#3A4772
Closest named color: Light Navy (#155084). oklch(40.7% 0.074 270.1), rgb(58, 71, 114).
Aa
White text reads best on this color (9.03:1).
About this color
#3A4772 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.074 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.046 away. White text reads best on it, at 9.03:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #3A4772 |
| RGB | rgb(58, 71, 114) |
| HSL | hsl(226, 33%, 34%) |
| OKLCH | oklch(40.7% 0.074 270.1) |
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 #3A4772 | 9.03:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #3A4772 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #3A4772 text on white | 9.03:1 | AAA | Lc 90.7 | Preferred for body text |
| #3A4772 text on black | 2.32:1 | Fails | Lc -11.6 | 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
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B5C0DE
oklch(80.9% 0.044 269.5)
-
Step 400
400
#909FCD
oklch(70.7% 0.07 270.5)
-
Step 500
500
#7487C0
oklch(63.1% 0.089 269.6)
-
Step 600
600
#5D70AC
oklch(55.6% 0.096 269.7)
-
Step 700
700
#4D5D94
oklch(49% 0.091 270.5)
-
Step 800
800 (this color)
#3A4772
oklch(40.7% 0.074 270.1)
-
Step 900
900
#364061
oklch(37.8% 0.058 270.6)
-
Step 950
950
#1F2639
oklch(27.1% 0.037 268.4)
#3A4772 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) | #374B74 | 0.012 |
| Deuteranopia (no green cones) | #324771 | 0.011 |
| Tritanopia (no blue cones) | #255057 | 0.066 |
| Achromatopsia (no color) | #494949 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A4772
#3A4772
oklch(40.7% 0.074 270.1)
- #594710
#594710
oklch(40.6% 0.074 89.8)
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 #3A4772, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.047
- Twilight Blue #0A437A ΔE 0.051
- Dusk Blue #26538D ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.054
- Dusk #4E5481 ΔE 0.054
- Cobalt #1E488F ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.058
Use #3A4772 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.