E9
oklch(80.8% 0.08 307.4)
-
Step 400
400
#B68ADE
oklch(70.7% 0.128 307.5)
-
Step 500
500
#A46AD5
oklch(63.1% 0.164 307.4)
-
Step 600
600
#8F4FC2
oklch(55.6% 0.177 307.2)
-
Step 700
700
#7A3FA7
oklch(49.1% 0.164 307.6)
-
Step 800
800 (this color)
#6A3C8F
oklch(45.1% 0.136 307.4)
-
Step 900
900
#512F6C
oklch(37.7% 0.106 307.9)
-
Step 950
950
#2F1C40
oklch(27% 0.068 306.8)
#6A3C8F 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) | #1E5092 | 0.112 |
| Deuteranopia (no green cones) | #30528D | 0.100 |
| Tritanopia (no blue cones) | #644B5F | 0.097 |
| Achromatopsia (no color) | #515151 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3C8F
#6A3C8F
oklch(45.1% 0.136 307.4)
- #436100
#436100
oklch(45.2% 0.118 127.6)
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 #6A3C8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Dark Slate Blue #483D8B ΔE 0.062
- Blueberry #464196 ΔE 0.064
- Twilight #4E518B ΔE 0.069
- Light Eggplant #894585 ΔE 0.070
- Dusk #4E5481 ΔE 0.082
- Warm Purple #952E8F ΔE 0.085
- Purple #800080 ΔE 0.088
Use #6A3C8F 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.