#3F2F29
Closest named color: Onyx (#343A40). oklch(32.1% 0.026 41.5), rgb(63, 47, 41).
Aa
White text reads best on this color (12.72:1).
About this color
#3F2F29 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.045 away. White text reads best on it, at 12.72:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.64:1 |
| White text | 12.72:1 |
Values
| HEX | #3F2F29 |
| RGB | rgb(63, 47, 41) |
| HSL | hsl(16, 21%, 20%) |
| OKLCH | oklch(32.1% 0.026 41.5) |
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 #3F2F29 | 12.72:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #3F2F29 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #3F2F29 text on white | 12.72:1 | AAA | Lc 98.8 | Preferred for body text |
| #3F2F29 text on black | 1.64:1 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E4D6D1
oklch(88.6% 0.017 40.8)
-
Step 300
300
#D3BBB2
oklch(81% 0.03 41.7)
-
Step 400
400
#BC9789
oklch(70.7% 0.049 41.7)
-
Step 500
500
#AB7D6C
oklch(63.1% 0.063 41.2)
-
Step 600
600
#966654
oklch(55.6% 0.068 41.4)
-
Step 700
700
#805544
oklch(49.2% 0.063 42.4)
-
Step 800
800
#684538
oklch(42.6% 0.053 41.2)
-
Step 900
900
#553A31
oklch(37.7% 0.042 39.2)
-
Step 950
950 (this color)
#3F2F29
oklch(32.1% 0.026 41.5)
#3F2F29 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) | #333129 | 0.023 |
| Deuteranopia (no green cones) | #373429 | 0.021 |
| Tritanopia (no blue cones) | #432D2D | 0.013 |
| Achromatopsia (no color) | #333333 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2F29
#3F2F29
oklch(32.1% 0.026 41.5)
- #24363D
#24363D
oklch(32% 0.026 224.1)
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 #3F2F29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.045
- Gunmetal #293241 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.058
- Pakistan Green #283618 ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.059
- Jet #212529 ΔE 0.069
- Chocolate Brown #411900 ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.074
Use #3F2F29 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.