#3C1B5D
Closest named color: Royal Purple (#4B006E). oklch(30.7% 0.113 303.3), rgb(60, 27, 93).
Aa
White text reads best on this color (13.93:1).
About this color
#3C1B5D is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.113 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 0.052 away. White text reads best on it, at 13.93:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.50:1 |
| White text | 13.93:1 |
Values
| HEX | #3C1B5D |
| RGB | rgb(60, 27, 93) |
| HSL | hsl(270, 55%, 24%) |
| OKLCH | oklch(30.7% 0.113 303.3) |
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 #3C1B5D | 13.93:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #3C1B5D | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #3C1B5D text on white | 13.93:1 | AAA | Lc 100.1 | Preferred for body text |
| #3C1B5D text on black | 1.50:1 | 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
#B97EFF
oklch(70.7% 0.188 303)
-
Step 500
500
#AA52FF
oklch(63.1% 0.245 303.3)
-
Step 600
600
#9A00FA
oklch(55.6% 0.292 303.2)
-
Step 700
700
#8200D4
oklch(49.2% 0.258 303.3)
-
Step 800
800
#6B00AF
oklch(42.7% 0.224 303.5)
-
Step 900
900
#57148C
oklch(37.7% 0.178 303.5)
-
Step 950
950 (this color)
#3C1B5D
oklch(30.7% 0.113 303.3)
#3C1B5D 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) | #002B5F | 0.087 |
| Deuteranopia (no green cones) | #042C5C | 0.086 |
| Tritanopia (no blue cones) | #362A39 | 0.084 |
| Achromatopsia (no color) | #2C2C2C | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C1B5D
#3C1B5D
oklch(30.7% 0.113 303.3)
- #283500
#283500
oklch(30.6% 0.075 123.4)
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 #3C1B5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.052
- Plum Purple #4E0550 ΔE 0.055
- Deep Violet #490648 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.063
- Dark Purple #35063E ΔE 0.071
- Indigo #4B0082 ΔE 0.074
- Deep Purple #36013F ΔE 0.074
- Midnight Blue #191970 ΔE 0.076
Use #3C1B5D 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.