#393A58
Closest named color: Dark Grey Blue (#29465B). oklch(36.1% 0.052 282), rgb(57, 58, 88).
Aa
White text reads best on this color (10.93:1).
About this color
#393A58 is a dark, muted purple. In OKLCH its lightness is 36%, its chroma 0.052 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 10.93:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #393A58 |
| RGB | rgb(57, 58, 88) |
| HSL | hsl(238, 21%, 28%) |
| OKLCH | oklch(36.1% 0.052 282) |
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 #393A58 | 10.93:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #393A58 | 1.92:1 | Fails | Lc 8.6 | Not readable |
| #393A58 text on white | 10.93:1 | AAA | Lc 95.3 | Preferred for body text |
| #393A58 text on black | 1.92:1 | Fails | Lc -7.4 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BCBEDA
oklch(80.9% 0.039 282.2)
-
Step 400
400
#9A9CC7
oklch(70.6% 0.063 282.6)
-
Step 500
500
#8284B9
oklch(63.2% 0.079 282.2)
-
Step 600
600
#6B6DA5
oklch(55.6% 0.086 281.6)
-
Step 700
700
#5A5B8D
oklch(49.2% 0.079 282.2)
-
Step 800
800
#494A72
oklch(42.6% 0.066 282.1)
-
Step 900
900 (this color)
#393A58
oklch(36.1% 0.052 282)
-
Step 950
950
#242536
oklch(27.1% 0.031 281.5)
#393A58 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) | #313E59 | 0.016 |
| Deuteranopia (no green cones) | #303C57 | 0.015 |
| Tritanopia (no blue cones) | #314045 | 0.046 |
| Achromatopsia (no color) | #3D3D3D | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393A58
#393A58
oklch(36.1% 0.052 282)
- #433E1C
#433E1C
oklch(36% 0.052 101.1)
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 #393A58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.043
- Onyx #343A40 ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.045
- Charcoal #264653 ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.051
- Gunmetal #293241 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.058
Use #393A58 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.