#394881
Closest named color: Cobalt (#1E488F). oklch(41.8% 0.097 270.6), rgb(57, 72, 129).
Aa
White text reads best on this color (8.68:1).
About this color
#394881 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.097 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.036 away. White text reads best on it, at 8.68:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #394881 |
| RGB | rgb(57, 72, 129) |
| HSL | hsl(228, 39%, 36%) |
| OKLCH | oklch(41.8% 0.097 270.6) |
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 #394881 | 8.68:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #394881 | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #394881 text on white | 8.68:1 | AAA | Lc 89.6 | Fine for body text |
| #394881 text on black | 2.41:1 | Fails | Lc -12.6 | 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B3BFE6
oklch(80.8% 0.057 271.7)
-
Step 400
400
#8B9EDA
oklch(70.7% 0.091 270.5)
-
Step 500
500
#6F85CF
oklch(63.1% 0.115 270.3)
-
Step 600
600
#586DBC
oklch(55.6% 0.125 270.7)
-
Step 700
700
#485BA3
oklch(49.2% 0.117 270.5)
-
Step 800
800 (this color)
#394881
oklch(41.8% 0.097 270.6)
-
Step 900
900
#333F6A
oklch(37.9% 0.075 270.7)
-
Step 950
950
#1E253E
oklch(27.1% 0.048 271.1)
#394881 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) | #304F83 | 0.021 |
| Deuteranopia (no green cones) | #284880 | 0.021 |
| Tritanopia (no blue cones) | #14545E | 0.086 |
| Achromatopsia (no color) | #4B4B4B | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394881
#394881
oklch(41.8% 0.097 270.6)
- #5E4A00
#5E4A00
oklch(41.8% 0.085 90.9)
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 #394881, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.036
- Dusk Blue #26538D ΔE 0.037
- Light Navy #155084 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.041
- Twilight #4E518B ΔE 0.044
- Blueberry #464196 ΔE 0.045
- Dusk #4E5481 ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.049
Use #394881 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.