#3A486B
Closest named color: Dark Grey Blue (#29465B). oklch(40.6% 0.062 267), rgb(58, 72, 107).
Aa
White text reads best on this color (9.05:1).
About this color
#3A486B is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.062 and its hue 267°. 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 9.05:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #3A486B |
| RGB | rgb(58, 72, 107) |
| HSL | hsl(223, 30%, 32%) |
| OKLCH | oklch(40.6% 0.062 267) |
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 #3A486B | 9.05:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #3A486B | 2.31:1 | Fails | Lc 13.2 | Not readable |
| #3A486B text on white | 9.05:1 | AAA | Lc 90.8 | Preferred for body text |
| #3A486B text on black | 2.31:1 | Fails | Lc -11.6 | 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
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E7
oklch(88.5% 0.02 267.3)
-
Step 300
300
#B6C1D9
oklch(81% 0.036 265.9)
-
Step 400
400
#90A0C6
oklch(70.7% 0.059 267)
-
Step 500
500
#7588B7
oklch(63% 0.075 267.3)
-
Step 600
600
#5E72A3
oklch(55.7% 0.08 266.8)
-
Step 700
700
#4D5F8C
oklch(49% 0.076 267)
-
Step 800
800 (this color)
#3A486B
oklch(40.6% 0.062 267)
-
Step 900
900
#36415C
oklch(37.8% 0.049 267)
-
Step 950
950
#202636
oklch(27% 0.031 268.4)
#3A486B 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) | #3C4B6C | 0.010 |
| Deuteranopia (no green cones) | #37476A | 0.006 |
| Tritanopia (no blue cones) | #294F54 | 0.056 |
| Achromatopsia (no color) | #494949 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A486B
#3A486B
oklch(40.6% 0.062 267)
- #58471E
#58471E
oklch(40.6% 0.062 86.8)
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 #3A486B, 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 0.051
- Light Navy #155084 ΔE 0.052
- Twilight Blue #0A437A ΔE 0.056
- YInMn Blue #415A77 ΔE 0.057
- Deep Sea Blue #015482 ΔE 0.057
- Dusk #4E5481 ΔE 0.057
- Dusk Blue #26538D ΔE 0.060
Use #3A486B 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.