#2B3445
Closest named color: Gunmetal (#293241). oklch(32.4% 0.033 262.9), rgb(43, 52, 69).
Aa
White text reads best on this color (12.50:1).
About this color
#2B3445 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.033 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.009 away. White text reads best on it, at 12.50:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.67:1 |
| White text | 12.50:1 |
Values
| HEX | #2B3445 |
| RGB | rgb(43, 52, 69) |
| HSL | hsl(219, 23%, 22%) |
| OKLCH | oklch(32.4% 0.033 262.9) |
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 #2B3445 | 12.50:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2B3445 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #2B3445 text on white | 12.50:1 | AAA | Lc 98.4 | Preferred for body text |
| #2B3445 text on black | 1.67:1 | 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E2
oklch(88.4% 0.013 262.4)
-
Step 300
300
#B8C1D1
oklch(80.9% 0.025 262.1)
-
Step 400
400
#94A1BA
oklch(70.7% 0.039 263.5)
-
Step 500
500
#798AA9
oklch(63.1% 0.051 262.4)
-
Step 600
600
#627494
oklch(55.7% 0.054 261.8)
-
Step 700
700
#51617E
oklch(49.1% 0.051 262.1)
-
Step 800
800
#434F67
oklch(42.7% 0.043 264)
-
Step 900
900 (this color)
#2B3445
oklch(32.4% 0.033 262.9)
-
Step 950
950
#212731
oklch(27.1% 0.021 260.6)
#2B3445 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) | #2E3546 | 0.006 |
| Deuteranopia (no green cones) | #2C3345 | 0.004 |
| Tritanopia (no blue cones) | #23373A | 0.028 |
| Achromatopsia (no color) | #343434 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B3445
#2B3445
oklch(32.4% 0.033 262.9)
- #3C3220
#3C3220
oklch(32.3% 0.033 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 #2B3445, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.009
- Space Cadet #2B2D42 ΔE 0.022
- Dark Blue Grey #1F3B4D ΔE 0.026
- Onyx #343A40 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.035
- Midnight Green #073B4C ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.056
Use #2B3445 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.