#3C1B57
Closest named color: Deep Violet (#490648). oklch(30.2% 0.106 306.4), rgb(60, 27, 87).
Aa
White text reads best on this color (14.12:1).
About this color
#3C1B57 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.106 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.050 away. White text reads best on it, at 14.12:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.48:1 |
| White text | 14.12:1 |
Values
| HEX | #3C1B57 |
| RGB | rgb(60, 27, 87) |
| HSL | hsl(273, 53%, 22%) |
| OKLCH | oklch(30.2% 0.106 306.4) |
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 #3C1B57 | 14.12:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #3C1B57 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #3C1B57 text on white | 14.12:1 | AAA | Lc 100.4 | Preferred for body text |
| #3C1B57 text on black | 1.48:1 | 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
#F0E4FE
oklch(93.6% 0.037 306.4)
-
Step 200
200
#E5CEFE
oklch(88.6% 0.069 306.7)
-
Step 300
300
#D5ABFF
oklch(80.8% 0.123 306.7)
-
Step 400
400
#C079FF
oklch(70.6% 0.197 306.5)
-
Step 500
500
#B14AFF
oklch(63% 0.255 306.3)
-
Step 600
600
#9E14EE
oklch(55.6% 0.278 306.6)
-
Step 700
700
#8600CD
oklch(49.1% 0.253 306.4)
-
Step 800
800
#6D0AA8
oklch(42.7% 0.214 306)
-
Step 900
900
#591985
oklch(37.8% 0.167 306.6)
-
Step 950
950 (this color)
#3C1B57
oklch(30.2% 0.106 306.4)
#3C1B57 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) | #002A59 | 0.088 |
| Deuteranopia (no green cones) | #0E2B56 | 0.080 |
| Tritanopia (no blue cones) | #372736 | 0.075 |
| Achromatopsia (no color) | #2B2B2B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C1B57
#3C1B57
oklch(30.2% 0.106 306.4)
- #243500
#243500
oklch(30.3% 0.078 126.7)
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 #3C1B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.050
- Plum Purple #4E0550 ΔE 0.051
- Eggplant Purple #430541 ΔE 0.055
- Royal Purple #4B006E ΔE 0.059
- Dark Purple #35063E ΔE 0.063
- Deep Purple #36013F ΔE 0.067
- Eggplant #380835 ΔE 0.071
- Aubergine #3D0734 ΔE 0.072
Use #3C1B57 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.