#405688
Closest named color: Denim Blue (#3B5B92). oklch(45.9% 0.086 265.2), rgb(64, 86, 136).
Aa
White text reads best on this color (7.22:1).
About this color
#405688 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.086 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.019 away. White text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #405688 |
| RGB | rgb(64, 86, 136) |
| HSL | hsl(222, 36%, 39%) |
| OKLCH | oklch(45.9% 0.086 265.2) |
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 #405688 | 7.22:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #405688 | 2.90:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #405688 text on white | 7.22:1 | AAA | Lc 85.0 | Fine for body text |
| #405688 text on black | 2.90:1 | Fails | Lc -17.0 | 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 800.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300
#B1C1E2
oklch(81% 0.05 264.8)
-
Step 400
400
#88A0D4
oklch(70.7% 0.081 265.2)
-
Step 500
500
#6B88C8
oklch(63.1% 0.103 265)
-
Step 600
600
#5371B5
oklch(55.7% 0.112 265)
-
Step 700
700
#435E9C
oklch(49.1% 0.105 265)
-
Step 800
800 (this color)
#405688
oklch(45.9% 0.086 265.2)
-
Step 900
900
#304065
oklch(37.6% 0.067 265.5)
-
Step 950
950
#1C263B
oklch(27% 0.042 264.3)
#405688 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) | #435B8A | 0.016 |
| Deuteranopia (no green cones) | #3A5487 | 0.010 |
| Tritanopia (no blue cones) | #1E6168 | 0.078 |
| Achromatopsia (no color) | #575757 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405688
#405688
oklch(45.9% 0.086 265.2)
- #6E5311
#6E5311
oklch(45.9% 0.087 84.5)
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 #405688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.019
- Dusk #4E5481 ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.022
- Twilight #4E518B ΔE 0.024
- Dusk Blue #26538D ΔE 0.032
- Dusky Blue #475F94 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.034
- Denim #3B638C ΔE 0.037
Use #405688 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.