#310B3F
Closest named color: Dark Purple (#35063E). oklch(24.5% 0.097 315.2), rgb(49, 11, 63).
Aa
White text reads best on this color (16.79:1).
About this color
#310B3F is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.097 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.012 away. White text reads best on it, at 16.79:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.25:1 |
| White text | 16.79:1 |
Values
| HEX | #310B3F |
| RGB | rgb(49, 11, 63) |
| HSL | hsl(284, 70%, 15%) |
| OKLCH | oklch(24.5% 0.097 315.2) |
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 #310B3F | 16.79:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #310B3F | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #310B3F text on white | 16.79:1 | AAA | Lc 103.2 | Preferred for body text |
| #310B3F text on black | 1.25:1 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F3E4FA
oklch(93.7% 0.033 315.2)
-
Step 200
200
#EACDF7
oklch(88.6% 0.065 315.4)
-
Step 300
300
#DDAAF4
oklch(81% 0.115 315.1)
-
Step 400
400
#CB78EE
oklch(70.8% 0.184 315.1)
-
Step 500
500
#BD4CE8
oklch(63.2% 0.235 315.2)
-
Step 600
600
#A91FD6
oklch(55.7% 0.256 315.3)
-
Step 700
700
#9007B9
oklch(49% 0.238 315.1)
-
Step 800
800
#751296
oklch(42.7% 0.197 315)
-
Step 900
900
#5F1B77
oklch(37.7% 0.153 315.5)
-
Step 950
950 (this color)
#310B3F
oklch(24.5% 0.097 315.2)
#310B3F 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) | #001B40 | 0.090 |
| Deuteranopia (no green cones) | #091E3E | 0.082 |
| Tritanopia (no blue cones) | #301624 | 0.063 |
| Achromatopsia (no color) | #1D1D1D | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310B3F
#310B3F
oklch(24.5% 0.097 315.2)
- #0F2700
#0F2700
oklch(24.3% 0.071 135.3)
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 #310B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.012
- Deep Purple #36013F ΔE 0.020
- Eggplant #380835 ΔE 0.026
- Very Dark Purple #2A0134 ΔE 0.035
- Midnight Purple #280137 ΔE 0.036
- Aubergine #3D0734 ΔE 0.037
- Eggplant Purple #430541 ΔE 0.042
- Dark Plum #3F012C ΔE 0.051
Use #310B3F 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.