#394477
Closest named color: Twilight Blue (#0A437A). oklch(40.3% 0.087 272.8), rgb(57, 68, 119).
Aa
White text reads best on this color (9.26:1).
About this color
#394477 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.087 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.046 away. White text reads best on it, at 9.26:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #394477 |
| RGB | rgb(57, 68, 119) |
| HSL | hsl(229, 35%, 35%) |
| OKLCH | oklch(40.3% 0.087 272.8) |
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 #394477 | 9.26:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #394477 | 2.26:1 | Fails | Lc 12.7 | Not readable |
| #394477 text on white | 9.26:1 | AAA | Lc 91.3 | Preferred for body text |
| #394477 text on black | 2.26:1 | Fails | Lc -11.1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B5BFE2
oklch(80.8% 0.051 272.7)
-
Step 400
400
#8F9ED4
oklch(70.8% 0.081 272.2)
-
Step 500
500
#7485C8
oklch(63.1% 0.103 272.3)
-
Step 600
600
#5D6DB5
oklch(55.5% 0.113 272.7)
-
Step 700
700
#4D5B9C
oklch(49.1% 0.105 272.8)
-
Step 800
800 (this color)
#394477
oklch(40.3% 0.087 272.8)
-
Step 900
900
#363F66
oklch(37.8% 0.068 272.9)
-
Step 950
950
#1F253B
oklch(27% 0.042 271.7)
#394477 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) | #304A79 | 0.019 |
| Deuteranopia (no green cones) | #2A4576 | 0.019 |
| Tritanopia (no blue cones) | #1F4F57 | 0.078 |
| Achromatopsia (no color) | #474747 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394477
#394477
oklch(40.3% 0.087 272.8)
- #584700
#584700
oklch(40.4% 0.083 93.2)
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 #394477, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.046
- Light Navy #155084 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.046
- Cobalt #1E488F ΔE 0.047
- Dusk Blue #26538D ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.056
- Blueberry #464196 ΔE 0.057
- Deep Sea Blue #015482 ΔE 0.057
Use #394477 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.