#404765
Closest named color: Dark Grey Blue (#29465B). oklch(40.5% 0.051 273.8), rgb(64, 71, 101).
Aa
White text reads best on this color (9.10:1).
About this color
#404765 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.051 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.037 away. White text reads best on it, at 9.10:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #404765 |
| RGB | rgb(64, 71, 101) |
| HSL | hsl(229, 22%, 32%) |
| OKLCH | oklch(40.5% 0.051 273.8) |
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 #404765 | 9.10:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #404765 | 2.30:1 | Fails | Lc 13.0 | Not readable |
| #404765 text on white | 9.10:1 | AAA | Lc 90.9 | Preferred for body text |
| #404765 text on black | 2.30:1 | Fails | Lc -11.4 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D9E4
oklch(88.5% 0.016 270)
-
Step 300
300
#BAC0D5
oklch(81% 0.03 273)
-
Step 400
400
#979FBF
oklch(70.7% 0.048 274.1)
-
Step 500
500
#7D87AF
oklch(63% 0.061 273.6)
-
Step 600
600
#67719B
oklch(55.7% 0.066 273.7)
-
Step 700
700
#555E84
oklch(49% 0.062 273.7)
-
Step 800
800 (this color)
#404765
oklch(40.5% 0.051 273.8)
-
Step 900
900
#3B4057
oklch(37.7% 0.04 274.8)
-
Step 950
950
#222633
oklch(27.1% 0.025 271.4)
#404765 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) | #3E4A66 | 0.009 |
| Deuteranopia (no green cones) | #3B4764 | 0.008 |
| Tritanopia (no blue cones) | #364D52 | 0.045 |
| Achromatopsia (no color) | #484848 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404765
#404765
oklch(40.5% 0.051 273.8)
- #524927
#524927
oklch(40.6% 0.052 95)
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 #404765, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.037
- Charcoal #264653 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.057
- YInMn Blue #415A77 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.059
- Dusk #4E5481 ΔE 0.060
- Dusty Grape #545775 ΔE 0.062
- Light Navy #155084 ΔE 0.064
Use #404765 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.