#310D38
Closest named color: Eggplant (#380835). oklch(24.2% 0.087 320.7), rgb(49, 13, 56).
Aa
White text reads best on this color (16.86:1).
About this color
#310D38 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.087 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.019 away. White text reads best on it, at 16.86:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.24:1 |
| White text | 16.86:1 |
Values
| HEX | #310D38 |
| RGB | rgb(49, 13, 56) |
| HSL | hsl(290, 62%, 14%) |
| OKLCH | oklch(24.2% 0.087 320.7) |
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 #310D38 | 16.86:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #310D38 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #310D38 text on white | 16.86:1 | AAA | Lc 103.4 | Preferred for body text |
| #310D38 text on black | 1.24:1 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EBCDF1
oklch(88.4% 0.058 320.6)
-
Step 300
300
#DFABE9
oklch(80.9% 0.102 320.9)
-
Step 400
400
#CE7BDE
oklch(70.8% 0.164 321)
-
Step 500
500
#BF53D5
oklch(63.1% 0.209 320.5)
-
Step 600
600
#AB2FC2
oklch(55.6% 0.228 320.8)
-
Step 700
700
#921FA7
oklch(49% 0.211 320.7)
-
Step 800
800
#771E88
oklch(42.8% 0.175 320.6)
-
Step 900
900
#60206D
oklch(37.7% 0.138 320.4)
-
Step 950
950 (this color)
#310D38
oklch(24.2% 0.087 320.7)
#310D38 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) | #031A39 | 0.086 |
| Deuteranopia (no green cones) | #111E37 | 0.074 |
| Tritanopia (no blue cones) | #311421 | 0.052 |
| Achromatopsia (no color) | #1D1D1D | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310D38
#310D38
oklch(24.2% 0.087 320.7)
- #042800
#042800
oklch(24.2% 0.079 140.8)
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 #310D38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.019
- Dark Purple #35063E ΔE 0.019
- Deep Purple #36013F ΔE 0.027
- Aubergine #3D0734 ΔE 0.030
- Very Dark Purple #2A0134 ΔE 0.034
- Midnight Purple #280137 ΔE 0.037
- Dark Plum #3F012C ΔE 0.043
- Eggplant Purple #430541 ΔE 0.045
Use #310D38 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.