#3A3129
Closest named color: Onyx (#343A40). oklch(32% 0.019 63.7), rgb(58, 49, 41).
Aa
White text reads best on this color (12.71:1).
About this color
#3A3129 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.041 away. White text reads best on it, at 12.71:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.65:1 |
| White text | 12.71:1 |
Values
| HEX | #3A3129 |
| RGB | rgb(58, 49, 41) |
| HSL | hsl(28, 17%, 19%) |
| OKLCH | oklch(32% 0.019 63.7) |
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 #3A3129 | 12.71:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #3A3129 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #3A3129 text on white | 12.71:1 | AAA | Lc 98.8 | Preferred for body text |
| #3A3129 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E5
oklch(93.6% 0.007 67.7)
-
Step 200
200
#DFD8D1
oklch(88.6% 0.012 67.7)
-
Step 300
300
#CBBEB2
oklch(80.9% 0.022 65.3)
-
Step 400
400
#B19C8A
oklch(70.6% 0.036 62.8)
-
Step 500
500
#9E846D
oklch(63.1% 0.046 63.3)
-
Step 600
600
#886D55
oklch(55.5% 0.049 63.2)
-
Step 700
700
#745B45
oklch(49.1% 0.047 62.8)
-
Step 800
800
#5E4B39
oklch(42.8% 0.038 65)
-
Step 900
900
#4D3E31
oklch(37.6% 0.03 62.6)
-
Step 950
950 (this color)
#3A3129
oklch(32% 0.019 63.7)
#3A3129 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) | #343128 | 0.011 |
| Deuteranopia (no green cones) | #363329 | 0.009 |
| Tritanopia (no blue cones) | #3D2F2F | 0.015 |
| Achromatopsia (no color) | #333333 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A3129
#3A3129
oklch(32% 0.019 63.7)
- #2B343C
#2B343C
oklch(32% 0.019 245.3)
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 #3A3129, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.041
- Gunmetal #293241 ΔE 0.048
- Pakistan Green #283618 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.057
- Jet #212529 ΔE 0.065
- Dark Blue Grey #1F3B4D ΔE 0.068
- Dark Olive #373E02 ΔE 0.073
Use #3A3129 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.