#40486F
Closest named color: Dark Grey Blue (#29465B). oklch(41.2% 0.066 274.3), rgb(64, 72, 111).
Aa
White text reads best on this color (8.84:1).
About this color
#40486F is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.066 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.048 away. White text reads best on it, at 8.84:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #40486F |
| RGB | rgb(64, 72, 111) |
| HSL | hsl(230, 27%, 34%) |
| OKLCH | oklch(41.2% 0.066 274.3) |
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 #40486F | 8.84:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #40486F | 2.37:1 | Fails | Lc 13.8 | Not readable |
| #40486F text on white | 8.84:1 | AAA | Lc 90.2 | Preferred for body text |
| #40486F text on black | 2.37:1 | Fails | Lc -12.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E8
oklch(88.4% 0.022 274.7)
-
Step 300
300
#B9BFDA
oklch(80.9% 0.039 275.6)
-
Step 400
400
#949EC8
oklch(70.6% 0.063 274.3)
-
Step 500
500
#7B86BA
oklch(63.1% 0.079 274.7)
-
Step 600
600
#646FA6
oklch(55.6% 0.087 274.6)
-
Step 700
700
#535D8E
oklch(49.1% 0.08 274.3)
-
Step 800
800 (this color)
#40486F
oklch(41.2% 0.066 274.3)
-
Step 900
900
#393F5D
oklch(37.6% 0.052 274.9)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#40486F 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) | #3B4C71 | 0.013 |
| Deuteranopia (no green cones) | #37486E | 0.013 |
| Tritanopia (no blue cones) | #315056 | 0.060 |
| Achromatopsia (no color) | #4A4A4A | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40486F
#40486F
oklch(41.2% 0.066 274.3)
- #574A1C
#574A1C
oklch(41.2% 0.066 93.5)
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 #40486F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.048
- Dusk #4E5481 ΔE 0.049
- Light Navy #155084 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.054
- Twilight #4E518B ΔE 0.055
- Dusty Grape #545775 ΔE 0.057
- Dusk Blue #26538D ΔE 0.057
- Deep Sea Blue #015482 ΔE 0.060
Use #40486F 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.