#3D3553
Closest named color: Onyx (#343A40). oklch(35.1% 0.052 295.9), rgb(61, 53, 83).
Aa
White text reads best on this color (11.45:1).
About this color
#3D3553 is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.052 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.045 away. White text reads best on it, at 11.45:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.83:1 |
| White text | 11.45:1 |
Values
| HEX | #3D3553 |
| RGB | rgb(61, 53, 83) |
| HSL | hsl(256, 22%, 27%) |
| OKLCH | oklch(35.1% 0.052 295.9) |
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 #3D3553 | 11.45:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #3D3553 | 1.83:1 | Fails | Lc 7.5 | Not readable |
| #3D3553 text on white | 11.45:1 | AAA | Lc 96.4 | Preferred for body text |
| #3D3553 text on black | 1.83:1 | 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
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E6
oklch(88.4% 0.022 297.4)
-
Step 300
300
#C2BCD8
oklch(80.9% 0.04 295.3)
-
Step 400
400
#A399C4
oklch(70.6% 0.063 295.4)
-
Step 500
500
#8D80B5
oklch(63.1% 0.08 295.3)
-
Step 600
600
#7868A1
oklch(55.6% 0.088 296.3)
-
Step 700
700
#655789
oklch(49.1% 0.08 296.2)
-
Step 800
800
#524770
oklch(42.7% 0.068 295.7)
-
Step 900
900 (this color)
#3D3553
oklch(35.1% 0.052 295.9)
-
Step 950
950
#282335
oklch(27% 0.034 296.8)
#3D3553 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) | #2E3A54 | 0.027 |
| Deuteranopia (no green cones) | #2F3952 | 0.025 |
| Tritanopia (no blue cones) | #393A40 | 0.042 |
| Achromatopsia (no color) | #3A3A3A | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D3553
#3D3553
oklch(35.1% 0.052 295.9)
- #393E1D
#393E1D
oklch(35% 0.052 116.2)
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 #3D3553, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.048
- Gunmetal #293241 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.056
- Charcoal #264653 ΔE 0.060
Use #3D3553 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.