#2A3348
Closest named color: Gunmetal (#293241). oklch(32.2% 0.04 266.3), rgb(42, 51, 72).
Aa
White text reads best on this color (12.60:1).
About this color
#2A3348 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.040 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.013 away. White text reads best on it, at 12.60:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.66:1 |
| White text | 12.60:1 |
Values
| HEX | #2A3348 |
| RGB | rgb(42, 51, 72) |
| HSL | hsl(222, 26%, 22%) |
| OKLCH | oklch(32.2% 0.04 266.3) |
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 #2A3348 | 12.60:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #2A3348 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #2A3348 text on white | 12.60:1 | AAA | Lc 98.6 | Preferred for body text |
| #2A3348 text on black | 1.66:1 | 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 950.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B3C1E0
oklch(81% 0.046 266.1)
-
Step 400
400
#8BA0D0
oklch(70.7% 0.075 266.2)
-
Step 500
500
#6E88C4
oklch(63.1% 0.096 265.8)
-
Step 600
600
#5771B1
oklch(55.7% 0.105 266.3)
-
Step 700
700
#475E98
oklch(49.1% 0.097 266.5)
-
Step 800
800
#3A4D7B
oklch(42.7% 0.08 266.1)
-
Step 900
900
#324063
oklch(37.6% 0.063 266.8)
-
Step 950
950 (this color)
#2A3348
oklch(32.2% 0.04 266.3)
#2A3348 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) | #2C3549 | 0.008 |
| Deuteranopia (no green cones) | #293248 | 0.004 |
| Tritanopia (no blue cones) | #21373A | 0.035 |
| Achromatopsia (no color) | #333333 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A3348
#2A3348
oklch(32.2% 0.04 266.3)
- #3C321B
#3C321B
oklch(32.2% 0.039 86.7)
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 #2A3348, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.020
- Dark Blue Grey #1F3B4D ΔE 0.027
- Prussian Blue #1D3557 ΔE 0.030
- Onyx #343A40 ΔE 0.036
- Midnight Green #073B4C ΔE 0.039
- Oxford Blue #1B263B ΔE 0.053
- Charcoal #264653 ΔE 0.060
Use #2A3348 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.