#405668
Closest named color: YInMn Blue (#415A77). oklch(44.2% 0.04 243.5), rgb(64, 86, 104).
Aa
White text reads best on this color (7.63:1).
About this color
#405668 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.040 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.025 away. White text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.74:1 |
| White text | 7.63:1 |
Values
| HEX | #405668 |
| RGB | rgb(64, 86, 104) |
| HSL | hsl(207, 24%, 33%) |
| OKLCH | oklch(44.2% 0.04 243.5) |
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 #405668 | 7.63:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #405668 | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #405668 text on white | 7.63:1 | AAA | Lc 86.5 | Fine for body text |
| #405668 text on black | 2.74:1 | Fails | Lc -15.6 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE1
oklch(88.4% 0.013 244.3)
-
Step 300
300
#B4C3CF
oklch(80.9% 0.024 242)
-
Step 400
400
#8DA4B7
oklch(70.7% 0.038 243.2)
-
Step 500
500
#718DA5
oklch(63.1% 0.048 244.5)
-
Step 600
600
#597790
oklch(55.6% 0.052 244.1)
-
Step 700
700
#49647A
oklch(49.1% 0.048 243.5)
-
Step 800
800 (this color)
#405668
oklch(44.2% 0.04 243.5)
-
Step 900
900
#334451
oklch(37.7% 0.031 241.6)
-
Step 950
950
#1E2830
oklch(27.1% 0.02 242.7)
#405668 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) | #4F5669 | 0.021 |
| Deuteranopia (no green cones) | #495268 | 0.017 |
| Tritanopia (no blue cones) | #325A5C | 0.032 |
| Achromatopsia (no color) | #535353 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405668
#405668
oklch(44.2% 0.04 243.5)
- #634F3C
#634F3C
oklch(44.3% 0.04 65)
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 #405668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.025
- Dusty Grape #545775 ΔE 0.037
- Petrol #005F6A ΔE 0.049
- Dusk #4E5481 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.053
- Slate #516572 ΔE 0.054
- Deep Teal #00555A ΔE 0.058
Use #405668 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.