#311A3C
Closest named color: Eggplant (#380835). oklch(26.6% 0.067 313.9), rgb(49, 26, 60).
Aa
White text reads best on this color (15.62:1).
About this color
#311A3C is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.067 and its hue 314°. 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 15.62:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #311A3C |
| RGB | rgb(49, 26, 60) |
| HSL | hsl(281, 40%, 17%) |
| OKLCH | oklch(26.6% 0.067 313.9) |
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 #311A3C | 15.62:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #311A3C | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #311A3C text on white | 15.62:1 | AAA | Lc 102.4 | Preferred for body text |
| #311A3C 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
#F0E6F5
oklch(93.7% 0.023 314.7)
-
Step 200
200
#E4D1EE
oklch(88.5% 0.044 314.1)
-
Step 300
300
#D3B2E5
oklch(80.9% 0.079 313.6)
-
Step 400
400
#BD88D8
oklch(70.8% 0.126 313.7)
-
Step 500
500
#AC67CD
oklch(63% 0.162 313.8)
-
Step 600
600
#984BBA
oklch(55.6% 0.178 314.2)
-
Step 700
700
#813CA0
oklch(49.1% 0.164 313.8)
-
Step 800
800
#693282
oklch(42.7% 0.136 313.8)
-
Step 900
900
#552D68
oklch(37.6% 0.106 313.7)
-
Step 950
950 (this color)
#311A3C
oklch(26.6% 0.067 313.9)
#311A3C 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) | #13223D | 0.056 |
| Deuteranopia (no green cones) | #19243B | 0.052 |
| Tritanopia (no blue cones) | #301F28 | 0.045 |
| Achromatopsia (no color) | #232323 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311A3C
#311A3C
oklch(26.6% 0.067 313.9)
- #172C05
#172C05
oklch(26.6% 0.068 133.6)
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 #311A3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.041
- Dark Purple #35063E ΔE 0.044
- Aubergine #3D0734 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.053
- Deep Purple #36013F ΔE 0.053
- Eggplant Purple #430541 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.057
- Dark #1B2431 ΔE 0.057
Use #311A3C 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.