#3D4873
Closest named color: Light Navy (#155084). oklch(41.2% 0.074 271.9), rgb(61, 72, 115).
Aa
White text reads best on this color (8.84:1).
About this color
#3D4873 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.074 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.047 away. White text reads best on it, at 8.84:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #3D4873 |
| RGB | rgb(61, 72, 115) |
| HSL | hsl(228, 31%, 35%) |
| OKLCH | oklch(41.2% 0.074 271.9) |
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 #3D4873 | 8.84:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #3D4873 | 2.37:1 | Fails | Lc 13.8 | Not readable |
| #3D4873 text on white | 8.84:1 | AAA | Lc 90.2 | Preferred for body text |
| #3D4873 text on black | 2.37:1 | Fails | Lc -12.1 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DD
oklch(80.9% 0.042 270.4)
-
Step 400
400
#919FCC
oklch(70.8% 0.068 271.2)
-
Step 500
500
#7786BF
oklch(63.1% 0.088 272.4)
-
Step 600
600
#606FAB
oklch(55.6% 0.095 272.3)
-
Step 700
700
#4F5D93
oklch(49.1% 0.088 271.8)
-
Step 800
800 (this color)
#3D4873
oklch(41.2% 0.074 271.9)
-
Step 900
900
#374060
oklch(37.8% 0.056 271.5)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#3D4873 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) | #384D75 | 0.015 |
| Deuteranopia (no green cones) | #344872 | 0.013 |
| Tritanopia (no blue cones) | #2A5158 | 0.066 |
| Achromatopsia (no color) | #4A4A4A | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4873
#3D4873
oklch(41.2% 0.074 271.9)
- #594913
#594913
oklch(41.1% 0.073 91.9)
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 #3D4873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.047
- Dusk #4E5481 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.051
- Dusk Blue #26538D ΔE 0.051
- Twilight #4E518B ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.056
Use #3D4873 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.