#384C80
Closest named color: Dusk Blue (#26538D). oklch(42.6% 0.09 266.7), rgb(56, 76, 128).
Aa
White text reads best on this color (8.35:1).
About this color
#384C80 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.090 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.030 away. White text reads best on it, at 8.35:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #384C80 |
| RGB | rgb(56, 76, 128) |
| HSL | hsl(223, 39%, 36%) |
| OKLCH | oklch(42.6% 0.09 266.7) |
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 #384C80 | 8.35:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #384C80 | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #384C80 text on white | 8.35:1 | AAA | Lc 88.7 | Fine for body text |
| #384C80 text on black | 2.51:1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B1C0E4
oklch(80.8% 0.054 267.4)
-
Step 400
400
#899FD6
oklch(70.6% 0.085 267.4)
-
Step 500
500
#6C87CB
oklch(63.1% 0.108 266.9)
-
Step 600
600
#5470B8
oklch(55.7% 0.117 266.6)
-
Step 700
700
#445D9E
oklch(49% 0.109 266.6)
-
Step 800
800 (this color)
#384C80
oklch(42.6% 0.09 266.7)
-
Step 900
900
#304067
oklch(37.7% 0.07 266.2)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#384C80 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) | #375182 | 0.014 |
| Deuteranopia (no green cones) | #2E4B7F | 0.013 |
| Tritanopia (no blue cones) | #115760 | 0.080 |
| Achromatopsia (no color) | #4E4E4E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384C80
#384C80
oklch(42.6% 0.09 266.7)
- #634B00
#634B00
oklch(42.6% 0.087 87.5)
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 #384C80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.030
- Light Navy #155084 ΔE 0.032
- Twilight #4E518B ΔE 0.040
- Cobalt #1E488F ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.041
- Dusk #4E5481 ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.049
Use #384C80 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.