#384DA5
Closest named color: Blueberry (#464196). oklch(45.4% 0.144 269.7), rgb(56, 77, 165).
Aa
White text reads best on this color (7.57:1).
About this color
#384DA5 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.040 away. White text reads best on it, at 7.57:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #384DA5 |
| RGB | rgb(56, 77, 165) |
| HSL | hsl(228, 49%, 43%) |
| OKLCH | oklch(45.4% 0.144 269.7) |
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 #384DA5 | 7.57:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #384DA5 | 2.77:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #384DA5 text on white | 7.57:1 | AAA | Lc 86.0 | Fine for body text |
| #384DA5 text on black | 2.77:1 | Fails | Lc -16.1 | Dividers and decoration only |
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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ABBFF8
oklch(81% 0.084 269.5)
-
Step 400
400
#809BF4
oklch(70.7% 0.134 269.9)
-
Step 500
500
#617FF0
oklch(63% 0.172 269.7)
-
Step 600
600
#4A66DF
oklch(55.7% 0.187 269.6)
-
Step 700
700
#3C53C1
oklch(49% 0.174 269.9)
-
Step 800
800 (this color)
#384DA5
oklch(45.4% 0.144 269.7)
-
Step 900
900
#2B3B7C
oklch(37.7% 0.112 269.9)
-
Step 950
950
#192349
oklch(27% 0.072 270)
#384DA5 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) | #1459A8 | 0.039 |
| Deuteranopia (no green cones) | #004FA3 | 0.038 |
| Tritanopia (no blue cones) | #006271 | 0.120 |
| Achromatopsia (no color) | #545454 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384DA5
#384DA5
oklch(45.4% 0.144 269.7)
- #6B5300
#6B5300
oklch(45.4% 0.093 89.3)
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 #384DA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.040
- Dusk Blue #26538D ΔE 0.048
- Cobalt #1E488F ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.054
- Twilight #4E518B ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.058
- Sapphire #2138AB ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.065
Use #384DA5 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.