#6F3380
Closest named color: Rebecca Purple (#663399). oklch(43.5% 0.135 318.3), rgb(111, 51, 128).
Aa
White text reads best on this color (8.53:1).
About this color
#6F3380 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.135 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.046 away. White text reads best on it, at 8.53:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.46:1 |
| White text | 8.53:1 |
Values
| HEX | #6F3380 |
| RGB | rgb(111, 51, 128) |
| HSL | hsl(287, 43%, 35%) |
| OKLCH | oklch(43.5% 0.135 318.3) |
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 #6F3380 | 8.53:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #6F3380 | 2.46:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #6F3380 text on white | 8.53:1 | AAA | Lc 88.9 | Fine for body text |
| #6F3380 text on black | 2.46:1 | Fails | Lc -13.3 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E6D1EC
oklch(88.6% 0.043 318.7)
-
Step 300
300
#D7B1E2
oklch(81% 0.079 318.6)
-
Step 400
400
#C286D3
oklch(70.7% 0.127 318.6)
-
Step 500
500
#B165C8
oklch(63% 0.162 317.9)
-
Step 600
600
#9D49B4
oklch(55.6% 0.177 318.5)
-
Step 700
700
#863A9B
oklch(49.2% 0.164 318.4)
-
Step 800
800 (this color)
#6F3380
oklch(43.5% 0.135 318.3)
-
Step 900
900
#582C65
oklch(37.7% 0.105 318.1)
-
Step 950
950
#341A3B
oklch(26.9% 0.068 318.8)
#6F3380 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) | #214882 | 0.127 |
| Deuteranopia (no green cones) | #374E7E | 0.111 |
| Tritanopia (no blue cones) | #6F3F54 | 0.086 |
| Achromatopsia (no color) | #4C4C4C | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F3380
#6F3380
oklch(43.5% 0.135 318.3)
- #236100
#236100
oklch(43.5% 0.135 138.2)
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 #6F3380, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.046
- Purple #800080 ΔE 0.066
- Light Eggplant #894585 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.076
- Dark Magenta #8B008B ΔE 0.077
- Warm Purple #952E8F ΔE 0.078
- Blueberry #464196 ΔE 0.085
- Twilight #4E518B ΔE 0.089
Use #6F3380 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.