#43371F
Closest named color: Dark Olive (#373E02). oklch(34.3% 0.041 83.8), rgb(67, 55, 31).
Aa
White text reads best on this color (11.63:1).
About this color
#43371F is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.041 and its hue 84°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.049 away. White text reads best on it, at 11.63:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.80:1 |
| White text | 11.63:1 |
Values
| HEX | #43371F |
| RGB | rgb(67, 55, 31) |
| HSL | hsl(40, 37%, 19%) |
| OKLCH | oklch(34.3% 0.041 83.8) |
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 #43371F | 11.63:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #43371F | 1.80:1 | Fails | Lc 0.0 | Not readable |
| #43371F text on white | 11.63:1 | AAA | Lc 96.7 | Preferred for body text |
| #43371F text on black | 1.80:1 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#DED8CD
oklch(88.4% 0.016 82.8)
-
Step 300
300
#CABFAB
oklch(80.8% 0.03 82.6)
-
Step 400
400
#AF9E7E
oklch(70.6% 0.049 83.2)
-
Step 500
500
#9C875D
oklch(63.2% 0.063 84.2)
-
Step 600
600
#877043
oklch(55.7% 0.069 83.2)
-
Step 700
700
#725E34
oklch(49.2% 0.065 84.6)
-
Step 800
800
#5D4D2C
oklch(42.8% 0.053 84.4)
-
Step 900
900 (this color)
#43371F
oklch(34.3% 0.041 83.8)
-
Step 950
950
#2D2518
oklch(27% 0.025 79.4)
#43371F 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) | #3D371D | 0.012 |
| Deuteranopia (no green cones) | #3F3A20 | 0.011 |
| Tritanopia (no blue cones) | #483331 | 0.037 |
| Achromatopsia (no color) | #393939 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43371F
#43371F
oklch(34.3% 0.041 83.8)
- #2E394F
#2E394F
oklch(34.5% 0.042 263.8)
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 #43371F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.049
- Pakistan Green #283618 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.054
- Onyx #343A40 ΔE 0.054
- Gunmetal #293241 ΔE 0.076
- Mud Brown #60460F ΔE 0.078
- Evergreen #05472A ΔE 0.079
- Pine Green #0A481E ΔE 0.085
Use #43371F 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.