#43391D
Closest named color: Dark Olive (#373E02). oklch(34.8% 0.045 90.3), rgb(67, 57, 29).
Aa
White text reads best on this color (11.40:1).
About this color
#43391D is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.045 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.042 away. White text reads best on it, at 11.40:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.84:1 |
| White text | 11.40:1 |
Values
| HEX | #43391D |
| RGB | rgb(67, 57, 29) |
| HSL | hsl(44, 40%, 19%) |
| OKLCH | oklch(34.8% 0.045 90.3) |
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 #43391D | 11.40:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #43391D | 1.84:1 | Fails | Lc 7.6 | Not readable |
| #43391D text on white | 11.40:1 | AAA | Lc 96.3 | Preferred for body text |
| #43391D 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
#ECEAE3
oklch(93.7% 0.01 93.6)
-
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
#AEA07A
oklch(70.8% 0.055 90.2)
-
Step 500
500
#9A8858
oklch(63.1% 0.069 89.7)
-
Step 600
600
#84713D
oklch(55.5% 0.075 89.8)
-
Step 700
700
#705F2F
oklch(49.1% 0.07 90.2)
-
Step 800
800
#5B4E27
oklch(42.8% 0.059 91.4)
-
Step 900
900 (this color)
#43391D
oklch(34.8% 0.045 90.3)
-
Step 950
950
#2C2616
oklch(27.1% 0.029 89.8)
#43391D 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) | #3F381B | 0.009 |
| Deuteranopia (no green cones) | #413B1E | 0.007 |
| Tritanopia (no blue cones) | #483532 | 0.040 |
| Achromatopsia (no color) | #3A3A3A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43391D
#43391D
oklch(34.8% 0.045 90.3)
- #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 #43391D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.042
- Pakistan Green #283618 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.054
- Onyx #343A40 ΔE 0.058
- Mud Brown #60460F ΔE 0.072
- Evergreen #05472A ΔE 0.075
- Pine Green #0A481E ΔE 0.079
- Forrest Green #154406 ΔE 0.081
Use #43391D 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.