#3A1F47
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.077 313.7), rgb(58, 31, 71).
Aa
White text reads best on this color (14.31:1).
About this color
#3A1F47 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.077 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.051 away. White text reads best on it, at 14.31:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.46:1 |
| White text | 14.31:1 |
Values
| HEX | #3A1F47 |
| RGB | rgb(58, 31, 71) |
| HSL | hsl(281, 39%, 20%) |
| OKLCH | oklch(29.5% 0.077 313.7) |
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 #3A1F47 | 14.31:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #3A1F47 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #3A1F47 text on white | 14.31:1 | AAA | Lc 100.9 | Preferred for body text |
| #3A1F47 text on black | 1.46:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E5D0F1
oklch(88.5% 0.05 313.4)
-
Step 300
300
#D6AFEA
oklch(80.8% 0.091 314)
-
Step 400
400
#C183E0
oklch(70.7% 0.146 313.7)
-
Step 500
500
#B160D7
oklch(63.1% 0.186 313.7)
-
Step 600
600
#9C42C4
oklch(55.6% 0.202 313.6)
-
Step 700
700
#8532A9
oklch(49% 0.188 313.6)
-
Step 800
800
#6C2B89
oklch(42.6% 0.156 313.6)
-
Step 900
900
#58296E
oklch(37.8% 0.121 313.5)
-
Step 950
950 (this color)
#3A1F47
oklch(29.5% 0.077 313.7)
#3A1F47 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) | #162948 | 0.066 |
| Deuteranopia (no green cones) | #1E2B46 | 0.059 |
| Tritanopia (no blue cones) | #39252F | 0.052 |
| Achromatopsia (no color) | #2A2A2A | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A1F47
#3A1F47
oklch(29.5% 0.077 313.7)
- #1B3406
#1B3406
oklch(29.4% 0.076 134.1)
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 #3A1F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.051
- Eggplant Purple #430541 ΔE 0.052
- Deep Violet #490648 ΔE 0.053
- Aubergine #3D0734 ΔE 0.057
- Eggplant #380835 ΔE 0.058
- Dark Purple #35063E ΔE 0.058
- Plum Purple #4E0550 ΔE 0.062
- Deep Purple #36013F ΔE 0.065
Use #3A1F47 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.