#391B3F
Closest named color: Aubergine (#3D0734). oklch(28.1% 0.074 320.7), rgb(57, 27, 63).
Aa
White text reads best on this color (14.97:1).
About this color
#391B3F is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.074 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.043 away. White text reads best on it, at 14.97:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.40:1 |
| White text | 14.97:1 |
Values
| HEX | #391B3F |
| RGB | rgb(57, 27, 63) |
| HSL | hsl(290, 40%, 18%) |
| OKLCH | oklch(28.1% 0.074 320.7) |
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 #391B3F | 14.97:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #391B3F | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #391B3F text on white | 14.97:1 | AAA | Lc 101.6 | Preferred for body text |
| #391B3F text on black | 1.40:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F4
oklch(93.7% 0.024 321.7)
-
Step 200
200
#E8CFED
oklch(88.4% 0.049 320.6)
-
Step 300
300
#DBAEE3
oklch(80.8% 0.088 321.3)
-
Step 400
400
#C882D6
oklch(70.8% 0.14 320.8)
-
Step 500
500
#B85ECA
oklch(63% 0.179 320.7)
-
Step 600
600
#A441B7
oklch(55.7% 0.194 320.8)
-
Step 700
700
#8C319D
oklch(49.1% 0.181 320.9)
-
Step 800
800
#722A80
oklch(42.7% 0.151 320.8)
-
Step 900
900
#5C2867
oklch(37.7% 0.117 320.3)
-
Step 950
950 (this color)
#391B3F
oklch(28.1% 0.074 320.7)
#391B3F 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) | #152540 | 0.069 |
| Deuteranopia (no green cones) | #1E283E | 0.061 |
| Tritanopia (no blue cones) | #3A202A | 0.046 |
| Achromatopsia (no color) | #272727 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #391B3F
#391B3F
oklch(28.1% 0.074 320.7)
- #11320B
#11320B
oklch(28.2% 0.075 140.8)
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 #391B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.043
- Eggplant #380835 ΔE 0.043
- Eggplant Purple #430541 ΔE 0.045
- Dark Purple #35063E ΔE 0.047
- Deep Violet #490648 ΔE 0.052
- Deep Purple #36013F ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.057
- Dark Plum #3F012C ΔE 0.058
Use #391B3F 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.