#3A495D
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.039 255.7), rgb(58, 73, 93).
Aa
White text reads best on this color (9.16:1).
About this color
#3A495D is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.039 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 9.16:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #3A495D |
| RGB | rgb(58, 73, 93) |
| HSL | hsl(214, 23%, 30%) |
| OKLCH | oklch(40.1% 0.039 255.7) |
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 #3A495D | 9.16:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #3A495D | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #3A495D text on white | 9.16:1 | AAA | Lc 91.1 | Preferred for body text |
| #3A495D text on black | 2.29:1 | Fails | Lc -11.2 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B5C2D4
oklch(81% 0.029 256.5)
-
Step 400
400
#8EA2BE
oklch(70.6% 0.047 256.8)
-
Step 500
500
#728BAE
oklch(63% 0.06 256.8)
-
Step 600
600
#5A7599
oklch(55.6% 0.065 255.8)
-
Step 700
700
#4A6283
oklch(49.1% 0.061 256.5)
-
Step 800
800
#3D506A
oklch(42.7% 0.05 256.4)
-
Step 900
900 (this color)
#3A495D
oklch(40.1% 0.039 255.7)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#3A495D 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) | #424A5E | 0.013 |
| Deuteranopia (no green cones) | #3E465D | 0.011 |
| Tritanopia (no blue cones) | #2F4D50 | 0.033 |
| Achromatopsia (no color) | #484848 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A495D
#3A495D
oklch(40.1% 0.039 255.7)
- #544530
#544530
oklch(40% 0.039 75.6)
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 #3A495D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Charcoal #264653 ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.046
- Deep Teal #00555A ΔE 0.057
- Dark Teal #014D4E ΔE 0.059
- Onyx #343A40 ΔE 0.061
- YInMn Blue #415A77 ΔE 0.062
Use #3A495D 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.