#3D2474
Closest named color: Indigo (#4B0082). oklch(34.1% 0.13 292.5), rgb(61, 36, 116).
Aa
White text reads best on this color (12.33:1).
About this color
#3D2474 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.130 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.055 away. White text reads best on it, at 12.33:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.70:1 |
| White text | 12.33:1 |
Values
| HEX | #3D2474 |
| RGB | rgb(61, 36, 116) |
| HSL | hsl(259, 53%, 30%) |
| OKLCH | oklch(34.1% 0.13 292.5) |
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 #3D2474 | 12.33:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #3D2474 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #3D2474 text on white | 12.33:1 | AAA | Lc 97.6 | Preferred for body text |
| #3D2474 text on black | 1.70:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#D9D3FB
oklch(88.4% 0.055 292.1)
-
Step 300
300
#C2B5FB
oklch(80.9% 0.098 292.6)
-
Step 400
400
#A58CF8
oklch(70.8% 0.155 292.6)
-
Step 500
500
#906AF5
oklch(63.1% 0.199 292.3)
-
Step 600
600
#7C4CE4
oklch(55.5% 0.217 292.4)
-
Step 700
700
#693CC6
oklch(49.1% 0.201 292.3)
-
Step 800
800
#5633A0
oklch(42.8% 0.167 292.7)
-
Step 900
900 (this color)
#3D2474
oklch(34.1% 0.13 292.5)
-
Step 950
950
#291C4A
oklch(27% 0.082 293.1)
#3D2474 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) | #003676 | 0.077 |
| Deuteranopia (no green cones) | #003372 | 0.077 |
| Tritanopia (no blue cones) | #2D3748 | 0.103 |
| Achromatopsia (no color) | #353535 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D2474
#3D2474
oklch(34.1% 0.13 292.5)
- #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 #3D2474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.055
- Royal Purple #4B006E ΔE 0.058
- Midnight Blue #191970 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.074
- Marine Blue #01386A ΔE 0.084
- Marine #042E60 ΔE 0.085
- Prussian Blue #1D3557 ΔE 0.085
- Plum Purple #4E0550 ΔE 0.087
Use #3D2474 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.