#3F2075
Closest named color: Indigo (#4B0082). oklch(33.9% 0.137 294.7), rgb(63, 32, 117).
Aa
White text reads best on this color (12.53:1).
About this color
#3F2075 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.137 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.047 away. White text reads best on it, at 12.53:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.67:1 |
| White text | 12.53:1 |
Values
| HEX | #3F2075 |
| RGB | rgb(63, 32, 117) |
| HSL | hsl(262, 57%, 29%) |
| OKLCH | oklch(33.9% 0.137 294.7) |
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 #3F2075 | 12.53:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #3F2075 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #3F2075 text on white | 12.53:1 | AAA | Lc 97.9 | Preferred for body text |
| #3F2075 text on black | 1.67:1 | 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 900.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DBD2FC
oklch(88.4% 0.058 295)
-
Step 300
300
#C5B4FC
oklch(81% 0.102 294.9)
-
Step 400
400
#A989FB
oklch(70.8% 0.164 294.8)
-
Step 500
500
#9566F8
oklch(63.1% 0.209 294.5)
-
Step 600
600
#8146E7
oklch(55.5% 0.228 294.6)
-
Step 700
700
#6E36C9
oklch(49.1% 0.212 294.7)
-
Step 800
800
#592EA2
oklch(42.6% 0.175 294.8)
-
Step 900
900 (this color)
#3F2075
oklch(33.9% 0.137 294.7)
-
Step 950
950
#2A1B4B
oklch(27% 0.085 294.4)
#3F2075 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) | #003478 | 0.083 |
| Deuteranopia (no green cones) | #003273 | 0.083 |
| Tritanopia (no blue cones) | #303548 | 0.106 |
| Achromatopsia (no color) | #343434 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2075
#3F2075
oklch(33.9% 0.137 294.7)
- #373C00
#373C00
oklch(34% 0.077 114.9)
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 #3F2075, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.047
- Royal Purple #4B006E ΔE 0.050
- Midnight Blue #191970 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.079
- Plum Purple #4E0550 ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.087
- Marine #042E60 ΔE 0.091
- Marine Blue #01386A ΔE 0.092
Use #3F2075 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.