#311730
Closest named color: Eggplant (#380835). oklch(25.3% 0.058 328.5), rgb(49, 23, 48).
Aa
White text reads best on this color (16.20:1).
About this color
#311730 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.058 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.038 away. White text reads best on it, at 16.20:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.29:1 |
| White text | 16.20:1 |
Values
| HEX | #311730 |
| RGB | rgb(49, 23, 48) |
| HSL | hsl(302, 36%, 14%) |
| OKLCH | oklch(25.3% 0.058 328.5) |
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 #311730 | 16.20:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #311730 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #311730 text on white | 16.20:1 | AAA | Lc 103.0 | Preferred for body text |
| #311730 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F1
oklch(93.6% 0.021 328.1)
-
Step 200
200
#E8D1E6
oklch(88.6% 0.038 328.6)
-
Step 300
300
#DAB1D7
oklch(80.9% 0.069 328.6)
-
Step 400
400
#C687C3
oklch(70.6% 0.111 328.3)
-
Step 500
500
#B768B3
oklch(63.2% 0.14 328.9)
-
Step 600
600
#A24D9F
oklch(55.6% 0.153 328.7)
-
Step 700
700
#8A3D88
oklch(49% 0.143 328.5)
-
Step 800
800
#70336F
oklch(42.6% 0.118 328)
-
Step 900
900
#5B2E5A
oklch(37.8% 0.091 328)
-
Step 950
950 (this color)
#311730
oklch(25.3% 0.058 328.5)
#311730 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) | #151E31 | 0.056 |
| Deuteranopia (no green cones) | #1C222F | 0.052 |
| Tritanopia (no blue cones) | #331921 | 0.032 |
| Achromatopsia (no color) | #202020 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311730
#311730
oklch(25.3% 0.058 328.5)
- #0A2A12
#0A2A12
oklch(25.4% 0.058 148.8)
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 #311730, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.038
- Aubergine #3D0734 ΔE 0.042
- Dark Purple #35063E ΔE 0.049
- Dark Plum #3F012C ΔE 0.050
- Dark #1B2431 ΔE 0.056
- Deep Purple #36013F ΔE 0.057
- Jet #212529 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.059
Use #311730 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.