#311A3D
Closest named color: Eggplant (#380835). oklch(26.6% 0.069 312.9), rgb(49, 26, 61).
Aa
White text reads best on this color (15.60:1).
About this color
#311A3D is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.069 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.042 away. White text reads best on it, at 15.60:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #311A3D |
| RGB | rgb(49, 26, 61) |
| HSL | hsl(279, 40%, 17%) |
| OKLCH | oklch(26.6% 0.069 312.9) |
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 #311A3D | 15.60:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #311A3D | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #311A3D text on white | 15.60:1 | AAA | Lc 102.4 | Preferred for body text |
| #311A3D text on black | 1.34:1 | 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
#D3B2E7
oklch(81% 0.081 312.5)
-
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
#974BBD
oklch(55.6% 0.18 312.8)
-
Step 700
700
#813BA3
oklch(49.1% 0.168 312.9)
-
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)
#311A3D
oklch(26.6% 0.069 312.9)
#311A3D 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) | #12223E | 0.058 |
| Deuteranopia (no green cones) | #19243C | 0.051 |
| Tritanopia (no blue cones) | #302028 | 0.048 |
| Achromatopsia (no color) | #242424 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311A3D
#311A3D
oklch(26.6% 0.069 312.9)
- #182C04
#182C04
oklch(26.6% 0.068 132.4)
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 #311A3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.042
- Dark Purple #35063E ΔE 0.044
- Aubergine #3D0734 ΔE 0.046
- Deep Purple #36013F ΔE 0.052
- Oxford Blue #1B263B ΔE 0.053
- Eggplant Purple #430541 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.057
- Dark #1B2431 ΔE 0.058
Use #311A3D 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.