#393BA5
Closest named color: Sapphire (#2138AB). oklch(42% 0.166 275.7), rgb(57, 59, 165).
Aa
White text reads best on this color (8.96:1).
About this color
#393BA5 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.166 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.033 away. White text reads best on it, at 8.96:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #393BA5 |
| RGB | rgb(57, 59, 165) |
| HSL | hsl(239, 49%, 44%) |
| OKLCH | oklch(42% 0.166 275.7) |
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 #393BA5 | 8.96:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #393BA5 | 2.34:1 | Fails | Lc 13.9 | Not readable |
| #393BA5 text on white | 8.96:1 | AAA | Lc 90.0 | Preferred for body text |
| #393BA5 text on black | 2.34:1 | Fails | Lc -12.2 | 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 800.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CFD7FE
oklch(88.6% 0.054 276.1)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8796FF
oklch(70.7% 0.154 275.6)
-
Step 500
500
#6C77FF
oklch(63.2% 0.199 275.6)
-
Step 600
600
#575BEE
oklch(55.6% 0.216 275.6)
-
Step 700
700
#4849CF
oklch(49.1% 0.201 275.7)
-
Step 800
800 (this color)
#393BA5
oklch(42% 0.166 275.7)
-
Step 900
900
#313685
oklch(37.7% 0.13 275.5)
-
Step 950
950
#1C204E
oklch(26.9% 0.084 275.5)
#393BA5 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) | #004EA8 | 0.056 |
| Deuteranopia (no green cones) | #0045A3 | 0.047 |
| Tritanopia (no blue cones) | #00566A | 0.138 |
| Achromatopsia (no color) | #494949 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #393BA5
#393BA5
oklch(42% 0.166 275.7)
- #5B4C00
#5B4C00
oklch(41.9% 0.086 96)
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 #393BA5, closest first.
No curated palette has a color within ΔE 0.04 of #393BA5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.033
- Blueberry #464196 ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.049
- Cobalt #1E488F ΔE 0.056
- Majorelle Blue #3F37C9 ΔE 0.058
- Indigo Blue #3A18B1 ΔE 0.060
- Blue Blue #2242C7 ΔE 0.061
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
Use #393BA5 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.