#3B2370
Closest named color: Royal Purple (#4B006E). oklch(33.4% 0.126 292.6), rgb(59, 35, 112).
Aa
White text reads best on this color (12.64:1).
About this color
#3B2370 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.126 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.057 away. White text reads best on it, at 12.64:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.66:1 |
| White text | 12.64:1 |
Values
| HEX | #3B2370 |
| RGB | rgb(59, 35, 112) |
| HSL | hsl(259, 52%, 29%) |
| OKLCH | oklch(33.4% 0.126 292.6) |
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 #3B2370 | 12.64:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #3B2370 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #3B2370 text on white | 12.64:1 | AAA | Lc 98.2 | Preferred for body text |
| #3B2370 text on black | 1.66:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D3FA
oklch(88.4% 0.054 292.3)
-
Step 300
300
#C2B6F9
oklch(81% 0.094 292.4)
-
Step 400
400
#A48CF6
oklch(70.6% 0.152 292.5)
-
Step 500
500
#906CF2
oklch(63.2% 0.193 292.4)
-
Step 600
600
#7C4EE0
oklch(55.5% 0.21 292.7)
-
Step 700
700
#693EC3
oklch(49.1% 0.195 292.6)
-
Step 800
800
#55349E
oklch(42.7% 0.163 292.4)
-
Step 900
900 (this color)
#3B2370
oklch(33.4% 0.126 292.6)
-
Step 950
950
#291D49
oklch(27.1% 0.079 293)
#3B2370 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) | #003472 | 0.075 |
| Deuteranopia (no green cones) | #00316E | 0.075 |
| Tritanopia (no blue cones) | #2B3546 | 0.099 |
| Achromatopsia (no color) | #333333 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B2370
#3B2370
oklch(33.4% 0.126 292.6)
- #373A00
#373A00
oklch(33.4% 0.075 113)
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 #3B2370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.057
- Indigo #4B0082 ΔE 0.059
- Midnight Blue #191970 ΔE 0.068
- Marine #042E60 ΔE 0.080
- Prussian Blue #1D3557 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.081
- Marine Blue #01386A ΔE 0.082
- Plum Purple #4E0550 ΔE 0.083
Use #3B2370 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.