#310831
Closest named color: Eggplant (#380835). oklch(23% 0.087 328), rgb(49, 8, 49).
Aa
White text reads best on this color (17.36:1).
About this color
#310831 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.087 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.018 away. White text reads best on it, at 17.36:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.20:1 |
| White text | 17.36:1 |
Values
| HEX | #310831 |
| RGB | rgb(49, 8, 49) |
| HSL | hsl(300, 72%, 11%) |
| OKLCH | oklch(23% 0.087 328) |
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 #310831 | 17.36:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #310831 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #310831 text on white | 17.36:1 | AAA | Lc 103.7 | Preferred for body text |
| #310831 text on black | 1.20:1 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F5E3F4
oklch(93.5% 0.03 327.5)
-
Step 200
200
#EFCCED
oklch(88.5% 0.058 327.9)
-
Step 300
300
#E5A9E3
oklch(80.9% 0.103 327.6)
-
Step 400
400
#D677D4
oklch(70.6% 0.165 327.9)
-
Step 500
500
#C94EC8
oklch(63.1% 0.21 328)
-
Step 600
600
#B427B5
oklch(55.6% 0.229 327.8)
-
Step 700
700
#9B159C
oklch(49.1% 0.214 327.9)
-
Step 800
800
#7E187E
oklch(42.7% 0.176 328.1)
-
Step 900
900
#661D65
oklch(37.7% 0.137 328.5)
-
Step 950
950 (this color)
#310831
oklch(23% 0.087 328)
#310831 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) | #031732 | 0.093 |
| Deuteranopia (no green cones) | #131C30 | 0.078 |
| Tritanopia (no blue cones) | #330E1B | 0.049 |
| Achromatopsia (no color) | #1A1A1A | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310831
#310831
oklch(23% 0.087 328)
- #002509
#002509
oklch(23.1% 0.066 148.3)
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 #310831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.018
- Dark Purple #35063E ΔE 0.026
- Very Dark Purple #2A0134 ΔE 0.028
- Aubergine #3D0734 ΔE 0.029
- Deep Purple #36013F ΔE 0.031
- Midnight Purple #280137 ΔE 0.034
- Dark Plum #3F012C ΔE 0.036
- Eggplant Purple #430541 ΔE 0.051
Use #310831 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.