#43391C
Closest named color: Dark Olive (#373E02). oklch(34.8% 0.047 90.9), rgb(67, 57, 28).
Aa
White text reads best on this color (11.40:1).
About this color
#43391C is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.047 and its hue 91°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.041 away. White text reads best on it, at 11.40:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.84:1 |
| White text | 11.40:1 |
Values
| HEX | #43391C |
| RGB | rgb(67, 57, 28) |
| HSL | hsl(45, 41%, 19%) |
| OKLCH | oklch(34.8% 0.047 90.9) |
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 #43391C | 11.40:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #43391C | 1.84:1 | Fails | Lc 7.6 | Not readable |
| #43391C text on white | 11.40:1 | AAA | Lc 96.3 | Preferred for body text |
| #43391C text on black | 1.84:1 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE2
oklch(93.6% 0.011 95.2)
-
Step 200
200
#DED9CB
oklch(88.5% 0.02 90.6)
-
Step 300
300
#C9C0A8
oklch(80.9% 0.034 89.9)
-
Step 400
400
#AEA079
oklch(70.8% 0.056 90.6)
-
Step 500
500
#9A8856
oklch(63.1% 0.071 90.4)
-
Step 600
600
#84723B
oklch(55.7% 0.077 91.6)
-
Step 700
700
#705F2D
oklch(49.1% 0.072 90.8)
-
Step 800
800
#5B4E26
oklch(42.7% 0.06 91.7)
-
Step 900
900 (this color)
#43391C
oklch(34.8% 0.047 90.9)
-
Step 950
950
#2C2615
oklch(27% 0.03 90.8)
#43391C 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) | #3F381A | 0.009 |
| Deuteranopia (no green cones) | #413B1D | 0.007 |
| Tritanopia (no blue cones) | #483532 | 0.042 |
| Achromatopsia (no color) | #3A3A3A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43391C
#43391C
oklch(34.8% 0.047 90.9)
- #313952
#313952
oklch(34.9% 0.045 270.3)
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 #43391C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.041
- Pakistan Green #283618 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.056
- Onyx #343A40 ΔE 0.059
- Mud Brown #60460F ΔE 0.072
- Evergreen #05472A ΔE 0.075
- Pine Green #0A481E ΔE 0.079
- Forrest Green #154406 ΔE 0.080
Use #43391C 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.