#310D29
Closest named color: Eggplant (#380835). oklch(23.2% 0.071 337.3), rgb(49, 13, 41).
Aa
White text reads best on this color (17.21:1).
About this color
#310D29 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.071 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.030 away. White text reads best on it, at 17.21:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Eggplant (#380835) |
| Black text | 1.22:1 |
| White text | 17.21:1 |
Values
| HEX | #310D29 |
| RGB | rgb(49, 13, 41) |
| HSL | hsl(313, 58%, 12%) |
| OKLCH | oklch(23.2% 0.071 337.3) |
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 #310D29 | 17.21:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #310D29 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #310D29 text on white | 17.21:1 | AAA | Lc 103.8 | Preferred for body text |
| #310D29 text on black | 1.22:1 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F5E4F0
oklch(93.6% 0.024 336.1)
-
Step 200
200
#EECEE4
oklch(88.5% 0.046 337.4)
-
Step 300
300
#E5ACD4
oklch(80.9% 0.084 337.6)
-
Step 400
400
#D57EBE
oklch(70.7% 0.134 337.5)
-
Step 500
500
#C85AAE
oklch(63.2% 0.171 337.4)
-
Step 600
600
#B33B9A
oklch(55.6% 0.187 337.2)
-
Step 700
700
#9A2C83
oklch(49.2% 0.174 337.5)
-
Step 800
800
#7D266A
oklch(42.7% 0.144 337.7)
-
Step 900
900
#652556
oklch(37.7% 0.112 337.8)
-
Step 950
950 (this color)
#310D29
oklch(23.2% 0.071 337.3)
#310D29 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) | #0E182A | 0.075 |
| Deuteranopia (no green cones) | #191D28 | 0.066 |
| Tritanopia (no blue cones) | #340F19 | 0.034 |
| Achromatopsia (no color) | #1B1B1B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310D29
#310D29
oklch(23.2% 0.071 337.3)
- #002513
#002513
oklch(23.3% 0.055 157.6)
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 #310D29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.030
- Aubergine #3D0734 ΔE 0.036
- Dark Plum #3F012C ΔE 0.037
- Very Dark Purple #2A0134 ΔE 0.044
- Dark Purple #35063E ΔE 0.044
- Midnight Purple #280137 ΔE 0.050
- Deep Purple #36013F ΔE 0.050
- Eggplant Purple #430541 ΔE 0.061
Use #310D29 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.