#3D2B7F
Closest named color: Dark Slate Blue (#483D8B). oklch(36.2% 0.135 287.5), rgb(61, 43, 127).
Aa
White text reads best on this color (11.34:1).
About this color
#3D2B7F is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.135 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.053 away. White text reads best on it, at 11.34:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.85:1 |
| White text | 11.34:1 |
Values
| HEX | #3D2B7F |
| RGB | rgb(61, 43, 127) |
| HSL | hsl(253, 49%, 33%) |
| OKLCH | oklch(36.2% 0.135 287.5) |
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 #3D2B7F | 11.34:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #3D2B7F | 1.85:1 | Fails | Lc 8.2 | Not readable |
| #3D2B7F text on white | 11.34:1 | AAA | Lc 95.7 | Preferred for body text |
| #3D2B7F text on black | 1.85:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D6D4FD
oklch(88.5% 0.056 287.4)
-
Step 300
300
#BCB7FF
oklch(80.9% 0.101 287.1)
-
Step 400
400
#9C8DFF
oklch(70.6% 0.163 287.5)
-
Step 500
500
#876CFD
oklch(63.1% 0.207 287.5)
-
Step 600
600
#734EEC
oklch(55.6% 0.224 287.5)
-
Step 700
700
#613DCD
oklch(49.1% 0.208 287.6)
-
Step 800
800
#4F34A6
oklch(42.7% 0.173 287.6)
-
Step 900
900 (this color)
#3D2B7F
oklch(36.2% 0.135 287.5)
-
Step 950
950
#251D4D
oklch(27% 0.085 286.9)
#3D2B7F 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) | #003C82 | 0.070 |
| Deuteranopia (no green cones) | #00387D | 0.069 |
| Tritanopia (no blue cones) | #253F51 | 0.110 |
| Achromatopsia (no color) | #3A3A3A | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D2B7F
#3D2B7F
oklch(36.2% 0.135 287.5)
- #424000
#424000
oklch(36.2% 0.078 107.7)
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 #3D2B7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.053
- Indigo #4B0082 ΔE 0.063
- Blueberry #464196 ΔE 0.067
- Royal Purple #4B006E ΔE 0.076
- Imperial Purple #480CA8 ΔE 0.077
- Twilight Blue #0A437A ΔE 0.079
- Cobalt #1E488F ΔE 0.081
- Marine Blue #01386A ΔE 0.082
Use #3D2B7F 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.