#394384
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.108 274), rgb(57, 67, 132).
Aa
White text reads best on this color (9.09:1).
About this color
#394384 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.108 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.31:1 |
| White text | 9.09:1 |
Values
| HEX | #394384 |
| RGB | rgb(57, 67, 132) |
| HSL | hsl(232, 40%, 37%) |
| OKLCH | oklch(40.9% 0.108 274) |
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 #394384 | 9.09:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #394384 | 2.31:1 | Fails | Lc 13.2 | Not readable |
| #394384 text on white | 9.09:1 | AAA | Lc 90.7 | Preferred for body text |
| #394384 text on black | 2.31:1 | Fails | Lc -11.6 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B3BEEA
oklch(80.8% 0.063 273.9)
-
Step 400
400
#8D9CE0
oklch(70.8% 0.101 274)
-
Step 500
500
#7282D7
oklch(63.1% 0.129 274.1)
-
Step 600
600
#5B6AC5
oklch(55.7% 0.141 273.9)
-
Step 700
700
#4B58AA
oklch(49.2% 0.131 273.8)
-
Step 800
800 (this color)
#394384
oklch(40.9% 0.108 274)
-
Step 900
900
#343D6E
oklch(37.7% 0.084 273.8)
-
Step 950
950
#1E2440
oklch(27% 0.053 273.2)
#394384 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) | #244C86 | 0.032 |
| Deuteranopia (no green cones) | #1B4583 | 0.033 |
| Tritanopia (no blue cones) | #11515D | 0.095 |
| Achromatopsia (no color) | #484848 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394384
#394384
oklch(40.9% 0.108 274)
- #594900
#594900
oklch(41% 0.084 94.6)
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 #394384, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Cobalt #1E488F ΔE 0.034
- Blueberry #464196 ΔE 0.037
- Dusk Blue #26538D ΔE 0.047
- Light Navy #155084 ΔE 0.047
- Twilight Blue #0A437A ΔE 0.049
- Twilight #4E518B ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.060
Use #394384 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.