#3B421F
Closest named color: Dark Olive (#373E02). oklch(36.3% 0.055 118.5), rgb(59, 66, 31).
Aa
White text reads best on this color (10.57:1).
About this color
#3B421F is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.055 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.029 away. White text reads best on it, at 10.57:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.98:1 |
| White text | 10.57:1 |
Values
| HEX | #3B421F |
| RGB | rgb(59, 66, 31) |
| HSL | hsl(72, 36%, 19%) |
| OKLCH | oklch(36.3% 0.055 118.5) |
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 #3B421F | 10.57:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #3B421F | 1.98:1 | Fails | Lc 9.4 | Not readable |
| #3B421F text on white | 10.57:1 | AAA | Lc 94.5 | Preferred for body text |
| #3B421F text on black | 1.98:1 | Fails | Lc -8.1 | 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
#E9EBE2
oklch(93.6% 0.012 116.8)
-
Step 200
200
#D7DBCB
oklch(88.4% 0.022 118.3)
-
Step 300
300
#BDC5A7
oklch(80.9% 0.042 119.5)
-
Step 400
400
#9CA778
oklch(70.8% 0.066 118.8)
-
Step 500
500
#849154
oklch(63.1% 0.085 118.8)
-
Step 600
600
#6E7B39
oklch(55.7% 0.092 118.7)
-
Step 700
700
#5C672B
oklch(49% 0.085 118.3)
-
Step 800
800
#4B5425
oklch(42.6% 0.07 118.4)
-
Step 900
900 (this color)
#3B421F
oklch(36.3% 0.055 118.5)
-
Step 950
950
#252915
oklch(27.1% 0.035 118)
#3B421F 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) | #463F1C | 0.019 |
| Deuteranopia (no green cones) | #453F21 | 0.020 |
| Tritanopia (no blue cones) | #3E3F3A | 0.047 |
| Achromatopsia (no color) | #3F3F3F | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B421F
#3B421F
oklch(36.3% 0.055 118.5)
- #423757
#423757
oklch(36.3% 0.056 299.4)
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 #3B421F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.029
- Evergreen #05472A ΔE 0.052
- Pakistan Green #283618 ΔE 0.053
- Pine Green #0A481E ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.056
- Forrest Green #154406 ΔE 0.059
- Navy Green #35530A ΔE 0.064
- Green Brown #544E03 ΔE 0.064
Use #3B421F 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.