#3D3151
Closest named color: Space Cadet (#2B2D42). oklch(34.1% 0.057 300.7), rgb(61, 49, 81).
Aa
White text reads best on this color (11.95:1).
About this color
#3D3151 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.057 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 11.95:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.75:1 |
| White text | 11.95:1 |
Values
| HEX | #3D3151 |
| RGB | rgb(61, 49, 81) |
| HSL | hsl(263, 25%, 25%) |
| OKLCH | oklch(34.1% 0.057 300.7) |
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 #3D3151 | 11.95:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #3D3151 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #3D3151 text on white | 11.95:1 | AAA | Lc 97.3 | Preferred for body text |
| #3D3151 text on black | 1.75:1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DBD6E7
oklch(88.5% 0.024 299.3)
-
Step 300
300
#C5BBD8
oklch(80.9% 0.042 301.2)
-
Step 400
400
#A797C5
oklch(70.6% 0.068 300.6)
-
Step 500
500
#927DB6
oklch(63.1% 0.087 300.9)
-
Step 600
600
#7C66A2
oklch(55.6% 0.094 300.2)
-
Step 700
700
#69548B
oklch(49% 0.089 300.8)
-
Step 800
800
#564571
oklch(42.7% 0.074 301.1)
-
Step 900
900 (this color)
#3D3151
oklch(34.1% 0.057 300.7)
-
Step 950
950
#292235
oklch(26.9% 0.036 300.9)
#3D3151 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) | #293752 | 0.036 |
| Deuteranopia (no green cones) | #2C3750 | 0.033 |
| Tritanopia (no blue cones) | #39363D | 0.044 |
| Achromatopsia (no color) | #373737 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D3151
#3D3151
oklch(34.1% 0.057 300.7)
- #343D19
#343D19
oklch(34.2% 0.057 121.1)
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 #3D3151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.049
- Onyx #343A40 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.067
- Charcoal #264653 ΔE 0.071
Use #3D3151 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.