#2B3239
Closest named color: Gunmetal (#293241). oklch(31.3% 0.016 248.3), rgb(43, 50, 57).
Aa
White text reads best on this color (12.97:1).
About this color
#2B3239 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.015 away. White text reads best on it, at 12.97:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #2B3239 |
| RGB | rgb(43, 50, 57) |
| HSL | hsl(210, 14%, 20%) |
| OKLCH | oklch(31.3% 0.016 248.3) |
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 #2B3239 | 12.97:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #2B3239 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #2B3239 text on white | 12.97:1 | AAA | Lc 99.2 | Preferred for body text |
| #2B3239 text on black | 1.61:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CC
oklch(80.9% 0.018 248)
-
Step 400
400
#92A3B3
oklch(70.7% 0.03 246.6)
-
Step 500
500
#788CA0
oklch(63.1% 0.038 248.4)
-
Step 600
600
#60768B
oklch(55.6% 0.042 247.4)
-
Step 700
700
#506376
oklch(49.1% 0.038 248.6)
-
Step 800
800
#415160
oklch(42.7% 0.032 246.9)
-
Step 900
900
#37434F
oklch(37.7% 0.026 248.5)
-
Step 950
950 (this color)
#2B3239
oklch(31.3% 0.016 248.3)
#2B3239 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) | #2F3239 | 0.007 |
| Deuteranopia (no green cones) | #2E3139 | 0.006 |
| Tritanopia (no blue cones) | #273434 | 0.015 |
| Achromatopsia (no color) | #313131 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B3239
#2B3239
oklch(31.3% 0.016 248.3)
- #373029
#373029
oklch(31.4% 0.016 67.2)
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 #2B3239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.015
- Space Cadet #2B2D42 ΔE 0.027
- Onyx #343A40 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.040
- Midnight Green #073B4C ΔE 0.047
- Jet #212529 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.054
Use #2B3239 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.