#381A51
Closest named color: Deep Violet (#490648). oklch(29.1% 0.098 306.3), rgb(56, 26, 81).
Aa
White text reads best on this color (14.63:1).
About this color
#381A51 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.098 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.050 away. White text reads best on it, at 14.63:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.43:1 |
| White text | 14.63:1 |
Values
| HEX | #381A51 |
| RGB | rgb(56, 26, 81) |
| HSL | hsl(273, 51%, 21%) |
| OKLCH | oklch(29.1% 0.098 306.3) |
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 #381A51 | 14.63:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #381A51 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #381A51 text on white | 14.63:1 | AAA | Lc 101.1 | Preferred for body text |
| #381A51 text on black | 1.43:1 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FC
oklch(93.7% 0.032 305.3)
-
Step 200
200
#E4CFFC
oklch(88.6% 0.065 306.2)
-
Step 300
300
#D4ADFC
oklch(81% 0.116 306.6)
-
Step 400
400
#BE7CFA
oklch(70.6% 0.186 306.4)
-
Step 500
500
#AF52F7
oklch(63.1% 0.238 306.6)
-
Step 600
600
#9B29E6
oklch(55.6% 0.259 306.5)
-
Step 700
700
#8416C8
oklch(49.1% 0.24 306.3)
-
Step 800
800
#6B19A2
oklch(42.7% 0.2 306.1)
-
Step 900
900
#571F80
oklch(37.7% 0.155 306.6)
-
Step 950
950 (this color)
#381A51
oklch(29.1% 0.098 306.3)
#381A51 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) | #002853 | 0.084 |
| Deuteranopia (no green cones) | #0F2950 | 0.074 |
| Tritanopia (no blue cones) | #342532 | 0.071 |
| Achromatopsia (no color) | #292929 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #381A51
#381A51
oklch(29.1% 0.098 306.3)
- #223200
#223200
oklch(29.2% 0.075 126.5)
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 #381A51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.050
- Eggplant Purple #430541 ΔE 0.050
- Dark Purple #35063E ΔE 0.052
- Plum Purple #4E0550 ΔE 0.055
- Deep Purple #36013F ΔE 0.058
- Eggplant #380835 ΔE 0.061
- Aubergine #3D0734 ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.068
Use #381A51 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.