#3D4668
Closest named color: Dark Grey Blue (#29465B). oklch(40.2% 0.059 272.2), rgb(61, 70, 104).
Aa
White text reads best on this color (9.23:1).
About this color
#3D4668 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.059 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.037 away. White text reads best on it, at 9.23:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #3D4668 |
| RGB | rgb(61, 70, 104) |
| HSL | hsl(227, 26%, 32%) |
| OKLCH | oklch(40.2% 0.059 272.2) |
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 #3D4668 | 9.23:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #3D4668 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #3D4668 text on white | 9.23:1 | AAA | Lc 91.3 | Preferred for body text |
| #3D4668 text on black | 2.27:1 | Fails | Lc -11.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B6C0DE
oklch(81% 0.044 270.8)
-
Step 400
400
#919ECD
oklch(70.6% 0.071 272.5)
-
Step 500
500
#7686C0
oklch(63.1% 0.09 271.8)
-
Step 600
600
#606FAD
oklch(55.7% 0.098 272.5)
-
Step 700
700
#4F5D94
oklch(49.2% 0.09 271.9)
-
Step 800
800
#414C78
oklch(42.7% 0.075 272.2)
-
Step 900
900 (this color)
#3D4668
oklch(40.2% 0.059 272.2)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#3D4668 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) | #3B4969 | 0.009 |
| Deuteranopia (no green cones) | #374667 | 0.009 |
| Tritanopia (no blue cones) | #304D52 | 0.053 |
| Achromatopsia (no color) | #474747 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4668
#3D4668
oklch(40.2% 0.059 272.2)
- #534720
#534720
oklch(40.1% 0.059 92.5)
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 #3D4668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.037
- Charcoal #264653 ΔE 0.050
- Light Navy #155084 ΔE 0.059
- Twilight Blue #0A437A ΔE 0.060
- Dusk #4E5481 ΔE 0.061
- YInMn Blue #415A77 ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.064
Use #3D4668 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.