#43181D
Closest named color: Chocolate Brown (#411900). oklch(27.7% 0.067 15.4), rgb(67, 24, 29).
Aa
White text reads best on this color (15.14:1).
About this color
#43181D is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.067 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.041 away. White text reads best on it, at 15.14:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.38:1 |
| White text | 15.14:1 |
Values
| HEX | #43181D |
| RGB | rgb(67, 24, 29) |
| HSL | hsl(353, 47%, 18%) |
| OKLCH | oklch(27.7% 0.067 15.4) |
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 #43181D | 15.14:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #43181D | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #43181D text on white | 15.14:1 | AAA | Lc 101.7 | Preferred for body text |
| #43181D text on black | 1.38:1 | 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 950.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CED0
oklch(88.5% 0.044 14.5)
-
Step 300
300
#EFACB0
oklch(80.9% 0.079 15)
-
Step 400
400
#E47E86
oklch(70.7% 0.126 15.8)
-
Step 500
500
#D95869
oklch(63.1% 0.162 15.1)
-
Step 600
600
#C43950
oklch(55.6% 0.175 15.6)
-
Step 700
700
#A92941
oklch(49.1% 0.163 15.4)
-
Step 800
800
#892436
oklch(42.6% 0.135 15)
-
Step 900
900
#6E242F
oklch(37.6% 0.105 14.9)
-
Step 950
950 (this color)
#43181D
oklch(27.7% 0.067 15.4)
#43181D 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) | #22211D | 0.072 |
| Deuteranopia (no green cones) | #2C291C | 0.067 |
| Tritanopia (no blue cones) | #4A121A | 0.018 |
| Achromatopsia (no color) | #262626 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43181D
#43181D
oklch(27.7% 0.067 15.4)
- #002F2F
#002F2F
oklch(27.6% 0.047 194.8)
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 #43181D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.041
- Mahogany #4A0100 ΔE 0.047
- Deep Brown #410200 ΔE 0.052
- Dark Brown #341C02 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.057
- Dark Plum #3F012C ΔE 0.065
- Aubergine #3D0734 ΔE 0.068
- Burgundy #610023 ΔE 0.071
Use #43181D 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.