#3B1B58
Closest named color: Deep Violet (#490648). oklch(30.2% 0.107 304.9), rgb(59, 27, 88).
Aa
White text reads best on this color (14.15:1).
About this color
#3B1B58 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.107 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.052 away. White text reads best on it, at 14.15:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.48:1 |
| White text | 14.15:1 |
Values
| HEX | #3B1B58 |
| RGB | rgb(59, 27, 88) |
| HSL | hsl(271, 53%, 23%) |
| OKLCH | oklch(30.2% 0.107 304.9) |
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 #3B1B58 | 14.15:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #3B1B58 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #3B1B58 text on white | 14.15:1 | AAA | Lc 100.5 | Preferred for body text |
| #3B1B58 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
#EFE4FE
oklch(93.5% 0.037 304.8)
-
Step 200
200
#E4CEFF
oklch(88.5% 0.07 305.4)
-
Step 300
300
#D2ADFF
oklch(80.9% 0.119 304.6)
-
Step 400
400
#BD7BFF
oklch(70.6% 0.193 305.1)
-
Step 500
500
#AE4EFF
oklch(63.1% 0.25 305)
-
Step 600
600
#9B14F2
oklch(55.6% 0.28 304.8)
-
Step 700
700
#8400D0
oklch(49.1% 0.255 304.9)
-
Step 800
800
#6C09AA
oklch(42.7% 0.216 305.1)
-
Step 900
900
#571987
oklch(37.7% 0.169 304.8)
-
Step 950
950 (this color)
#3B1B58
oklch(30.2% 0.107 304.9)
#3B1B58 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) | #002A5A | 0.086 |
| Deuteranopia (no green cones) | #0B2B57 | 0.080 |
| Tritanopia (no blue cones) | #362836 | 0.078 |
| Achromatopsia (no color) | #2B2B2B | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1B58
#3B1B58
oklch(30.2% 0.107 304.9)
- #263400
#263400
oklch(30.1% 0.075 124.4)
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 #3B1B58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.053
- Eggplant Purple #430541 ΔE 0.057
- Royal Purple #4B006E ΔE 0.059
- Dark Purple #35063E ΔE 0.063
- Deep Purple #36013F ΔE 0.067
- Eggplant #380835 ΔE 0.072
- Aubergine #3D0734 ΔE 0.073
Use #3B1B58 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.