#393A63
Closest named color: Dark Grey Blue (#29465B). oklch(36.8% 0.07 281.3), rgb(57, 58, 99).
Aa
White text reads best on this color (10.71:1).
About this color
#393A63 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.070 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.047 away. White text reads best on it, at 10.71:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.95:1 |
| White text | 10.71:1 |
Values
| HEX | #393A63 |
| RGB | rgb(57, 58, 99) |
| HSL | hsl(239, 27%, 31%) |
| OKLCH | oklch(36.8% 0.07 281.3) |
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 #393A63 | 10.71:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #393A63 | 1.95:1 | Fails | Lc 9.1 | Not readable |
| #393A63 text on white | 10.71:1 | AAA | Lc 94.8 | Preferred for body text |
| #393A63 text on black | 1.95:1 | Fails | Lc -7.8 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#BABDE2
oklch(80.8% 0.052 281.5)
-
Step 400
400
#979BD4
oklch(70.7% 0.083 280.9)
-
Step 500
500
#7E81C9
oklch(63.1% 0.108 281)
-
Step 600
600
#6869B5
oklch(55.5% 0.117 281.3)
-
Step 700
700
#57589C
oklch(49.2% 0.107 281.1)
-
Step 800
800
#47487F
oklch(42.8% 0.09 281.1)
-
Step 900
900 (this color)
#393A63
oklch(36.8% 0.07 281.3)
-
Step 950
950
#23243C
oklch(27.1% 0.044 281.2)
#393A63 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) | #2C3F65 | 0.022 |
| Deuteranopia (no green cones) | #2A3C62 | 0.022 |
| Tritanopia (no blue cones) | #2D4249 | 0.061 |
| Achromatopsia (no color) | #3E3E3E | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393A63
#393A63
oklch(36.8% 0.07 281.3)
- #47400B
#47400B
oklch(36.8% 0.07 101.5)
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 #393A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.056
- Charcoal #264653 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.059
- Marine Blue #01386A ΔE 0.060
- Onyx #343A40 ΔE 0.063
- Gunmetal #293241 ΔE 0.068
Use #393A63 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.