#3D446E
Closest named color: Dark Grey Blue (#29465B). oklch(40% 0.071 275.5), rgb(61, 68, 110).
Aa
White text reads best on this color (9.33:1).
About this color
#3D446E is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 276°. 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 9.33:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.33:1 |
Values
| HEX | #3D446E |
| RGB | rgb(61, 68, 110) |
| HSL | hsl(231, 29%, 34%) |
| OKLCH | oklch(40% 0.071 275.5) |
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 #3D446E | 9.33:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #3D446E | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #3D446E text on white | 9.33:1 | AAA | Lc 91.5 | Preferred for body text |
| #3D446E text on black | 2.25:1 | Fails | Lc -10.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B6BEE4
oklch(80.8% 0.054 275.8)
-
Step 400
400
#919CD6
oklch(70.6% 0.086 275.7)
-
Step 500
500
#7783CB
oklch(63.1% 0.109 275.6)
-
Step 600
600
#606CB8
oklch(55.6% 0.118 275.1)
-
Step 700
700
#50599F
oklch(49% 0.112 275.9)
-
Step 800
800
#414981
oklch(42.6% 0.093 275.6)
-
Step 900
900 (this color)
#3D446E
oklch(40% 0.071 275.5)
-
Step 950
950
#20243C
oklch(26.9% 0.045 275.7)
#3D446E 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) | #354970 | 0.017 |
| Deuteranopia (no green cones) | #32456D | 0.016 |
| Tritanopia (no blue cones) | #2D4C53 | 0.063 |
| Achromatopsia (no color) | #474747 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D446E
#3D446E
oklch(40% 0.071 275.5)
- #544713
#544713
oklch(40% 0.071 94.7)
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 #3D446E, 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
- Twilight Blue #0A437A ΔE 0.054
- Light Navy #155084 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.058
- Charcoal #264653 ΔE 0.060
- Dusk #4E5481 ΔE 0.060
- Cobalt #1E488F ΔE 0.062
- Dusk Blue #26538D ΔE 0.063
Use #3D446E 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.