#3E2D8B
Closest named color: Dark Slate Blue (#483D8B). oklch(37.7% 0.148 285.1), rgb(62, 45, 139).
Aa
White text reads best on this color (10.75:1).
About this color
#3E2D8B is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.148 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 10.75:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.75:1 |
Values
| HEX | #3E2D8B |
| RGB | rgb(62, 45, 139) |
| HSL | hsl(251, 51%, 36%) |
| OKLCH | oklch(37.7% 0.148 285.1) |
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 #3E2D8B | 10.75:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #3E2D8B | 1.95:1 | Fails | Lc 9.5 | Not readable |
| #3E2D8B text on white | 10.75:1 | AAA | Lc 94.4 | Preferred for body text |
| #3E2D8B text on black | 1.95:1 | Fails | Lc -8.2 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E7FF
oklch(93.5% 0.032 285.8)
-
Step 200
200
#D4D4FF
oklch(88.4% 0.059 285.1)
-
Step 300
300
#BAB8FF
oklch(81% 0.1 285.2)
-
Step 400
400
#988FFF
oklch(70.7% 0.16 285.2)
-
Step 500
500
#826EFF
oklch(63.2% 0.207 285.1)
-
Step 600
600
#6F48FA
oklch(55.7% 0.247 285.1)
-
Step 700
700
#5D37DA
oklch(49.1% 0.23 284.8)
-
Step 800
800
#4C30B0
oklch(42.8% 0.19 285.1)
-
Step 900
900 (this color)
#3E2D8B
oklch(37.7% 0.148 285.1)
-
Step 950
950
#241C51
oklch(27% 0.093 285.2)
#3E2D8B 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) | #00408E | 0.070 |
| Deuteranopia (no green cones) | #003B89 | 0.067 |
| Tritanopia (no blue cones) | #1D4558 | 0.124 |
| Achromatopsia (no color) | #3E3E3E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E2D8B
#3E2D8B
oklch(37.7% 0.148 285.1)
- #484300
#484300
oklch(37.6% 0.08 104.8)
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 #3E2D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.054
- Imperial Purple #480CA8 ΔE 0.062
- Indigo #4B0082 ΔE 0.068
- Sapphire #2138AB ΔE 0.068
- Indigo Blue #3A18B1 ΔE 0.069
- Cobalt #1E488F ΔE 0.073
- Chrysanthemum #560BAD ΔE 0.077
Use #3E2D8B 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.