#3B2475
Closest named color: Indigo (#4B0082). oklch(34% 0.131 290.8), rgb(59, 36, 117).
Aa
White text reads best on this color (12.38:1).
About this color
#3B2475 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.131 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.056 away. White text reads best on it, at 12.38:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.69:1 |
| White text | 12.38:1 |
Values
| HEX | #3B2475 |
| RGB | rgb(59, 36, 117) |
| HSL | hsl(257, 53%, 30%) |
| OKLCH | oklch(34% 0.131 290.8) |
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 #3B2475 | 12.38:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #3B2475 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #3B2475 text on white | 12.38:1 | AAA | Lc 97.7 | Preferred for body text |
| #3B2475 text on black | 1.69:1 | 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
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300
#C0B6FC
oklch(80.9% 0.098 290.6)
-
Step 400
400
#A28CFA
oklch(70.6% 0.157 291)
-
Step 500
500
#8D6BF7
oklch(63.1% 0.2 290.7)
-
Step 600
600
#794DE6
oklch(55.6% 0.218 290.7)
-
Step 700
700
#673CC8
oklch(49.1% 0.204 291.1)
-
Step 800
800
#5333A2
oklch(42.6% 0.169 290.7)
-
Step 900
900 (this color)
#3B2475
oklch(34% 0.131 290.8)
-
Step 950
950
#281C4B
oklch(27% 0.084 291.6)
#3B2475 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) | #003677 | 0.074 |
| Deuteranopia (no green cones) | #003373 | 0.073 |
| Tritanopia (no blue cones) | #293849 | 0.106 |
| Achromatopsia (no color) | #343434 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B2475
#3B2475
oklch(34% 0.131 290.8)
- #3A3B00
#3A3B00
oklch(34% 0.075 110.8)
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 #3B2475, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.056
- Royal Purple #4B006E ΔE 0.060
- Midnight Blue #191970 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.075
- Marine Blue #01386A ΔE 0.082
- Marine #042E60 ΔE 0.082
- Prussian Blue #1D3557 ΔE 0.085
- Imperial Purple #480CA8 ΔE 0.089
Use #3B2475 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.