#311C3F
Closest named color: Eggplant (#380835). oklch(27.2% 0.067 310.3), rgb(49, 28, 63).
Aa
White text reads best on this color (15.34:1).
About this color
#311C3F is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.067 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.047 away. White text reads best on it, at 15.34:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.36:1 |
| White text | 15.34:1 |
Values
| HEX | #311C3F |
| RGB | rgb(49, 28, 63) |
| HSL | hsl(276, 38%, 18%) |
| OKLCH | oklch(27.2% 0.067 310.3) |
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 #311C3F | 15.34:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #311C3F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #311C3F text on white | 15.34:1 | AAA | Lc 102.1 | Preferred for body text |
| #311C3F text on black | 1.36:1 | 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
#F8F4FB
oklch(97.2% 0.01 311.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E2D2EF
oklch(88.6% 0.043 310.1)
-
Step 300
300
#D1B3E7
oklch(81% 0.079 310.7)
-
Step 400
400
#B989DC
oklch(70.7% 0.128 310)
-
Step 500
500
#A869D2
oklch(63.2% 0.163 310.2)
-
Step 600
600
#934DBF
oklch(55.6% 0.178 310.2)
-
Step 700
700
#7D3DA4
oklch(49% 0.165 310.3)
-
Step 800
800
#663485
oklch(42.8% 0.136 310.4)
-
Step 900
900
#532E6B
oklch(37.7% 0.107 310.3)
-
Step 950
950 (this color)
#311C3F
oklch(27.2% 0.067 310.3)
#311C3F 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) | #132440 | 0.055 |
| Deuteranopia (no green cones) | #19253E | 0.049 |
| Tritanopia (no blue cones) | #2F222A | 0.048 |
| Achromatopsia (no color) | #252525 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311C3F
#311C3F
oklch(27.2% 0.067 310.3)
- #1B2D04
#1B2D04
oklch(27.2% 0.068 130.5)
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 #311C3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.047
- Dark Purple #35063E ΔE 0.048
- Oxford Blue #1B263B ΔE 0.050
- Aubergine #3D0734 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.052
- Eggplant Purple #430541 ΔE 0.057
- Dark #1B2431 ΔE 0.057
- Deep Purple #36013F ΔE 0.057
Use #311C3F 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.