#330E56
Closest named color: Dark Indigo (#1F0954). oklch(27.2% 0.12 302.1), rgb(51, 14, 86).
Aa
White text reads best on this color (15.69:1).
About this color
#330E56 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.120 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.047 away. White text reads best on it, at 15.69:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.33:1 |
| White text | 15.69:1 |
Values
| HEX | #330E56 |
| RGB | rgb(51, 14, 86) |
| HSL | hsl(271, 72%, 20%) |
| OKLCH | oklch(27.2% 0.12 302.1) |
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 #330E56 | 15.69:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #330E56 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #330E56 text on white | 15.69:1 | AAA | Lc 102.0 | Preferred for body text |
| #330E56 text on black | 1.33:1 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EEE5FF
oklch(93.7% 0.036 301.4)
-
Step 200
200
#E1CFFF
oklch(88.5% 0.068 302.1)
-
Step 300
300
#CEAFFF
oklch(80.9% 0.115 301.7)
-
Step 400
400
#B77FFF
oklch(70.7% 0.186 302.1)
-
Step 500
500
#A755FF
oklch(63.1% 0.241 302)
-
Step 600
600
#9800FC
oklch(55.6% 0.293 302.2)
-
Step 700
700
#8000D6
oklch(49.1% 0.259 302.1)
-
Step 800
800
#6900B2
oklch(42.7% 0.226 301.8)
-
Step 900
900
#570C92
oklch(37.7% 0.189 302.1)
-
Step 950
950 (this color)
#330E56
oklch(27.2% 0.12 302.1)
#330E56 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) | #002358 | 0.084 |
| Deuteranopia (no green cones) | #002355 | 0.085 |
| Tritanopia (no blue cones) | #2B2132 | 0.087 |
| Achromatopsia (no color) | #232323 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #330E56
#330E56
oklch(27.2% 0.12 302.1)
- #222B00
#222B00
oklch(27.1% 0.065 121.1)
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 #330E56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.047
- Dark Purple #35063E ΔE 0.047
- Deep Purple #36013F ΔE 0.049
- Eggplant Purple #430541 ΔE 0.057
- Deep Violet #490648 ΔE 0.059
- Eggplant #380835 ΔE 0.064
- Plum Purple #4E0550 ΔE 0.064
- Royal Purple #4B006E ΔE 0.066
Use #330E56 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.