#3B175D
Closest named color: Royal Purple (#4B006E). oklch(30% 0.119 303.4), rgb(59, 23, 93).
Aa
White text reads best on this color (14.31:1).
About this color
#3B175D is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.119 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.049 away. White text reads best on it, at 14.31:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.46:1 |
| White text | 14.31:1 |
Values
| HEX | #3B175D |
| RGB | rgb(59, 23, 93) |
| HSL | hsl(271, 60%, 23%) |
| OKLCH | oklch(30% 0.119 303.4) |
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 #3B175D | 14.31:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #3B175D | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #3B175D text on white | 14.31:1 | AAA | Lc 100.6 | Preferred for body text |
| #3B175D text on black | 1.46:1 | 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 950.
-
Step 50
50
#F8F3FF
oklch(97.1% 0.017 304.8)
-
Step 100
100
#EFE4FF
oklch(93.6% 0.038 304.1)
-
Step 200
200
#E2CFFF
oklch(88.5% 0.068 303.1)
-
Step 300
300
#D0AEFF
oklch(80.9% 0.117 303.1)
-
Step 400
400
#BA7EFF
oklch(70.8% 0.188 303.4)
-
Step 500
500
#AA52FF
oklch(63.1% 0.245 303.3)
-
Step 600
600
#9A00F9
oklch(55.6% 0.291 303.4)
-
Step 700
700
#8200D3
oklch(49.1% 0.257 303.5)
-
Step 800
800
#6B00AF
oklch(42.7% 0.224 303.5)
-
Step 900
900
#580C90
oklch(37.7% 0.188 303.3)
-
Step 950
950 (this color)
#3B175D
oklch(30% 0.119 303.4)
#3B175D 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) | #00295F | 0.089 |
| Deuteranopia (no green cones) | #002A5C | 0.090 |
| Tritanopia (no blue cones) | #342738 | 0.085 |
| Achromatopsia (no color) | #2A2A2A | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B175D
#3B175D
oklch(30% 0.119 303.4)
- #273300
#273300
oklch(29.9% 0.073 122.8)
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 #3B175D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.049
- Plum Purple #4E0550 ΔE 0.053
- Deep Violet #490648 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.060
- Dark Purple #35063E ΔE 0.066
- Deep Purple #36013F ΔE 0.068
- Dark Indigo #1F0954 ΔE 0.071
- Indigo #4B0082 ΔE 0.072
Use #3B175D 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.