#2A3530
Closest named color: Onyx (#343A40). oklch(31.7% 0.017 166), rgb(42, 53, 48).
Aa
White text reads best on this color (12.72:1).
About this color
#2A3530 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.035 away. White text reads best on it, at 12.72:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.65:1 |
| White text | 12.72:1 |
Values
| HEX | #2A3530 |
| RGB | rgb(42, 53, 48) |
| HSL | hsl(153, 12%, 19%) |
| OKLCH | oklch(31.7% 0.017 166) |
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 #2A3530 | 12.72:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #2A3530 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #2A3530 text on white | 12.72:1 | AAA | Lc 98.8 | Preferred for body text |
| #2A3530 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
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D3DCD7
oklch(88.6% 0.012 162)
-
Step 300
300
#B5C5BD
oklch(80.9% 0.021 164.5)
-
Step 400
400
#8EA79C
oklch(70.6% 0.032 167)
-
Step 500
500
#729284
oklch(63.1% 0.042 166.5)
-
Step 600
600
#5A7C6D
oklch(55.6% 0.045 165.8)
-
Step 700
700
#4A695B
oklch(49.2% 0.043 165.1)
-
Step 800
800
#3D554B
oklch(42.7% 0.034 167.2)
-
Step 900
900
#34463E
oklch(37.6% 0.027 166)
-
Step 950
950 (this color)
#2A3530
oklch(31.7% 0.017 166)
#2A3530 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) | #343330 | 0.017 |
| Deuteranopia (no green cones) | #323230 | 0.016 |
| Tritanopia (no blue cones) | #283533 | 0.006 |
| Achromatopsia (no color) | #333333 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A3530
#2A3530
oklch(31.7% 0.017 166)
- #392F34
#392F34
oklch(31.8% 0.017 346.5)
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 #2A3530, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.035
- Gunmetal #293241 ΔE 0.036
- Pakistan Green #283618 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.050
- Midnight Green #073B4C ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.056
- Jet #212529 ΔE 0.058
Use #2A3530 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.