#6F3B9F
Closest named color: Rebecca Purple (#663399). oklch(46.7% 0.158 305), rgb(111, 59, 159).
Aa
White text reads best on this color (7.49:1).
About this color
#6F3B9F is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.158 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.027 away. White text reads best on it, at 7.49:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #6F3B9F |
| RGB | rgb(111, 59, 159) |
| HSL | hsl(271, 46%, 43%) |
| OKLCH | oklch(46.7% 0.158 305) |
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 #6F3B9F | 7.49:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #6F3B9F | 2.80:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #6F3B9F text on white | 7.49:1 | AAA | Lc 85.6 | Fine for body text |
| #6F3B9F text on black | 2.80:1 | Fails | Lc -16.5 | 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 700.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#DFD3F0
oklch(88.5% 0.041 304.3)
-
Step 300
300
#CCB5E9
oklch(81% 0.076 304.9)
-
Step 400
400
#B28CDE
oklch(70.7% 0.123 304.8)
-
Step 500
500
#A06DD4
oklch(63.1% 0.156 305.2)
-
Step 600
600
#8B53C1
oklch(55.6% 0.169 305)
-
Step 700
700 (this color)
#6F3B9F
oklch(46.7% 0.158 305)
-
Step 800
800
#603787
oklch(42.6% 0.131 305.1)
-
Step 900
900
#4E316C
oklch(37.7% 0.101 304.7)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#6F3B9F 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) | #0053A2 | 0.131 |
| Deuteranopia (no green cones) | #23559D | 0.118 |
| Tritanopia (no blue cones) | #665067 | 0.116 |
| Achromatopsia (no color) | #555555 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F3B9F
#6F3B9F
oklch(46.7% 0.158 305)
- #4B6400
#4B6400
oklch(46.6% 0.117 124.8)
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 #6F3B9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.027
- Bluey Purple #6241C7 ΔE 0.069
- Grape #7209B7 ΔE 0.073
- Blueberry #464196 ΔE 0.074
- Light Eggplant #894585 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.077
- Warm Purple #952E8F ΔE 0.080
- Blue With A Hint Of Purple #533CC6 ΔE 0.082
Use #6F3B9F 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.