#384E71
Closest named color: YInMn Blue (#415A77). oklch(42.2% 0.065 259.4), rgb(56, 78, 113).
Aa
White text reads best on this color (8.41:1).
About this color
#384E71 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.065 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.040 away. White text reads best on it, at 8.41:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #384E71 |
| RGB | rgb(56, 78, 113) |
| HSL | hsl(217, 34%, 33%) |
| OKLCH | oklch(42.2% 0.065 259.4) |
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 #384E71 | 8.41:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #384E71 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #384E71 text on white | 8.41:1 | AAA | Lc 88.9 | Fine for body text |
| #384E71 text on black | 2.49:1 | Fails | Lc -13.3 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2DA
oklch(81% 0.038 258.4)
-
Step 400
400
#8AA2C7
oklch(70.7% 0.061 258.9)
-
Step 500
500
#6D8BB9
oklch(63.2% 0.078 258.8)
-
Step 600
600
#5574A5
oklch(55.6% 0.085 259.3)
-
Step 700
700
#46618D
oklch(49.1% 0.078 259.9)
-
Step 800
800 (this color)
#384E71
oklch(42.2% 0.065 259.4)
-
Step 900
900
#31425D
oklch(37.7% 0.052 259.4)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#384E71 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) | #415073 | 0.015 |
| Deuteranopia (no green cones) | #3A4B70 | 0.009 |
| Tritanopia (no blue cones) | #20565A | 0.059 |
| Achromatopsia (no color) | #4D4D4D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #384E71
#384E71
oklch(42.2% 0.065 259.4)
- #604921
#604921
oklch(42.1% 0.064 79.3)
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 #384E71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.040
- Light Navy #155084 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.045
- Dusk #4E5481 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.047
- Dusk Blue #26538D ΔE 0.047
- Dusty Grape #545775 ΔE 0.051
Use #384E71 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.