#331728
Closest named color: Eggplant (#380835). oklch(25.2% 0.052 344.2), rgb(51, 23, 40).
Aa
White text reads best on this color (16.22:1).
About this color
#331728 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.052 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.047 away. White text reads best on it, at 16.22:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Eggplant (#380835) |
| Black text | 1.29:1 |
| White text | 16.22:1 |
Values
| HEX | #331728 |
| RGB | rgb(51, 23, 40) |
| HSL | hsl(324, 38%, 15%) |
| OKLCH | oklch(25.2% 0.052 344.2) |
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 #331728 | 16.22:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #331728 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #331728 text on white | 16.22:1 | AAA | Lc 103.0 | Preferred for body text |
| #331728 text on black | 1.29:1 | 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
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F3E5ED
oklch(93.5% 0.018 342)
-
Step 200
200
#EBD1DF
oklch(88.6% 0.034 344.1)
-
Step 300
300
#DEB1CA
oklch(80.8% 0.061 344.1)
-
Step 400
400
#CC88AF
oklch(70.7% 0.097 344.5)
-
Step 500
500
#BE689C
oklch(63.1% 0.127 344.2)
-
Step 600
600
#A94E86
oklch(55.6% 0.137 344.6)
-
Step 700
700
#903F72
oklch(49.1% 0.126 344.1)
-
Step 800
800
#75345D
oklch(42.6% 0.105 343.8)
-
Step 900
900
#5F2E4C
oklch(37.7% 0.082 344.2)
-
Step 950
950 (this color)
#331728
oklch(25.2% 0.052 344.2)
#331728 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) | #191E29 | 0.055 |
| Deuteranopia (no green cones) | #202227 | 0.050 |
| Tritanopia (no blue cones) | #36171D | 0.022 |
| Achromatopsia (no color) | #202020 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331728
#331728
oklch(25.2% 0.052 344.2)
- #022A1B
#022A1B
oklch(25.3% 0.052 163.2)
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 #331728, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.047
- Aubergine #3D0734 ΔE 0.048
- Dark Plum #3F012C ΔE 0.051
- Jet #212529 ΔE 0.055
- Dark #1B2431 ΔE 0.058
- Dark Purple #35063E ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.064
Use #331728 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.