#3D3B60
Closest named color: Dark Grey Blue (#29465B). oklch(37.2% 0.063 285.4), rgb(61, 59, 96).
Aa
White text reads best on this color (10.53:1).
About this color
#3D3B60 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.045 away. White text reads best on it, at 10.53:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #3D3B60 |
| RGB | rgb(61, 59, 96) |
| HSL | hsl(243, 24%, 30%) |
| OKLCH | oklch(37.2% 0.063 285.4) |
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 #3D3B60 | 10.53:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #3D3B60 | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #3D3B60 text on white | 10.53:1 | AAA | Lc 94.4 | Preferred for body text |
| #3D3B60 text on black | 1.99:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BDBDDF
oklch(80.9% 0.048 285.3)
-
Step 400
400
#9B9ACE
oklch(70.6% 0.076 285.2)
-
Step 500
500
#8481C1
oklch(63.1% 0.095 285.5)
-
Step 600
600
#6E69AE
oklch(55.6% 0.106 285.7)
-
Step 700
700
#5C5895
oklch(49.2% 0.096 285.3)
-
Step 800
800
#4B4879
oklch(42.7% 0.08 285.3)
-
Step 900
900 (this color)
#3D3B60
oklch(37.2% 0.063 285.4)
-
Step 950
950
#242439
oklch(27.1% 0.039 283.5)
#3D3B60 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) | #304061 | 0.023 |
| Deuteranopia (no green cones) | #2F3E5F | 0.023 |
| Tritanopia (no blue cones) | #344249 | 0.054 |
| Achromatopsia (no color) | #3F3F3F | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D3B60
#3D3B60
oklch(37.2% 0.063 285.4)
- #454216
#454216
oklch(37.2% 0.063 105.4)
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 #3D3B60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.054
- Charcoal #264653 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.057
- Onyx #343A40 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.066
- Marine Blue #01386A ΔE 0.068
Use #3D3B60 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.