#2C3631
Closest named color: Onyx (#343A40). oklch(32.2% 0.016 163.8), rgb(44, 54, 49).
Aa
White text reads best on this color (12.50:1).
About this color
#2C3631 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.031 away. White text reads best on it, at 12.50:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.67:1 |
| White text | 12.50:1 |
Values
| HEX | #2C3631 |
| RGB | rgb(44, 54, 49) |
| HSL | hsl(150, 10%, 19%) |
| OKLCH | oklch(32.2% 0.016 163.8) |
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 #2C3631 | 12.50:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2C3631 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #2C3631 text on white | 12.50:1 | AAA | Lc 98.4 | Preferred for body text |
| #2C3631 text on black | 1.67:1 | 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
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD7
oklch(88.4% 0.01 164.8)
-
Step 300
300
#B6C5BD
oklch(81% 0.02 162.8)
-
Step 400
400
#90A79B
oklch(70.7% 0.031 162.9)
-
Step 500
500
#749183
oklch(63% 0.039 164.3)
-
Step 600
600
#5D7B6D
oklch(55.5% 0.041 164.7)
-
Step 700
700
#4C685B
oklch(49.1% 0.039 164.6)
-
Step 800
800
#3F554A
oklch(42.8% 0.033 163)
-
Step 900
900
#35463E
oklch(37.7% 0.026 164.7)
-
Step 950
950 (this color)
#2C3631
oklch(32.2% 0.016 163.8)
#2C3631 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) | #363431 | 0.017 |
| Deuteranopia (no green cones) | #343331 | 0.016 |
| Tritanopia (no blue cones) | #2A3634 | 0.006 |
| Achromatopsia (no color) | #343434 | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C3631
#2C3631
oklch(32.2% 0.016 163.8)
- #3A3035
#3A3035
oklch(32.2% 0.017 346.4)
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 #2C3631, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.031
- Gunmetal #293241 ΔE 0.036
- Pakistan Green #283618 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.051
- Midnight Green #073B4C ΔE 0.054
- Jet #212529 ΔE 0.062
Use #2C3631 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.