#3F2E36
Closest named color: Onyx (#343A40). oklch(32.4% 0.028 348.9), rgb(63, 46, 54).
Aa
White text reads best on this color (12.68:1).
About this color
#3F2E36 is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.040 away. White text reads best on it, at 12.68:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #3F2E36 |
| RGB | rgb(63, 46, 54) |
| HSL | hsl(332, 16%, 21%) |
| OKLCH | oklch(32.4% 0.028 348.9) |
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 #3F2E36 | 12.68:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #3F2E36 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #3F2E36 text on white | 12.68:1 | AAA | Lc 98.7 | Preferred for body text |
| #3F2E36 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 900.
-
Step 50
50
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EA
oklch(93.5% 0.006 350.8)
-
Step 200
200
#DFD6DA
oklch(88.4% 0.011 348.5)
-
Step 300
300
#CCBBC3
oklch(80.9% 0.022 347.4)
-
Step 400
400
#B298A4
oklch(70.7% 0.035 348.5)
-
Step 500
500
#9E7F8E
oklch(63% 0.043 347.7)
-
Step 600
600
#896878
oklch(55.5% 0.048 348.1)
-
Step 700
700
#745765
oklch(49.1% 0.043 348.3)
-
Step 800
800
#5E4752
oklch(42.6% 0.036 348.4)
-
Step 900
900 (this color)
#3F2E36
oklch(32.4% 0.028 348.9)
-
Step 950
950
#2D2328
oklch(27% 0.017 346.8)
#3F2E36 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) | #2F3136 | 0.030 |
| Deuteranopia (no green cones) | #333436 | 0.028 |
| Tritanopia (no blue cones) | #422E31 | 0.010 |
| Achromatopsia (no color) | #333333 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2E36
#3F2E36
oklch(32.4% 0.028 348.9)
- #253931
#253931
oklch(32.5% 0.029 167.7)
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 #3F2E36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.040
- Gunmetal #293241 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.064
- Jet #212529 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.073
- Prussian Blue #1D3557 ΔE 0.074
Use #3F2E36 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.