#2A353F
Closest named color: Gunmetal (#293241). oklch(32.3% 0.023 246), rgb(42, 53, 63).
Aa
White text reads best on this color (12.50:1).
About this color
#2A353F is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.012 away. White text reads best on it, at 12.50:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.67:1 |
| White text | 12.50:1 |
Values
| HEX | #2A353F |
| RGB | rgb(42, 53, 63) |
| HSL | hsl(209, 20%, 21%) |
| OKLCH | oklch(32.3% 0.023 246) |
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 #2A353F | 12.50:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2A353F | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #2A353F text on white | 12.50:1 | AAA | Lc 98.4 | Preferred for body text |
| #2A353F 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 950.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D1DAE3
oklch(88.4% 0.016 248)
-
Step 300
300
#B3C3D2
oklch(81% 0.028 246.4)
-
Step 400
400
#8BA4BB
oklch(70.7% 0.044 246.2)
-
Step 500
500
#6E8DAA
oklch(63.1% 0.056 247)
-
Step 600
600
#557795
oklch(55.5% 0.061 245.8)
-
Step 700
700
#45647F
oklch(49% 0.057 245.6)
-
Step 800
800
#395268
oklch(42.8% 0.048 245.8)
-
Step 900
900
#314454
oklch(37.7% 0.037 244.4)
-
Step 950
950 (this color)
#2A353F
oklch(32.3% 0.023 246)
#2A353F 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) | #313540 | 0.011 |
| Deuteranopia (no green cones) | #2E333F | 0.009 |
| Tritanopia (no blue cones) | #243738 | 0.019 |
| Achromatopsia (no color) | #343434 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A353F
#2A353F
oklch(32.3% 0.023 246)
- #3C3127
#3C3127
oklch(32.2% 0.023 64.1)
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 #2A353F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.012
- Onyx #343A40 ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.029
- Midnight Green #073B4C ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.051
- Charcoal #264653 ΔE 0.057
Use #2A353F 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.