#394063
Closest named color: Dark Grey Blue (#29465B). oklch(38.1% 0.061 274.5), rgb(57, 64, 99).
Aa
White text reads best on this color (10.05:1).
About this color
#394063 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.061 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 10.05:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #394063 |
| RGB | rgb(57, 64, 99) |
| HSL | hsl(230, 27%, 31%) |
| OKLCH | oklch(38.1% 0.061 274.5) |
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 #394063 | 10.05:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #394063 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #394063 text on white | 10.05:1 | AAA | Lc 93.3 | Preferred for body text |
| #394063 text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B7BFDF
oklch(80.9% 0.046 274.3)
-
Step 400
400
#939ECE
oklch(70.8% 0.071 274.4)
-
Step 500
500
#7885C2
oklch(63.1% 0.093 274.2)
-
Step 600
600
#626EAE
oklch(55.6% 0.1 274.6)
-
Step 700
700
#515C96
oklch(49.2% 0.094 274.3)
-
Step 800
800
#424B79
oklch(42.7% 0.077 274.3)
-
Step 900
900 (this color)
#394063
oklch(38.1% 0.061 274.5)
-
Step 950
950
#212539
oklch(27% 0.038 274.9)
#394063 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) | #344464 | 0.013 |
| Deuteranopia (no green cones) | #314062 | 0.012 |
| Tritanopia (no blue cones) | #2C474D | 0.053 |
| Achromatopsia (no color) | #424242 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394063
#394063
oklch(38.1% 0.061 274.5)
- #4D4219
#4D4219
oklch(38.1% 0.06 94.3)
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 #394063, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Charcoal #264653 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.056
- Twilight Blue #0A437A ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.059
- Onyx #343A40 ΔE 0.061
- Marine Blue #01386A ΔE 0.066
Use #394063 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.