#2B3533
Closest named color: Onyx (#343A40). oklch(31.9% 0.014 181.9), rgb(43, 53, 51).
Aa
White text reads best on this color (12.65:1).
About this color
#2B3533 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.030 away. White text reads best on it, at 12.65:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.65:1 |
| White text | 12.65:1 |
Values
| HEX | #2B3533 |
| RGB | rgb(43, 53, 51) |
| HSL | hsl(168, 10%, 19%) |
| OKLCH | oklch(31.9% 0.014 181.9) |
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 #2B3533 | 12.65:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #2B3533 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #2B3533 text on white | 12.65:1 | AAA | Lc 98.7 | Preferred for body text |
| #2B3533 text on black | 1.65:1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B6C4C1
oklch(80.9% 0.016 181.7)
-
Step 400
400
#8FA6A2
oklch(70.6% 0.026 183.9)
-
Step 500
500
#73918B
oklch(63.2% 0.035 181.6)
-
Step 600
600
#5C7B75
oklch(55.7% 0.037 181.7)
-
Step 700
700
#4B6762
oklch(49% 0.034 182.7)
-
Step 800
800
#3E5450
oklch(42.6% 0.028 182.6)
-
Step 900
900
#354642
oklch(37.8% 0.023 179)
-
Step 950
950 (this color)
#2B3533
oklch(31.9% 0.014 181.9)
#2B3533 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) | #343433 | 0.015 |
| Deuteranopia (no green cones) | #323233 | 0.015 |
| Tritanopia (no blue cones) | #283534 | 0.005 |
| Achromatopsia (no color) | #333333 | 0.014 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B3533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.030
- Gunmetal #293241 ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.045
- Pakistan Green #283618 ΔE 0.046
- Midnight Green #073B4C ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.053
- Jet #212529 ΔE 0.058
Use #2B3533 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.