#3F2E2F
Closest named color: Onyx (#343A40). oklch(32.1% 0.025 14.6), rgb(63, 46, 47).
Aa
White text reads best on this color (12.77:1).
About this color
#3F2E2F is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.042 away. White text reads best on it, at 12.77:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.64:1 |
| White text | 12.77:1 |
Values
| HEX | #3F2E2F |
| RGB | rgb(63, 46, 47) |
| HSL | hsl(356, 16%, 21%) |
| OKLCH | oklch(32.1% 0.025 14.6) |
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 #3F2E2F | 12.77:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #3F2E2F | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #3F2E2F text on white | 12.77:1 | AAA | Lc 98.9 | Preferred for body text |
| #3F2E2F 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#EFE8E8
oklch(93.6% 0.008 17.3)
-
Step 200
200
#E4D5D6
oklch(88.5% 0.017 12.8)
-
Step 300
300
#D3B9BA
oklch(80.8% 0.03 15.1)
-
Step 400
400
#BC9597
oklch(70.7% 0.047 14.9)
-
Step 500
500
#AB7B7E
oklch(63.2% 0.06 14.8)
-
Step 600
600
#966367
oklch(55.5% 0.066 14.3)
-
Step 700
700
#805256
oklch(49.1% 0.062 13.9)
-
Step 800
800
#684346
oklch(42.6% 0.052 14.2)
-
Step 900
900
#55393B
oklch(37.7% 0.04 14.4)
-
Step 950
950 (this color)
#3F2E2F
oklch(32.1% 0.025 14.6)
#3F2E2F 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) | #31302F | 0.026 |
| Deuteranopia (no green cones) | #35332F | 0.024 |
| Tritanopia (no blue cones) | #422D2E | 0.006 |
| Achromatopsia (no color) | #323232 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2E2F
#3F2E2F
oklch(32.1% 0.025 14.6)
- #243737
#243737
oklch(32.1% 0.024 196)
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 #3F2E2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.042
- Gunmetal #293241 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.059
- Jet #212529 ΔE 0.067
- Pakistan Green #283618 ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.069
- Chocolate Brown #411900 ΔE 0.074
Use #3F2E2F 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.