#3B1555
Closest named color: Deep Violet (#490648). oklch(29.1% 0.112 308.1), rgb(59, 21, 85).
Aa
White text reads best on this color (14.74:1).
About this color
#3B1555 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.112 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.044 away. White text reads best on it, at 14.74:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.42:1 |
| White text | 14.74:1 |
Values
| HEX | #3B1555 |
| RGB | rgb(59, 21, 85) |
| HSL | hsl(276, 60%, 21%) |
| OKLCH | oklch(29.1% 0.112 308.1) |
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 #3B1555 | 14.74:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #3B1555 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #3B1555 text on white | 14.74:1 | AAA | Lc 101.1 | Preferred for body text |
| #3B1555 text on black | 1.42:1 | 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
#F9F3FF
oklch(97.2% 0.017 308.3)
-
Step 100
100
#F1E4FE
oklch(93.7% 0.037 308)
-
Step 200
200
#E7CDFF
oklch(88.6% 0.073 308.4)
-
Step 300
300
#D7AAFF
oklch(80.9% 0.126 308)
-
Step 400
400
#C377FF
oklch(70.7% 0.201 307.9)
-
Step 500
500
#B645FF
oklch(63.1% 0.262 308.2)
-
Step 600
600
#A200EE
oklch(55.6% 0.284 308.2)
-
Step 700
700
#8800CA
oklch(49.1% 0.251 307.8)
-
Step 800
800
#7000A7
oklch(42.6% 0.218 308)
-
Step 900
900
#5C1187
oklch(37.7% 0.177 308.2)
-
Step 950
950 (this color)
#3B1555
oklch(29.1% 0.112 308.1)
#3B1555 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) | #002757 | 0.093 |
| Deuteranopia (no green cones) | #062854 | 0.090 |
| Tritanopia (no blue cones) | #372333 | 0.078 |
| Achromatopsia (no color) | #282828 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1555
#3B1555
oklch(29.1% 0.112 308.1)
- #203200
#203200
oklch(29% 0.076 128.2)
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 #3B1555, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.044
- Eggplant Purple #430541 ΔE 0.047
- Plum Purple #4E0550 ΔE 0.047
- Dark Purple #35063E ΔE 0.052
- Deep Purple #36013F ΔE 0.055
- Royal Purple #4B006E ΔE 0.058
- Eggplant #380835 ΔE 0.063
- Aubergine #3D0734 ΔE 0.064
Use #3B1555 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.