#381F51
Closest named color: Deep Violet (#490648). oklch(29.9% 0.09 304.6), rgb(56, 31, 81).
Aa
White text reads best on this color (14.16:1).
About this color
#381F51 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.090 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.057 away. White text reads best on it, at 14.16:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.48:1 |
| White text | 14.16:1 |
Values
| HEX | #381F51 |
| RGB | rgb(56, 31, 81) |
| HSL | hsl(270, 45%, 22%) |
| OKLCH | oklch(29.9% 0.09 304.6) |
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 #381F51 | 14.16:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #381F51 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #381F51 text on white | 14.16:1 | AAA | Lc 100.6 | Preferred for body text |
| #381F51 text on black | 1.48:1 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FB
oklch(93.5% 0.031 304.3)
-
Step 200
200
#E2D0F9
oklch(88.5% 0.059 305.1)
-
Step 300
300
#D0AFF8
oklch(80.8% 0.107 304.8)
-
Step 400
400
#B982F5
oklch(70.8% 0.17 304.5)
-
Step 500
500
#A85CF0
oklch(63.1% 0.216 304.6)
-
Step 600
600
#9439DF
oklch(55.6% 0.236 304.6)
-
Step 700
700
#7E29C1
oklch(49% 0.219 304.6)
-
Step 800
800
#67259C
oklch(42.7% 0.181 305)
-
Step 900
900
#53257C
oklch(37.6% 0.142 304.7)
-
Step 950
950 (this color)
#381F51
oklch(29.9% 0.09 304.6)
#381F51 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) | #0C2A53 | 0.070 |
| Deuteranopia (no green cones) | #152B50 | 0.064 |
| Tritanopia (no blue cones) | #342934 | 0.067 |
| Achromatopsia (no color) | #2B2B2B | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #381F51
#381F51
oklch(29.9% 0.09 304.6)
- #253300
#253300
oklch(29.7% 0.074 124.6)
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 #381F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.058
- Plum Purple #4E0550 ΔE 0.061
- Dark Purple #35063E ΔE 0.062
- Eggplant #380835 ΔE 0.068
- Deep Purple #36013F ΔE 0.068
- Aubergine #3D0734 ΔE 0.069
Use #381F51 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.