#3A486E
Closest named color: Dark Grey Blue (#29465B). oklch(40.7% 0.067 268), rgb(58, 72, 110).
Aa
White text reads best on this color (9.00:1).
About this color
#3A486E is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.067 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 9.00:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #3A486E |
| RGB | rgb(58, 72, 110) |
| HSL | hsl(224, 31%, 33%) |
| OKLCH | oklch(40.7% 0.067 268) |
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 #3A486E | 9.00:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #3A486E | 2.33:1 | Fails | Lc 13.4 | Not readable |
| #3A486E text on white | 9.00:1 | AAA | Lc 90.6 | Preferred for body text |
| #3A486E text on black | 2.33:1 | Fails | Lc -11.7 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B6C0DB
oklch(80.9% 0.04 269.4)
-
Step 400
400
#90A0C8
oklch(70.7% 0.061 267.8)
-
Step 500
500
#7588BA
oklch(63.1% 0.079 268.1)
-
Step 600
600
#5D71A6
oklch(55.5% 0.086 267.8)
-
Step 700
700
#4D5F8F
oklch(49.2% 0.08 267.7)
-
Step 800
800 (this color)
#3A486E
oklch(40.7% 0.067 268)
-
Step 900
900
#36415E
oklch(37.9% 0.052 267.9)
-
Step 950
950
#1F2637
oklch(27% 0.033 266.9)
#3A486E 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) | #3A4B70 | 0.009 |
| Deuteranopia (no green cones) | #35476D | 0.008 |
| Tritanopia (no blue cones) | #275056 | 0.059 |
| Achromatopsia (no color) | #494949 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A486E
#3A486E
oklch(40.7% 0.067 268)
- #59471A
#59471A
oklch(40.7% 0.066 87.1)
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 #3A486E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Light Navy #155084 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.055
- Dusk #4E5481 ΔE 0.055
- Charcoal #264653 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.056
- Dusk Blue #26538D ΔE 0.056
Use #3A486E 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.