#311A39
Closest named color: Eggplant (#380835). oklch(26.4% 0.063 316.9), rgb(49, 26, 57).
Aa
White text reads best on this color (15.70:1).
About this color
#311A39 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.063 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.041 away. White text reads best on it, at 15.70:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.33:1 |
| White text | 15.70:1 |
Values
| HEX | #311A39 |
| RGB | rgb(49, 26, 57) |
| HSL | hsl(285, 37%, 16%) |
| OKLCH | oklch(26.4% 0.063 316.9) |
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 #311A39 | 15.70:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #311A39 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #311A39 text on white | 15.70:1 | AAA | Lc 102.5 | Preferred for body text |
| #311A39 text on black | 1.33:1 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D4B2E1
oklch(80.8% 0.075 316.6)
-
Step 400
400
#BF88D2
oklch(70.7% 0.121 317.2)
-
Step 500
500
#AE68C6
oklch(63.1% 0.154 317)
-
Step 600
600
#994EB2
oklch(55.6% 0.165 317)
-
Step 700
700
#833E99
oklch(49.2% 0.154 317.3)
-
Step 800
800
#6A347C
oklch(42.7% 0.127 317)
-
Step 900
900
#562E64
oklch(37.7% 0.1 316.7)
-
Step 950
950 (this color)
#311A39
oklch(26.4% 0.063 316.9)
#311A39 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) | #14223A | 0.056 |
| Deuteranopia (no green cones) | #1B2438 | 0.050 |
| Tritanopia (no blue cones) | #311E26 | 0.041 |
| Achromatopsia (no color) | #232323 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311A39
#311A39
oklch(26.4% 0.063 316.9)
- #152C0A
#152C0A
oklch(26.5% 0.064 137)
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 #311A39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.041
- Aubergine #3D0734 ΔE 0.045
- Dark Purple #35063E ΔE 0.046
- Oxford Blue #1B263B ΔE 0.052
- Dark #1B2431 ΔE 0.055
- Deep Purple #36013F ΔE 0.055
- Eggplant Purple #430541 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.057
Use #311A39 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.