#393D61
Closest named color: Dark Grey Blue (#29465B). oklch(37.3% 0.062 278.1), rgb(57, 61, 97).
Aa
White text reads best on this color (10.42:1).
About this color
#393D61 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.062 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.038 away. White text reads best on it, at 10.42:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #393D61 |
| RGB | rgb(57, 61, 97) |
| HSL | hsl(234, 26%, 30%) |
| OKLCH | oklch(37.3% 0.062 278.1) |
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 #393D61 | 10.42:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #393D61 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #393D61 text on white | 10.42:1 | AAA | Lc 94.2 | Preferred for body text |
| #393D61 text on black | 2.01:1 | Fails | Lc -8.4 | 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
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#B9BEDF
oklch(80.8% 0.047 278.5)
-
Step 400
400
#959CCF
oklch(70.6% 0.075 278.2)
-
Step 500
500
#7C84C2
oklch(63.2% 0.094 277.7)
-
Step 600
600
#666CAF
oklch(55.6% 0.104 278.6)
-
Step 700
700
#545A96
oklch(49% 0.096 277.9)
-
Step 800
800
#454A7A
oklch(42.7% 0.079 277.9)
-
Step 900
900 (this color)
#393D61
oklch(37.3% 0.062 278.1)
-
Step 950
950
#222439
oklch(26.9% 0.039 279.2)
#393D61 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) | #314162 | 0.016 |
| Deuteranopia (no green cones) | #2F3E60 | 0.015 |
| Tritanopia (no blue cones) | #2D444A | 0.055 |
| Achromatopsia (no color) | #404040 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393D61
#393D61
oklch(37.3% 0.062 278.1)
- #494116
#494116
oklch(37.4% 0.062 98.8)
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 #393D61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.038
- Charcoal #264653 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.052
- Onyx #343A40 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.060
- Marine Blue #01386A ΔE 0.063
Use #393D61 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.