#3A4E6A
Closest named color: YInMn Blue (#415A77). oklch(42% 0.053 256.9), rgb(58, 78, 106).
Aa
White text reads best on this color (8.47:1).
About this color
#3A4E6A is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.053 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.041 away. White text reads best on it, at 8.47:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #3A4E6A |
| RGB | rgb(58, 78, 106) |
| HSL | hsl(215, 29%, 32%) |
| OKLCH | oklch(42% 0.053 256.9) |
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 #3A4E6A | 8.47:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #3A4E6A | 2.47:1 | Fails | Lc 14.9 | Not readable |
| #3A4E6A text on white | 8.47:1 | AAA | Lc 89.1 | Fine for body text |
| #3A4E6A text on black | 2.47:1 | Fails | Lc -13.1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8DA2C0
oklch(70.6% 0.05 257.3)
-
Step 500
500
#718BB0
oklch(63.1% 0.064 257.2)
-
Step 600
600
#59759C
oklch(55.6% 0.069 256.8)
-
Step 700
700
#496285
oklch(49.1% 0.064 256.9)
-
Step 800
800 (this color)
#3A4E6A
oklch(42% 0.053 256.9)
-
Step 900
900
#334258
oklch(37.6% 0.043 257.8)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#3A4E6A 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) | #444F6B | 0.015 |
| Deuteranopia (no green cones) | #3E4B69 | 0.010 |
| Tritanopia (no blue cones) | #285458 | 0.046 |
| Achromatopsia (no color) | #4D4D4D | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A4E6A
#3A4E6A
oklch(42% 0.053 256.9)
- #5D492A
#5D492A
oklch(41.9% 0.053 77.5)
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 #3A4E6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.041
- Dusk #4E5481 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dusty Grape #545775 ΔE 0.051
- Charcoal #264653 ΔE 0.052
- Light Navy #155084 ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.053
Use #3A4E6A 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.