#330B40
Closest named color: Dark Purple (#35063E). oklch(24.9% 0.099 316.4), rgb(51, 11, 64).
Aa
White text reads best on this color (16.63:1).
About this color
#330B40 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.099 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.010 away. White text reads best on it, at 16.63:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.26:1 |
| White text | 16.63:1 |
Values
| HEX | #330B40 |
| RGB | rgb(51, 11, 64) |
| HSL | hsl(285, 71%, 15%) |
| OKLCH | oklch(24.9% 0.099 316.4) |
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 #330B40 | 16.63:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #330B40 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #330B40 text on white | 16.63:1 | AAA | Lc 103.0 | Preferred for body text |
| #330B40 text on black | 1.26:1 | 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F3E3FA
oklch(93.5% 0.035 315.7)
-
Step 200
200
#EBCCF7
oklch(88.5% 0.067 316.5)
-
Step 300
300
#DFA9F4
oklch(81% 0.118 316.3)
-
Step 400
400
#CE76EE
oklch(70.8% 0.188 316.4)
-
Step 500
500
#C048E7
oklch(63.1% 0.24 316.6)
-
Step 600
600
#AB16D5
oklch(55.5% 0.261 316.4)
-
Step 700
700
#9300B8
oklch(49.2% 0.24 316.6)
-
Step 800
800
#770B96
oklch(42.6% 0.201 316.1)
-
Step 900
900
#601977
oklch(37.6% 0.156 316.2)
-
Step 950
950 (this color)
#330B40
oklch(24.9% 0.099 316.4)
#330B40 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) | #001C41 | 0.093 |
| Deuteranopia (no green cones) | #0B1F3F | 0.084 |
| Tritanopia (no blue cones) | #321624 | 0.064 |
| Achromatopsia (no color) | #1E1E1E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #330B40
#330B40
oklch(24.9% 0.099 316.4)
- #0E2900
#0E2900
oklch(25% 0.075 136.5)
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 #330B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.010
- Deep Purple #36013F ΔE 0.018
- Eggplant #380835 ΔE 0.025
- Aubergine #3D0734 ΔE 0.034
- Eggplant Purple #430541 ΔE 0.038
- Very Dark Purple #2A0134 ΔE 0.039
- Midnight Purple #280137 ΔE 0.040
- Dark Plum #3F012C ΔE 0.049
Use #330B40 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.