#384D83
Closest named color: Dusk Blue (#26538D). oklch(43% 0.093 266.5), rgb(56, 77, 131).
Aa
White text reads best on this color (8.21:1).
About this color
#384D83 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.093 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.026 away. White text reads best on it, at 8.21:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #384D83 |
| RGB | rgb(56, 77, 131) |
| HSL | hsl(223, 40%, 37%) |
| OKLCH | oklch(43% 0.093 266.5) |
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 #384D83 | 8.21:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #384D83 | 2.55:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #384D83 text on white | 8.21:1 | AAA | Lc 88.2 | Fine for body text |
| #384D83 text on black | 2.55:1 | Fails | Lc -13.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B0C0E5
oklch(80.8% 0.055 266.7)
-
Step 400
400
#879FD8
oklch(70.6% 0.088 266.6)
-
Step 500
500
#6A87CD
oklch(63.1% 0.111 266.2)
-
Step 600
600
#526FBA
oklch(55.5% 0.122 266.5)
-
Step 700
700
#435DA0
oklch(49.1% 0.112 266.4)
-
Step 800
800 (this color)
#384D83
oklch(43% 0.093 266.5)
-
Step 900
900
#304068
oklch(37.8% 0.072 266.5)
-
Step 950
950
#1C263D
oklch(27.1% 0.045 265.6)
#384D83 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) | #375285 | 0.014 |
| Deuteranopia (no green cones) | #2D4C82 | 0.014 |
| Tritanopia (no blue cones) | #0B5961 | 0.085 |
| Achromatopsia (no color) | #4F4F4F | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384D83
#384D83
oklch(43% 0.093 266.5)
- #654C00
#654C00
oklch(43.1% 0.088 86.8)
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 #384D83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.026
- Light Navy #155084 ΔE 0.032
- Twilight #4E518B ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.037
- Cobalt #1E488F ΔE 0.039
- Dusk #4E5481 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.044
Use #384D83 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.