#3A2E6F
Closest named color: Dark Slate Blue (#483D8B). oklch(35.2% 0.108 288), rgb(58, 46, 111).
Aa
White text reads best on this color (11.66:1).
About this color
#3A2E6F is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.108 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.065 away. White text reads best on it, at 11.66:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.80:1 |
| White text | 11.66:1 |
Values
| HEX | #3A2E6F |
| RGB | rgb(58, 46, 111) |
| HSL | hsl(251, 41%, 31%) |
| OKLCH | oklch(35.2% 0.108 288) |
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 #3A2E6F | 11.66:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #3A2E6F | 1.80:1 | Fails | Lc 7.3 | Not readable |
| #3A2E6F text on white | 11.66:1 | AAA | Lc 96.6 | Preferred for body text |
| #3A2E6F text on black | 1.80:1 | 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 900.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F6
oklch(88.5% 0.045 288.2)
-
Step 300
300
#BDB9F3
oklch(80.9% 0.081 287.6)
-
Step 400
400
#9D92EC
oklch(70.6% 0.13 288.2)
-
Step 500
500
#8775E6
oklch(63.2% 0.165 288.1)
-
Step 600
600
#725AD4
oklch(55.5% 0.18 288.2)
-
Step 700
700
#6049B8
oklch(49.1% 0.168 288.2)
-
Step 800
800
#4E3D95
oklch(42.7% 0.138 288)
-
Step 900
900 (this color)
#3A2E6F
oklch(35.2% 0.108 288)
-
Step 950
950
#252045
oklch(27% 0.067 287.2)
#3A2E6F 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) | #093A71 | 0.061 |
| Deuteranopia (no green cones) | #09376E | 0.060 |
| Tritanopia (no blue cones) | #293C49 | 0.090 |
| Achromatopsia (no color) | #383838 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2E6F
#3A2E6F
oklch(35.2% 0.108 288)
- #3F3D00
#3F3D00
oklch(35.1% 0.075 107.6)
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 #3A2E6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.065
- Marine Blue #01386A ΔE 0.066
- Twilight Blue #0A437A ΔE 0.072
- Marine #042E60 ΔE 0.073
- Indigo #4B0082 ΔE 0.080
- Royal Purple #4B006E ΔE 0.080
- Midnight Blue #191970 ΔE 0.080
Use #3A2E6F 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.