#3D449B
Closest named color: Blueberry (#464196). oklch(43.1% 0.14 275.4), rgb(61, 68, 155).
Aa
White text reads best on this color (8.40:1).
About this color
#3D449B is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.140 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.016 away. White text reads best on it, at 8.40:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #3D449B |
| RGB | rgb(61, 68, 155) |
| HSL | hsl(236, 44%, 42%) |
| OKLCH | oklch(43.1% 0.14 275.4) |
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 #3D449B | 8.40:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #3D449B | 2.49:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #3D449B text on white | 8.40:1 | AAA | Lc 88.7 | Fine for body text |
| #3D449B text on black | 2.49:1 | Fails | Lc -13.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B1BDF6
oklch(80.9% 0.082 275.2)
-
Step 400
400
#8A99F1
oklch(70.8% 0.13 275.2)
-
Step 500
500
#6F7CED
oklch(63.1% 0.168 275.5)
-
Step 600
600
#5962DB
oklch(55.5% 0.182 275.5)
-
Step 700
700
#4951BE
oklch(49.1% 0.169 275.1)
-
Step 800
800 (this color)
#3D449B
oklch(43.1% 0.14 275.4)
-
Step 900
900
#33397A
oklch(37.6% 0.109 275.9)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#3D449B 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) | #03519E | 0.051 |
| Deuteranopia (no green cones) | #004999 | 0.049 |
| Tritanopia (no blue cones) | #005868 | 0.121 |
| Achromatopsia (no color) | #4D4D4D | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D449B
#3D449B
oklch(43.1% 0.14 275.4)
- #5F4F00
#5F4F00
oklch(43.1% 0.089 95.6)
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 #3D449B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.016
- Dark Slate Blue #483D8B ΔE 0.033
- Cobalt #1E488F ΔE 0.041
- Dusk Blue #26538D ΔE 0.053
- Sapphire #2138AB ΔE 0.055
- Twilight #4E518B ΔE 0.055
- Light Navy #155084 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.067
Use #3D449B 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.