#6F3979
Closest named color: Rebecca Purple (#663399). oklch(44% 0.118 321.2), rgb(111, 57, 121).
Aa
White text reads best on this color (8.27:1).
About this color
#6F3979 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.118 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.060 away. White text reads best on it, at 8.27:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #6F3979 |
| RGB | rgb(111, 57, 121) |
| HSL | hsl(291, 36%, 35%) |
| OKLCH | oklch(44% 0.118 321.2) |
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 #6F3979 | 8.27:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #6F3979 | 2.53:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #6F3979 text on white | 8.27:1 | AAA | Lc 88.2 | Fine for body text |
| #6F3979 text on black | 2.53:1 | Fails | Lc -13.9 | 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
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D1E9
oklch(88.4% 0.039 320.6)
-
Step 300
300
#D6B3DC
oklch(81% 0.068 321.4)
-
Step 400
400
#C089CA
oklch(70.6% 0.11 321.2)
-
Step 500
500
#B06ABC
oklch(63.1% 0.141 321.6)
-
Step 600
600
#9B50A8
oklch(55.6% 0.153 321.5)
-
Step 700
700
#844090
oklch(49.1% 0.142 321.4)
-
Step 800
800 (this color)
#6F3979
oklch(44% 0.118 321.2)
-
Step 900
900
#572F5F
oklch(37.7% 0.092 320.8)
-
Step 950
950
#331C37
oklch(26.9% 0.058 321.5)
#6F3979 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) | #2F4A7B | 0.109 |
| Deuteranopia (no green cones) | #3F5077 | 0.097 |
| Tritanopia (no blue cones) | #704253 | 0.074 |
| Achromatopsia (no color) | #4E4E4E | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F3979
#6F3979
oklch(44% 0.118 321.2)
- #26621E
#26621E
oklch(44.1% 0.118 141.4)
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 #6F3979, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.060
- Light Eggplant #894585 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.078
- Purple #800080 ΔE 0.080
- Twilight #4E518B ΔE 0.081
- Warm Purple #952E8F ΔE 0.083
- Brownish Purple #76424E ΔE 0.083
- Dusk #4E5481 ΔE 0.085
Use #6F3979 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.