#3D446C
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.068 275.3), rgb(61, 68, 108).
Aa
White text reads best on this color (9.36:1).
About this color
#3D446C is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.068 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.043 away. White text reads best on it, at 9.36:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #3D446C |
| RGB | rgb(61, 68, 108) |
| HSL | hsl(231, 28%, 33%) |
| OKLCH | oklch(39.9% 0.068 275.3) |
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 #3D446C | 9.36:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #3D446C | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #3D446C text on white | 9.36:1 | AAA | Lc 91.6 | Preferred for body text |
| #3D446C text on black | 2.24:1 | Fails | Lc -10.8 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B7BFE2
oklch(81% 0.05 275.1)
-
Step 400
400
#929DD4
oklch(70.8% 0.082 275.4)
-
Step 500
500
#7784C8
oklch(63.1% 0.104 274.8)
-
Step 600
600
#616CB5
oklch(55.5% 0.114 275.6)
-
Step 700
700
#505A9C
oklch(49.1% 0.106 275.3)
-
Step 800
800
#424A7E
oklch(42.7% 0.087 275.5)
-
Step 900
900 (this color)
#3D446C
oklch(39.9% 0.068 275.3)
-
Step 950
950
#20253B
oklch(27.1% 0.042 273.5)
#3D446C 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) | #36486E | 0.014 |
| Deuteranopia (no green cones) | #33456B | 0.014 |
| Tritanopia (no blue cones) | #2E4C53 | 0.060 |
| Achromatopsia (no color) | #464646 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D446C
#3D446C
oklch(39.9% 0.068 275.3)
- #534716
#534716
oklch(40% 0.068 95.3)
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 #3D446C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.043
- Twilight Blue #0A437A ΔE 0.056
- Charcoal #264653 ΔE 0.057
- Light Navy #155084 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.061
- Dusk #4E5481 ΔE 0.062
- Dusk Blue #26538D ΔE 0.065
- Deep Sea Blue #015482 ΔE 0.065
Use #3D446C 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.