#3D4D65
Closest named color: Dark Grey Blue (#29465B). oklch(41.7% 0.045 258.3), rgb(61, 77, 101).
Aa
White text reads best on this color (8.57:1).
About this color
#3D4D65 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.045 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.039 away. White text reads best on it, at 8.57:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.44:1 |
| White text | 8.57:1 |
Values
| HEX | #3D4D65 |
| RGB | rgb(61, 77, 101) |
| HSL | hsl(216, 25%, 32%) |
| OKLCH | oklch(41.7% 0.045 258.3) |
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 #3D4D65 | 8.57:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #3D4D65 | 2.44:1 | Fails | Lc 14.5 | Not readable |
| #3D4D65 text on white | 8.57:1 | AAA | Lc 89.5 | Fine for body text |
| #3D4D65 text on black | 2.44:1 | Fails | Lc -12.8 | 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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B6C1D2
oklch(80.8% 0.027 259)
-
Step 400
400
#91A2BB
oklch(70.7% 0.041 257.9)
-
Step 500
500
#768BAB
oklch(63.2% 0.054 258.7)
-
Step 600
600
#5E7496
oklch(55.5% 0.059 259)
-
Step 700
700
#4E6280
oklch(49.2% 0.054 258.3)
-
Step 800
800 (this color)
#3D4D65
oklch(41.7% 0.045 258.3)
-
Step 900
900
#364254
oklch(37.6% 0.035 258.3)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#3D4D65 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) | #444E66 | 0.011 |
| Deuteranopia (no green cones) | #404A64 | 0.009 |
| Tritanopia (no blue cones) | #305255 | 0.040 |
| Achromatopsia (no color) | #4C4C4C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4D65
#3D4D65
oklch(41.7% 0.045 258.3)
- #5A492F
#5A492F
oklch(41.6% 0.046 77.6)
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 #3D4D65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.039
- YInMn Blue #415A77 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.046
- Charcoal #264653 ΔE 0.048
- Dusty Grape #545775 ΔE 0.053
- Dusk #4E5481 ΔE 0.056
- Deep Teal #00555A ΔE 0.059
- Light Navy #155084 ΔE 0.060
Use #3D4D65 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.