#384A89
Closest named color: Dusk Blue (#26538D). oklch(42.7% 0.107 269.5), rgb(56, 74, 137).
Aa
White text reads best on this color (8.37:1).
About this color
#384A89 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.107 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.029 away. White text reads best on it, at 8.37:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #384A89 |
| RGB | rgb(56, 74, 137) |
| HSL | hsl(227, 42%, 38%) |
| OKLCH | oklch(42.7% 0.107 269.5) |
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 #384A89 | 8.37:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #384A89 | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #384A89 text on white | 8.37:1 | AAA | Lc 88.7 | Fine for body text |
| #384A89 text on black | 2.50:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0C0EA
oklch(81% 0.062 268.6)
-
Step 400
400
#889EDF
oklch(70.8% 0.099 269.4)
-
Step 500
500
#6B84D6
oklch(63% 0.127 269.7)
-
Step 600
600
#536CC4
oklch(55.5% 0.139 269.5)
-
Step 700
700
#445AA9
oklch(49.1% 0.129 269.5)
-
Step 800
800 (this color)
#384A89
oklch(42.7% 0.107 269.5)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#384A89 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) | #2E518B | 0.021 |
| Deuteranopia (no green cones) | #234A88 | 0.023 |
| Tritanopia (no blue cones) | #005863 | 0.095 |
| Achromatopsia (no color) | #4E4E4E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384A89
#384A89
oklch(42.7% 0.107 269.5)
- #624C00
#624C00
oklch(42.8% 0.087 89.5)
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 #384A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.029
- Cobalt #1E488F ΔE 0.031
- Light Navy #155084 ΔE 0.037
- Blueberry #464196 ΔE 0.038
- Twilight #4E518B ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.047
- Dusk #4E5481 ΔE 0.048
Use #384A89 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.