#3D466B
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.064 272.8), rgb(61, 70, 107).
Aa
White text reads best on this color (9.18:1).
About this color
#3D466B is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.064 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.040 away. White text reads best on it, at 9.18:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #3D466B |
| RGB | rgb(61, 70, 107) |
| HSL | hsl(228, 27%, 33%) |
| OKLCH | oklch(40.3% 0.064 272.8) |
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 #3D466B | 9.18:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #3D466B | 2.28:1 | Fails | Lc 12.9 | Not readable |
| #3D466B text on white | 9.18:1 | AAA | Lc 91.1 | Preferred for body text |
| #3D466B text on black | 2.28:1 | Fails | Lc -11.2 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F1
oklch(93.5% 0.011 274.9)
-
Step 200
200
#D4D9E7
oklch(88.6% 0.02 270.2)
-
Step 300
300
#B8C0D9
oklch(81% 0.036 271.5)
-
Step 400
400
#949FC6
oklch(70.8% 0.058 272.5)
-
Step 500
500
#7A87B8
oklch(63.2% 0.076 272.6)
-
Step 600
600
#6370A4
oklch(55.6% 0.083 272.7)
-
Step 700
700
#525E8C
oklch(49.2% 0.075 272.2)
-
Step 800
800 (this color)
#3D466B
oklch(40.3% 0.064 272.8)
-
Step 900
900
#39405C
oklch(37.8% 0.049 273.1)
-
Step 950
950
#212536
oklch(26.9% 0.032 273.8)
#3D466B 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) | #394A6D | 0.012 |
| Deuteranopia (no green cones) | #36466A | 0.010 |
| Tritanopia (no blue cones) | #2E4D53 | 0.057 |
| Achromatopsia (no color) | #484848 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D466B
#3D466B
oklch(40.3% 0.064 272.8)
- #54481C
#54481C
oklch(40.4% 0.064 94.1)
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 #3D466B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.040
- Charcoal #264653 ΔE 0.054
- Light Navy #155084 ΔE 0.056
- Twilight Blue #0A437A ΔE 0.058
- Dusk #4E5481 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.061
- Deep Sea Blue #015482 ΔE 0.062
- Dusk Blue #26538D ΔE 0.063
Use #3D466B 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.