#384B99
Closest named color: Blueberry (#464196). oklch(44.1% 0.129 270.1), rgb(56, 75, 153).
Aa
White text reads best on this color (7.97:1).
About this color
#384B99 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.129 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.030 away. White text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #384B99 |
| RGB | rgb(56, 75, 153) |
| HSL | hsl(228, 46%, 41%) |
| OKLCH | oklch(44.1% 0.129 270.1) |
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 #384B99 | 7.97:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #384B99 | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #384B99 text on white | 7.97:1 | AAA | Lc 87.4 | Fine for body text |
| #384B99 text on black | 2.63:1 | Fails | Lc -14.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#ADBFF2
oklch(80.9% 0.075 269.5)
-
Step 400
400
#839CEC
oklch(70.7% 0.121 269.9)
-
Step 500
500
#6681E6
oklch(63.1% 0.155 270.2)
-
Step 600
600
#4F68D4
oklch(55.6% 0.168 270.3)
-
Step 700
700
#4056B8
oklch(49.1% 0.156 270.2)
-
Step 800
800 (this color)
#384B99
oklch(44.1% 0.129 270.1)
-
Step 900
900
#2D3C76
oklch(37.6% 0.101 270.1)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#384B99 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) | #20559C | 0.032 |
| Deuteranopia (no green cones) | #084D97 | 0.038 |
| Tritanopia (no blue cones) | #005D6B | 0.109 |
| Achromatopsia (no color) | #515151 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384B99
#384B99
oklch(44.1% 0.129 270.1)
- #665000
#665000
oklch(44.1% 0.09 90.4)
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 #384B99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.030
- Cobalt #1E488F ΔE 0.035
- Dusk Blue #26538D ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.044
- Twilight #4E518B ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.049
- Light Navy #155084 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.055
Use #384B99 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.