#310C39
Closest named color: Dark Purple (#35063E). oklch(24.1% 0.089 320), rgb(49, 12, 57).
Aa
White text reads best on this color (16.90:1).
About this color
#310C39 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.089 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.016 away. White text reads best on it, at 16.90:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.24:1 |
| White text | 16.90:1 |
Values
| HEX | #310C39 |
| RGB | rgb(49, 12, 57) |
| HSL | hsl(289, 65%, 14%) |
| OKLCH | oklch(24.1% 0.089 320) |
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 #310C39 | 16.90:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #310C39 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #310C39 text on white | 16.90:1 | AAA | Lc 103.4 | Preferred for body text |
| #310C39 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
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EBCDF2
oklch(88.5% 0.059 319.8)
-
Step 300
300
#DFAAEB
oklch(80.8% 0.106 320)
-
Step 400
400
#CE7AE1
oklch(70.7% 0.168 320)
-
Step 500
500
#C051D8
oklch(63.1% 0.215 320.1)
-
Step 600
600
#AB2BC6
oklch(55.6% 0.235 319.8)
-
Step 700
700
#931AAB
oklch(49.2% 0.219 319.9)
-
Step 800
800
#771B8A
oklch(42.7% 0.18 319.9)
-
Step 900
900
#601F6F
oklch(37.7% 0.141 319.5)
-
Step 950
950 (this color)
#310C39
oklch(24.1% 0.089 320)
#310C39 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) | #011A3A | 0.089 |
| Deuteranopia (no green cones) | #101E38 | 0.076 |
| Tritanopia (no blue cones) | #311421 | 0.055 |
| Achromatopsia (no color) | #1D1D1D | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310C39
#310C39
oklch(24.1% 0.089 320)
- #062800
#062800
oklch(24.3% 0.078 139.9)
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 #310C39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.016
- Eggplant #380835 ΔE 0.019
- Deep Purple #36013F ΔE 0.024
- Aubergine #3D0734 ΔE 0.031
- Very Dark Purple #2A0134 ΔE 0.032
- Midnight Purple #280137 ΔE 0.035
- Dark Plum #3F012C ΔE 0.043
- Eggplant Purple #430541 ΔE 0.044
Use #310C39 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.