#394665
Closest named color: Dark Grey Blue (#29465B). oklch(39.7% 0.055 266.5), rgb(57, 70, 101).
Aa
White text reads best on this color (9.38:1).
About this color
#394665 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.055 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #394665 |
| RGB | rgb(57, 70, 101) |
| HSL | hsl(222, 28%, 31%) |
| OKLCH | oklch(39.7% 0.055 266.5) |
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 #394665 | 9.38:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #394665 | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #394665 text on white | 9.38:1 | AAA | Lc 91.6 | Preferred for body text |
| #394665 text on black | 2.23:1 | Fails | Lc -10.7 | 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 900.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B4C1DC
oklch(81% 0.041 265)
-
Step 400
400
#8DA0CB
oklch(70.7% 0.067 266.1)
-
Step 500
500
#7288BE
oklch(63.1% 0.086 266.9)
-
Step 600
600
#5A71AA
oklch(55.5% 0.093 266.7)
-
Step 700
700
#4A5F92
oklch(49.2% 0.086 266.3)
-
Step 800
800
#3D4E76
oklch(42.8% 0.07 266)
-
Step 900
900 (this color)
#394665
oklch(39.7% 0.055 266.5)
-
Step 950
950
#1E2638
oklch(27% 0.036 265.6)
#394665 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) | #3B4966 | 0.010 |
| Deuteranopia (no green cones) | #374564 | 0.005 |
| Tritanopia (no blue cones) | #2A4C51 | 0.049 |
| Achromatopsia (no color) | #464646 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394665
#394665
oklch(39.7% 0.055 266.5)
- #544522
#544522
oklch(39.8% 0.055 86.6)
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 #394665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Charcoal #264653 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.058
- Light Navy #155084 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.064
- Deep Sea Blue #015482 ΔE 0.064
Use #394665 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.