#3D209E
Closest named color: Imperial Purple (#480CA8). oklch(37.7% 0.186 283.4), rgb(61, 32, 158).
Aa
White text reads best on this color (11.05:1).
About this color
#3D209E is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.186 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Imperial Purple (#480CA8), ΔE 0.030 away. White text reads best on it, at 11.05:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Imperial Purple (#480CA8) |
| Black text | 1.89:1 |
| White text | 11.05:1 |
Values
| HEX | #3D209E |
| RGB | rgb(61, 32, 158) |
| HSL | hsl(254, 66%, 37%) |
| OKLCH | oklch(37.7% 0.186 283.4) |
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 #3D209E | 11.05:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #3D209E | 1.89:1 | Fails | Lc 9.4 | Not readable |
| #3D209E text on white | 11.05:1 | AAA | Lc 94.5 | Preferred for body text |
| #3D209E text on black | 1.89:1 | Fails | Lc -8.1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300
#B8B9FF
oklch(81% 0.098 283.3)
-
Step 400
400
#9591FF
oklch(70.8% 0.158 283.2)
-
Step 500
500
#7E6FFF
oklch(63% 0.206 283.5)
-
Step 600
600
#6B47FF
oklch(55.7% 0.254 283.3)
-
Step 700
700
#5E02FA
oklch(49.1% 0.289 283.4)
-
Step 800
800
#4C14C9
oklch(42.7% 0.239 283.6)
-
Step 900
900 (this color)
#3D209E
oklch(37.7% 0.186 283.4)
-
Step 950
950
#23165C
oklch(26.9% 0.118 283.7)
#3D209E 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) | #0040A1 | 0.079 |
| Deuteranopia (no green cones) | #00389C | 0.070 |
| Tritanopia (no blue cones) | #00455F | 0.152 |
| Achromatopsia (no color) | #3C3C3C | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D209E
#3D209E
oklch(37.7% 0.186 283.4)
- #494300
#494300
oklch(37.7% 0.08 103.8)
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 #3D209E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Purple #480CA8 ΔE 0.030
- Indigo Blue #3A18B1 ΔE 0.033
- Chrysanthemum #560BAD ΔE 0.054
- Sapphire #2138AB ΔE 0.059
- Ultramarine #2000B1 ΔE 0.068
- Indigo #4B0082 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.073
- Blueberry #464196 ΔE 0.073
Use #3D209E 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.