#6B3195
Closest named color: Rebecca Purple (#663399). oklch(44.1% 0.16 307.8), rgb(107, 49, 149).
Aa
White text reads best on this color (8.40:1).
About this color
#6B3195 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.160 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.012 away. White text reads best on it, at 8.40:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #6B3195 |
| RGB | rgb(107, 49, 149) |
| HSL | hsl(275, 51%, 39%) |
| OKLCH | oklch(44.1% 0.16 307.8) |
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 #6B3195 | 8.40:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #6B3195 | 2.49:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #6B3195 text on white | 8.40:1 | AAA | Lc 88.4 | Fine for body text |
| #6B3195 text on black | 2.49:1 | Fails | Lc -13.8 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E2D1F4
oklch(88.5% 0.051 307.2)
-
Step 300
300
#D1B1F0
oklch(81% 0.093 307.5)
-
Step 400
400
#BA85E8
oklch(70.7% 0.149 307.7)
-
Step 500
500
#A962E1
oklch(63.1% 0.191 307.6)
-
Step 600
600
#9544CE
oklch(55.6% 0.207 308)
-
Step 700
700
#7F34B3
oklch(49.1% 0.193 307.7)
-
Step 800
800 (this color)
#6B3195
oklch(44.1% 0.16 307.8)
-
Step 900
900
#542A73
oklch(37.7% 0.124 308.1)
-
Step 950
950
#311944
oklch(27% 0.08 307.6)
#6B3195 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) | #004B98 | 0.135 |
| Deuteranopia (no green cones) | #1C4E93 | 0.126 |
| Tritanopia (no blue cones) | #64465F | 0.112 |
| Achromatopsia (no color) | #4D4D4D | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3195
#6B3195
oklch(44.1% 0.16 307.8)
- #405E00
#405E00
oklch(44.2% 0.115 128)
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 #6B3195, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.012
- Dark Slate Blue #483D8B ΔE 0.069
- Grape #7209B7 ΔE 0.070
- Blueberry #464196 ΔE 0.072
- Purple #800080 ΔE 0.074
- Dark Magenta #8B008B ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.080
- Warm Purple #952E8F ΔE 0.085
Use #6B3195 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.