#3A1C63
Closest named color: Royal Purple (#4B006E). oklch(31.1% 0.119 298.6), rgb(58, 28, 99).
Aa
White text reads best on this color (13.75:1).
About this color
#3A1C63 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.119 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.051 away. White text reads best on it, at 13.75:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.52:1 |
| White text | 13.75:1 |
Values
| HEX | #3A1C63 |
| RGB | rgb(58, 28, 99) |
| HSL | hsl(265, 56%, 25%) |
| OKLCH | oklch(31.1% 0.119 298.6) |
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 #3A1C63 | 13.75:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #3A1C63 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #3A1C63 text on white | 13.75:1 | AAA | Lc 99.9 | Preferred for body text |
| #3A1C63 text on black | 1.52:1 | 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
#ECE5FF
oklch(93.5% 0.036 298)
-
Step 200
200
#DED0FF
oklch(88.4% 0.066 298.7)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B083FF
oklch(70.6% 0.179 298.5)
-
Step 500
500
#9F5BFF
oklch(63% 0.232 298.5)
-
Step 600
600
#9019FF
oklch(55.6% 0.287 298.6)
-
Step 700
700
#7B00DD
oklch(49.1% 0.264 298.7)
-
Step 800
800
#6500B7
oklch(42.7% 0.229 298.8)
-
Step 900
900
#521194
oklch(37.6% 0.187 298.5)
-
Step 950
950 (this color)
#3A1C63
oklch(31.1% 0.119 298.6)
#3A1C63 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) | #002D65 | 0.082 |
| Deuteranopia (no green cones) | #002C62 | 0.082 |
| Tritanopia (no blue cones) | #302D3D | 0.090 |
| Achromatopsia (no color) | #2D2D2D | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A1C63
#3A1C63
oklch(31.1% 0.119 298.6)
- #2D3500
#2D3500
oklch(31% 0.073 118.6)
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 #3A1C63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.051
- Plum Purple #4E0550 ΔE 0.064
- Indigo #4B0082 ΔE 0.067
- Deep Violet #490648 ΔE 0.067
- Midnight Blue #191970 ΔE 0.067
- Eggplant Purple #430541 ΔE 0.074
- Dark Indigo #1F0954 ΔE 0.077
- Dark Purple #35063E ΔE 0.080
Use #3A1C63 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.