#2D3631
Closest named color: Onyx (#343A40). oklch(32.3% 0.015 161.2), rgb(45, 54, 49).
Aa
White text reads best on this color (12.47:1).
About this color
#2D3631 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.015. 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 12.47:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #2D3631 |
| RGB | rgb(45, 54, 49) |
| HSL | hsl(147, 9%, 19%) |
| OKLCH | oklch(32.3% 0.015 161.2) |
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 #2D3631 | 12.47:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #2D3631 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #2D3631 text on white | 12.47:1 | AAA | Lc 98.4 | Preferred for body text |
| #2D3631 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 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
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B7C4BD
oklch(80.8% 0.017 162.6)
-
Step 400
400
#92A69B
oklch(70.6% 0.027 161.6)
-
Step 500
500
#779182
oklch(63.2% 0.037 159.8)
-
Step 600
600
#5F7B6C
oklch(55.6% 0.04 161.4)
-
Step 700
700
#4E675A
oklch(49% 0.036 162)
-
Step 800
800
#40544A
oklch(42.6% 0.03 163.2)
-
Step 900
900
#37463D
oklch(37.8% 0.025 158.6)
-
Step 950
950 (this color)
#2D3631
oklch(32.3% 0.015 161.2)
#2D3631 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) | #363531 | 0.015 |
| Deuteranopia (no green cones) | #343331 | 0.015 |
| Tritanopia (no blue cones) | #2B3634 | 0.006 |
| Achromatopsia (no color) | #343434 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D3631
#2D3631
oklch(32.3% 0.015 161.2)
- #393136
#393136
oklch(32.4% 0.014 340)
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 #2D3631, 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 0.036
- Pakistan Green #283618 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.050
- Midnight Green #073B4C ΔE 0.054
- Jet #212529 ΔE 0.063
Use #2D3631 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.