#311733
Closest named color: Eggplant (#380835). oklch(25.4% 0.062 324.5), rgb(49, 23, 51).
Aa
White text reads best on this color (16.14:1).
About this color
#311733 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.062 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.035 away. White text reads best on it, at 16.14:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.30:1 |
| White text | 16.14:1 |
Values
| HEX | #311733 |
| RGB | rgb(49, 23, 51) |
| HSL | hsl(296, 38%, 15%) |
| OKLCH | oklch(25.4% 0.062 324.5) |
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 #311733 | 16.14:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #311733 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #311733 text on white | 16.14:1 | AAA | Lc 102.9 | Preferred for body text |
| #311733 text on black | 1.30:1 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E5F2
oklch(93.5% 0.022 323.4)
-
Step 200
200
#E7D1E8
oklch(88.6% 0.039 324.6)
-
Step 300
300
#D9B1DB
oklch(80.9% 0.073 324.7)
-
Step 400
400
#C587C9
oklch(70.8% 0.116 324.6)
-
Step 500
500
#B566BB
oklch(63% 0.15 324.6)
-
Step 600
600
#A04BA7
oklch(55.5% 0.162 324.5)
-
Step 700
700
#893C8F
oklch(49.1% 0.15 324.7)
-
Step 800
800
#6F3274
oklch(42.6% 0.125 324.5)
-
Step 900
900
#5A2D5E
oklch(37.7% 0.097 324.2)
-
Step 950
950 (this color)
#311733
oklch(25.4% 0.062 324.5)
#311733 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) | #141F34 | 0.058 |
| Deuteranopia (no green cones) | #1B2232 | 0.053 |
| Tritanopia (no blue cones) | #321A22 | 0.037 |
| Achromatopsia (no color) | #212121 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311733
#311733
oklch(25.4% 0.062 324.5)
- #0C2A0E
#0C2A0E
oklch(25.4% 0.062 144.7)
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 #311733, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.035
- Aubergine #3D0734 ΔE 0.040
- Dark Purple #35063E ΔE 0.045
- Dark Plum #3F012C ΔE 0.050
- Deep Purple #36013F ΔE 0.053
- Dark #1B2431 ΔE 0.057
- Eggplant Purple #430541 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.058
Use #311733 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.