#3E2572
Closest named color: Indigo (#4B0082). oklch(34.2% 0.126 293.6), rgb(62, 37, 114).
Aa
White text reads best on this color (12.26:1).
About this color
#3E2572 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.126 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.058 away. White text reads best on it, at 12.26:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.71:1 |
| White text | 12.26:1 |
Values
| HEX | #3E2572 |
| RGB | rgb(62, 37, 114) |
| HSL | hsl(259, 51%, 30%) |
| OKLCH | oklch(34.2% 0.126 293.6) |
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 #3E2572 | 12.26:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #3E2572 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #3E2572 text on white | 12.26:1 | AAA | Lc 97.5 | Preferred for body text |
| #3E2572 text on black | 1.71:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3F9
oklch(88.4% 0.052 293.7)
-
Step 300
300
#C3B5F8
oklch(80.8% 0.094 293.8)
-
Step 400
400
#A68CF5
oklch(70.7% 0.151 293.6)
-
Step 500
500
#926BF1
oklch(63.1% 0.193 293.5)
-
Step 600
600
#7E4EDF
oklch(55.6% 0.209 293.7)
-
Step 700
700
#6B3DC2
oklch(49.1% 0.196 293.8)
-
Step 800
800
#57349D
oklch(42.8% 0.162 293.8)
-
Step 900
900 (this color)
#3E2572
oklch(34.2% 0.126 293.6)
-
Step 950
950
#291C49
oklch(26.9% 0.08 293.6)
#3E2572 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) | #003674 | 0.078 |
| Deuteranopia (no green cones) | #003470 | 0.078 |
| Tritanopia (no blue cones) | #2F3748 | 0.099 |
| Achromatopsia (no color) | #353535 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E2572
#3E2572
oklch(34.2% 0.126 293.6)
- #393C00
#393C00
oklch(34.2% 0.076 112.9)
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 #3E2572, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.058
- Royal Purple #4B006E ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.074
- Midnight Blue #191970 ΔE 0.075
- Prussian Blue #1D3557 ΔE 0.083
- Marine Blue #01386A ΔE 0.083
- Marine #042E60 ΔE 0.084
- Plum Purple #4E0550 ΔE 0.085
Use #3E2572 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.