#404465
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.056 278.2), rgb(64, 68, 101).
Aa
White text reads best on this color (9.40:1).
About this color
#404465 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.056 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.038 away. White text reads best on it, at 9.40:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #404465 |
| RGB | rgb(64, 68, 101) |
| HSL | hsl(234, 22%, 32%) |
| OKLCH | oklch(39.8% 0.056 278.2) |
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 #404465 | 9.40:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #404465 | 2.23:1 | Fails | Lc 12.2 | Not readable |
| #404465 text on white | 9.40:1 | AAA | Lc 91.7 | Preferred for body text |
| #404465 text on black | 2.23:1 | Fails | Lc -10.7 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E9
oklch(88.5% 0.023 277.9)
-
Step 300
300
#BABFDC
oklch(81% 0.041 277.7)
-
Step 400
400
#969DCB
oklch(70.7% 0.068 277.8)
-
Step 500
500
#7D84BD
oklch(63% 0.086 278.2)
-
Step 600
600
#676DA9
oklch(55.5% 0.093 278.5)
-
Step 700
700
#565B91
oklch(49.1% 0.086 278.7)
-
Step 800
800
#464B76
oklch(42.8% 0.071 277.9)
-
Step 900
900 (this color)
#404465
oklch(39.8% 0.056 278.2)
-
Step 950
950
#222538
oklch(27.1% 0.036 276.8)
#404465 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) | #3A4866 | 0.014 |
| Deuteranopia (no green cones) | #384564 | 0.012 |
| Tritanopia (no blue cones) | #364A50 | 0.049 |
| Achromatopsia (no color) | #464646 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404465
#404465
oklch(39.8% 0.056 278.2)
- #4F4722
#4F4722
oklch(39.7% 0.056 97.4)
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 #404465, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.038
- Charcoal #264653 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.063
- Twilight Blue #0A437A ΔE 0.065
- Dusk #4E5481 ΔE 0.065
- Light Navy #155084 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.067
Use #404465 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.