#6F3D99
Closest named color: Rebecca Purple (#663399). oklch(46.5% 0.148 306.6), rgb(111, 61, 153).
Aa
White text reads best on this color (7.49:1).
About this color
#6F3D99 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.148 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 7.49:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #6F3D99 |
| RGB | rgb(111, 61, 153) |
| HSL | hsl(273, 43%, 42%) |
| OKLCH | oklch(46.5% 0.148 306.6) |
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 #6F3D99 | 7.49:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #6F3D99 | 2.80:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #6F3D99 text on white | 7.49:1 | AAA | Lc 85.6 | Fine for body text |
| #6F3D99 text on black | 2.80:1 | Fails | Lc -16.4 | 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
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3EE
oklch(88.6% 0.039 307.2)
-
Step 300
300
#CCB5E6
oklch(80.9% 0.072 306.1)
-
Step 400
400
#B38DD9
oklch(70.7% 0.115 306.6)
-
Step 500
500
#A06FCE
oklch(63.1% 0.146 306.5)
-
Step 600
600
#8B55BB
oklch(55.6% 0.159 306.4)
-
Step 700
700 (this color)
#6F3D99
oklch(46.5% 0.148 306.6)
-
Step 800
800
#603983
oklch(42.7% 0.123 306.2)
-
Step 900
900
#4F3269
oklch(37.8% 0.096 306.7)
-
Step 950
950
#2E1E3D
oklch(27% 0.059 306.7)
#6F3D99 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) | #16539C | 0.123 |
| Deuteranopia (no green cones) | #2D5597 | 0.109 |
| Tritanopia (no blue cones) | #684F65 | 0.106 |
| Achromatopsia (no color) | #555555 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F3D99
#6F3D99
oklch(46.5% 0.148 306.6)
- #486500
#486500
oklch(46.6% 0.12 126.7)
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 #6F3D99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Light Eggplant #894585 ΔE 0.067
- Blueberry #464196 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.074
- Twilight #4E518B ΔE 0.077
- Warm Purple #952E8F ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.078
- Grape #7209B7 ΔE 0.083
Use #6F3D99 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.