#3D3157
Closest named color: Prussian Blue (#1D3557). oklch(34.4% 0.066 297.4), rgb(61, 49, 87).
Aa
White text reads best on this color (11.82:1).
About this color
#3D3157 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.066 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.049 away. White text reads best on it, at 11.82:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.77:1 |
| White text | 11.82:1 |
Values
| HEX | #3D3157 |
| RGB | rgb(61, 49, 87) |
| HSL | hsl(259, 28%, 27%) |
| OKLCH | oklch(34.4% 0.066 297.4) |
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 #3D3157 | 11.82:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #3D3157 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #3D3157 text on white | 11.82:1 | AAA | Lc 97.1 | Preferred for body text |
| #3D3157 text on black | 1.77:1 | 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
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DBD6EA
oklch(88.6% 0.028 297.3)
-
Step 300
300
#C4BADD
oklch(80.8% 0.05 298.3)
-
Step 400
400
#A696CC
oklch(70.6% 0.079 297.9)
-
Step 500
500
#907CBF
oklch(63.1% 0.101 297.2)
-
Step 600
600
#7B64AC
oklch(55.6% 0.111 297.4)
-
Step 700
700
#685393
oklch(49.2% 0.102 297.7)
-
Step 800
800
#544477
oklch(42.6% 0.084 297.2)
-
Step 900
900 (this color)
#3D3157
oklch(34.4% 0.066 297.4)
-
Step 950
950
#292238
oklch(27% 0.041 298.2)
#3D3157 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) | #273858 | 0.039 |
| Deuteranopia (no green cones) | #293756 | 0.036 |
| Tritanopia (no blue cones) | #38383F | 0.054 |
| Achromatopsia (no color) | #373737 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D3157
#3D3157
oklch(34.4% 0.066 297.4)
- #373D10
#373D10
oklch(34.4% 0.066 116.5)
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 #3D3157, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.058
- Onyx #343A40 ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.071
- Marine Blue #01386A ΔE 0.072
Use #3D3157 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.