#2F344D
Closest named color: Gunmetal (#293241). oklch(33.2% 0.045 275), rgb(47, 52, 77).
Aa
White text reads best on this color (12.21:1).
About this color
#2F344D is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.045 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.024 away. White text reads best on it, at 12.21:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.71:1 |
| White text | 12.21:1 |
Values
| HEX | #2F344D |
| RGB | rgb(47, 52, 77) |
| HSL | hsl(230, 24%, 24%) |
| OKLCH | oklch(33.2% 0.045 275) |
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 #2F344D | 12.21:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #2F344D | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #2F344D text on white | 12.21:1 | AAA | Lc 97.9 | Preferred for body text |
| #2F344D text on black | 1.71:1 | Fails | Lc 0.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#BABFD7
oklch(80.8% 0.034 276.3)
-
Step 400
400
#969FC3
oklch(70.8% 0.054 274)
-
Step 500
500
#7D86B3
oklch(63% 0.069 275.5)
-
Step 600
600
#66709F
oklch(55.6% 0.074 274.5)
-
Step 700
700
#555D88
oklch(49% 0.07 275.4)
-
Step 800
800
#464C6F
oklch(42.6% 0.059 276.2)
-
Step 900
900 (this color)
#2F344D
oklch(33.2% 0.045 275)
-
Step 950
950
#222534
oklch(26.8% 0.028 275.6)
#2F344D 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) | #2C374E | 0.010 |
| Deuteranopia (no green cones) | #2A344C | 0.008 |
| Tritanopia (no blue cones) | #26393D | 0.040 |
| Achromatopsia (no color) | #353535 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F344D
#2F344D
oklch(33.2% 0.045 275)
- #3D361A
#3D361A
oklch(33.3% 0.045 95.7)
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 #2F344D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.024
- Space Cadet #2B2D42 ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.030
- Onyx #343A40 ΔE 0.036
- Midnight Green #073B4C ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.056
- Charcoal #264653 ΔE 0.057
Use #2F344D 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.