#406391
Closest named color: Denim (#3B638C). oklch(49.4% 0.085 255.7), rgb(64, 99, 145).
Aa
White text reads best on this color (6.15:1).
About this color
#406391 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.085 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.010 away. White text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #406391 |
| RGB | rgb(64, 99, 145) |
| HSL | hsl(214, 39%, 41%) |
| OKLCH | oklch(49.4% 0.085 255.7) |
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 #406391 | 6.15:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #406391 | 3.41:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #406391 text on white | 6.15:1 | AA | Lc 80.6 | Fine for body text |
| #406391 text on black | 3.41:1 | AA large text | Lc -21.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B0C2DB
oklch(80.8% 0.041 256.6)
-
Step 400
400
#86A3C9
oklch(70.7% 0.065 255.3)
-
Step 500
500
#678CBC
oklch(63.2% 0.084 255.2)
-
Step 600
600
#4E75A8
oklch(55.6% 0.091 255.5)
-
Step 700
700 (this color)
#406391
oklch(49.4% 0.085 255.7)
-
Step 800
800
#345075
oklch(42.6% 0.071 255.8)
-
Step 900
900
#2E435E
oklch(37.8% 0.054 255.1)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#406391 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) | #506693 | 0.023 |
| Deuteranopia (no green cones) | #465E90 | 0.015 |
| Tritanopia (no blue cones) | #0D6D73 | 0.075 |
| Achromatopsia (no color) | #616161 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406391
#406391
oklch(49.4% 0.085 255.7)
- #7D5A23
#7D5A23
oklch(49.4% 0.084 75.6)
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 #406391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.010
- Dusky Blue #475F94 ΔE 0.015
- Denim Blue #3B5B92 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.037
- Peacock Blue #016795 ΔE 0.038
- Muted Blue #3B719F ΔE 0.042
- YInMn Blue #415A77 ΔE 0.045
- Dusk #4E5481 ΔE 0.046
Use #406391 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.