#310C27
Closest named color: Eggplant (#380835). oklch(22.9% 0.071 339.9), rgb(49, 12, 39).
Aa
White text reads best on this color (17.31:1).
About this color
#310C27 is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.071 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.032 away. White text reads best on it, at 17.31:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Eggplant (#380835) |
| Black text | 1.21:1 |
| White text | 17.31:1 |
Values
| HEX | #310C27 |
| RGB | rgb(49, 12, 39) |
| HSL | hsl(316, 61%, 12%) |
| OKLCH | oklch(22.9% 0.071 339.9) |
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 #310C27 | 17.31:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #310C27 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #310C27 text on white | 17.31:1 | AAA | Lc 103.8 | Preferred for body text |
| #310C27 text on black | 1.21:1 | 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
#F6E4EF
oklch(93.6% 0.024 340.3)
-
Step 200
200
#EFCEE3
oklch(88.5% 0.046 339.7)
-
Step 300
300
#E6ACD2
oklch(80.9% 0.084 339.8)
-
Step 400
400
#D77DBB
oklch(70.6% 0.135 339.7)
-
Step 500
500
#CA59AA
oklch(63.1% 0.171 339.8)
-
Step 600
600
#B53A95
oklch(55.6% 0.186 339.9)
-
Step 700
700
#9C2A7F
oklch(49.1% 0.174 340)
-
Step 800
800
#7E2567
oklch(42.6% 0.144 339.8)
-
Step 900
900
#662454
oklch(37.6% 0.113 339.8)
-
Step 950
950 (this color)
#310C27
oklch(22.9% 0.071 339.9)
#310C27 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) | #0E1728 | 0.076 |
| Deuteranopia (no green cones) | #191D26 | 0.068 |
| Tritanopia (no blue cones) | #340D18 | 0.032 |
| Achromatopsia (no color) | #1A1A1A | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310C27
#310C27
oklch(22.9% 0.071 339.9)
- #002414
#002414
oklch(23% 0.052 159.9)
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 #310C27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.032
- Dark Plum #3F012C ΔE 0.037
- Aubergine #3D0734 ΔE 0.038
- Very Dark Purple #2A0134 ΔE 0.045
- Dark Purple #35063E ΔE 0.047
- Midnight Purple #280137 ΔE 0.052
- Deep Purple #36013F ΔE 0.053
- Dark Maroon #3C0008 ΔE 0.059
Use #310C27 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.