#3F3F22
Closest named color: Dark Olive (#373E02). oklch(36% 0.045 108.5), rgb(63, 63, 34).
Aa
White text reads best on this color (10.79:1).
About this color
#3F3F22 is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.045 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.036 away. White text reads best on it, at 10.79:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #3F3F22 |
| RGB | rgb(63, 63, 34) |
| HSL | hsl(60, 30%, 19%) |
| OKLCH | oklch(36% 0.045 108.5) |
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 #3F3F22 | 10.79:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #3F3F22 | 1.94:1 | Fails | Lc 8.9 | Not readable |
| #3F3F22 text on white | 10.79:1 | AAA | Lc 95.0 | Preferred for body text |
| #3F3F22 text on black | 1.94:1 | Fails | Lc -7.6 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#DADACC
oklch(88.5% 0.019 106.8)
-
Step 300
300
#C2C3AA
oklch(81% 0.034 109)
-
Step 400
400
#A3A47C
oklch(70.7% 0.055 108.9)
-
Step 500
500
#8D8D5B
oklch(63.1% 0.069 108.2)
-
Step 600
600
#777740
oklch(55.6% 0.076 108.6)
-
Step 700
700
#646432
oklch(49.1% 0.071 108.7)
-
Step 800
800
#52522A
oklch(42.8% 0.059 108.7)
-
Step 900
900 (this color)
#3F3F22
oklch(36% 0.045 108.5)
-
Step 950
950
#282817
oklch(27.2% 0.029 108.2)
#3F3F22 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) | #433D20 | 0.008 |
| Deuteranopia (no green cones) | #443E23 | 0.010 |
| Tritanopia (no blue cones) | #433C38 | 0.040 |
| Achromatopsia (no color) | #3D3D3D | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F3F22
#3F3F22
oklch(36% 0.045 108.5)
- #3C3954
#3C3954
oklch(36% 0.046 288.9)
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 #3F3F22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.049
- Pakistan Green #283618 ΔE 0.052
- Onyx #343A40 ΔE 0.058
- Evergreen #05472A ΔE 0.061
- Pine Green #0A481E ΔE 0.065
- Mud Brown #60460F ΔE 0.067
- Forrest Green #154406 ΔE 0.070
Use #3F3F22 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.