#2F446C
Closest named color: Dark Grey Blue (#29465B). oklch(38.9% 0.073 262.4), rgb(47, 68, 108).
Aa
White text reads best on this color (9.70:1).
About this color
#2F446C is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.073 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 9.70:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #2F446C |
| RGB | rgb(47, 68, 108) |
| HSL | hsl(219, 39%, 30%) |
| OKLCH | oklch(38.9% 0.073 262.4) |
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 #2F446C | 9.70:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #2F446C | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #2F446C text on white | 9.70:1 | AAA | Lc 92.4 | Preferred for body text |
| #2F446C text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#AEC1E5
oklch(80.9% 0.055 263.2)
-
Step 400
400
#83A1D8
oklch(70.7% 0.088 262.2)
-
Step 500
500
#6488CE
oklch(63% 0.114 262.8)
-
Step 600
600
#4B71BA
oklch(55.5% 0.122 262.3)
-
Step 700
700
#3C5EA1
oklch(49% 0.115 262.6)
-
Step 800
800
#324D82
oklch(42.6% 0.094 262.7)
-
Step 900
900 (this color)
#2F446C
oklch(38.9% 0.073 262.4)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#2F446C 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) | #34476E | 0.012 |
| Deuteranopia (no green cones) | #2D426B | 0.007 |
| Tritanopia (no blue cones) | #0E4D53 | 0.066 |
| Achromatopsia (no color) | #444444 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F446C
#2F446C
oklch(38.9% 0.073 262.4)
- #58400C
#58400C
oklch(38.8% 0.073 81.8)
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 #2F446C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Twilight Blue #0A437A ΔE 0.039
- Charcoal #264653 ΔE 0.048
- Light Navy #155084 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.057
- Marine Blue #01386A ΔE 0.059
- Cobalt #1E488F ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.062
Use #2F446C 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.