#331C3F
Closest named color: Eggplant (#380835). oklch(27.4% 0.068 313), rgb(51, 28, 63).
Aa
White text reads best on this color (15.23:1).
About this color
#331C3F is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.068 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.046 away. White text reads best on it, at 15.23:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.37:1 |
| White text | 15.23:1 |
Values
| HEX | #331C3F |
| RGB | rgb(51, 28, 63) |
| HSL | hsl(279, 38%, 18%) |
| OKLCH | oklch(27.4% 0.068 313) |
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 #331C3F | 15.23:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #331C3F | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #331C3F text on white | 15.23:1 | AAA | Lc 102.0 | Preferred for body text |
| #331C3F text on black | 1.37:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E4D1EF
oklch(88.5% 0.045 313.3)
-
Step 300
300
#D3B2E6
oklch(80.9% 0.08 313)
-
Step 400
400
#BD87DA
oklch(70.7% 0.131 313.2)
-
Step 500
500
#AC67D0
oklch(63.2% 0.166 312.9)
-
Step 600
600
#974BBC
oklch(55.6% 0.179 313.1)
-
Step 700
700
#813BA2
oklch(49.1% 0.167 313.3)
-
Step 800
800
#693284
oklch(42.8% 0.139 313)
-
Step 900
900
#552D6A
oklch(37.7% 0.108 312.6)
-
Step 950
950 (this color)
#331C3F
oklch(27.4% 0.068 313)
#331C3F 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) | #142440 | 0.057 |
| Deuteranopia (no green cones) | #1B263E | 0.051 |
| Tritanopia (no blue cones) | #32212A | 0.046 |
| Achromatopsia (no color) | #252525 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331C3F
#331C3F
oklch(27.4% 0.068 313)
- #192E06
#192E06
oklch(27.3% 0.068 133.2)
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 #331C3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.046
- Dark Purple #35063E ΔE 0.048
- Aubergine #3D0734 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.053
- Eggplant Purple #430541 ΔE 0.054
- Deep Purple #36013F ΔE 0.057
- Dark #1B2431 ΔE 0.060
Use #331C3F 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.