#3F2E28
Closest named color: Onyx (#343A40). oklch(31.9% 0.027 40.3), rgb(63, 46, 40).
Aa
White text reads best on this color (12.86:1).
About this color
#3F2E28 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.047 away. White text reads best on it, at 12.86:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #3F2E28 |
| RGB | rgb(63, 46, 40) |
| HSL | hsl(16, 22%, 20%) |
| OKLCH | oklch(31.9% 0.027 40.3) |
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 #3F2E28 | 12.86:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #3F2E28 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #3F2E28 text on white | 12.86:1 | AAA | Lc 99.0 | Preferred for body text |
| #3F2E28 text on black | 1.63:1 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E4D5D0
oklch(88.4% 0.018 39.4)
-
Step 300
300
#D4BAB1
oklch(80.9% 0.032 40.1)
-
Step 400
400
#BE9688
oklch(70.6% 0.052 40.2)
-
Step 500
500
#AD7C6B
oklch(63.1% 0.067 39.9)
-
Step 600
600
#986553
oklch(55.7% 0.072 40.2)
-
Step 700
700
#815443
oklch(49.1% 0.066 41.5)
-
Step 800
800
#694538
oklch(42.8% 0.054 40.6)
-
Step 900
900
#563A30
oklch(37.8% 0.043 40.5)
-
Step 950
950 (this color)
#3F2E28
oklch(31.9% 0.027 40.3)
#3F2E28 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) | #323028 | 0.025 |
| Deuteranopia (no green cones) | #363328 | 0.022 |
| Tritanopia (no blue cones) | #432B2C | 0.015 |
| Achromatopsia (no color) | #323232 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2E28
#3F2E28
oklch(31.9% 0.027 40.3)
- #23363C
#23363C
oklch(31.9% 0.027 219.5)
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 #3F2E28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.047
- Gunmetal #293241 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.059
- Pakistan Green #283618 ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.067
- Jet #212529 ΔE 0.067
- Dark Brown #341C02 ΔE 0.072
Use #3F2E28 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.