#2B353F
Closest named color: Gunmetal (#293241). oklch(32.4% 0.022 248.5), rgb(43, 53, 63).
Aa
White text reads best on this color (12.47:1).
About this color
#2B353F is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.022. 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 12.47:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #2B353F |
| RGB | rgb(43, 53, 63) |
| HSL | hsl(210, 19%, 21%) |
| OKLCH | oklch(32.4% 0.022 248.5) |
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 #2B353F | 12.47:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2B353F | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #2B353F text on white | 12.47:1 | AAA | Lc 98.4 | Preferred for body text |
| #2B353F text on black | 1.68:1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B8C2CB
oklch(80.9% 0.017 245.1)
-
Step 400
400
#94A2B1
oklch(70.6% 0.027 250.1)
-
Step 500
500
#7A8C9E
oklch(63.2% 0.034 248.4)
-
Step 600
600
#637689
oklch(55.7% 0.037 248.5)
-
Step 700
700
#526374
oklch(49.2% 0.034 248.5)
-
Step 800
800
#43515E
oklch(42.8% 0.028 246.5)
-
Step 900
900 (this color)
#2B353F
oklch(32.4% 0.022 248.5)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#2B353F 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) | #31353F | 0.010 |
| Deuteranopia (no green cones) | #2F333F | 0.009 |
| Tritanopia (no blue cones) | #253738 | 0.019 |
| Achromatopsia (no color) | #343434 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B353F
#2B353F
oklch(32.4% 0.022 248.5)
- #3C3228
#3C3228
oklch(32.5% 0.022 66.9)
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 #2B353F, 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 0.023
- Dark Blue Grey #1F3B4D ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.029
- Midnight Green #073B4C ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.050
- Charcoal #264653 ΔE 0.057
Use #2B353F 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.