#3A426B
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.07 274.3), rgb(58, 66, 107).
Aa
White text reads best on this color (9.67:1).
About this color
#3A426B is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.070 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 9.67:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #3A426B |
| RGB | rgb(58, 66, 107) |
| HSL | hsl(230, 30%, 32%) |
| OKLCH | oklch(39.2% 0.07 274.3) |
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 #3A426B | 9.67:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #3A426B | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #3A426B text on white | 9.67:1 | AAA | Lc 92.3 | Preferred for body text |
| #3A426B text on black | 2.17:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B6BFE3
oklch(81% 0.052 274.2)
-
Step 400
400
#909DD6
oklch(70.7% 0.085 274.1)
-
Step 500
500
#7684CB
oklch(63.2% 0.108 274.4)
-
Step 600
600
#5F6CB7
oklch(55.5% 0.117 274.5)
-
Step 700
700
#4E5A9E
oklch(49% 0.109 274.1)
-
Step 800
800
#404A80
oklch(42.7% 0.09 274)
-
Step 900
900 (this color)
#3A426B
oklch(39.2% 0.07 274.3)
-
Step 950
950
#20253C
oklch(27.1% 0.043 273.8)
#3A426B 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) | #33476D | 0.016 |
| Deuteranopia (no green cones) | #2F436A | 0.016 |
| Tritanopia (no blue cones) | #294A51 | 0.062 |
| Achromatopsia (no color) | #444444 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A426B
#3A426B
oklch(39.2% 0.07 274.3)
- #524411
#524411
oklch(39.1% 0.07 93.2)
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 #3A426B, 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
- Twilight Blue #0A437A ΔE 0.051
- Charcoal #264653 ΔE 0.055
- Light Navy #155084 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.062
- Cobalt #1E488F ΔE 0.065
- Deep Sea Blue #015482 ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.067
Use #3A426B 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.