#2A3241
Closest named color: Gunmetal (#293241). oklch(31.6% 0.029 262.8), rgb(42, 50, 65).
Aa
White text reads best on this color (12.87:1).
About this color
#2A3241 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.002 away. White text reads best on it, at 12.87:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.63:1 |
| White text | 12.87:1 |
Values
| HEX | #2A3241 |
| RGB | rgb(42, 50, 65) |
| HSL | hsl(219, 21%, 21%) |
| OKLCH | oklch(31.6% 0.029 262.8) |
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 #2A3241 | 12.87:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #2A3241 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #2A3241 text on white | 12.87:1 | AAA | Lc 99.0 | Preferred for body text |
| #2A3241 text on black | 1.63:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E6
oklch(88.4% 0.019 263)
-
Step 300
300
#B5C1D8
oklch(80.9% 0.035 263.5)
-
Step 400
400
#8EA1C4
oklch(70.7% 0.056 262.6)
-
Step 500
500
#738AB5
oklch(63.2% 0.07 262.7)
-
Step 600
600
#5B73A1
oklch(55.6% 0.077 262.9)
-
Step 700
700
#4B608A
oklch(49% 0.073 263.6)
-
Step 800
800
#3E4F70
oklch(42.8% 0.059 263.1)
-
Step 900
900
#35425A
oklch(37.8% 0.045 262.4)
-
Step 950
950 (this color)
#2A3241
oklch(31.6% 0.029 262.8)
#2A3241 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) | #2D3342 | 0.006 |
| Deuteranopia (no green cones) | #2B3141 | 0.004 |
| Tritanopia (no blue cones) | #233537 | 0.026 |
| Achromatopsia (no color) | #323232 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A3241
#2A3241
oklch(31.6% 0.029 262.8)
- #393121
#393121
oklch(31.7% 0.029 84.3)
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 #2A3241, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.002
- Space Cadet #2B2D42 ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.032
- Onyx #343A40 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.041
- Midnight Green #073B4C ΔE 0.042
- Oxford Blue #1B263B ΔE 0.049
- Jet #212529 ΔE 0.058
Use #2A3241 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.