#43040F
Closest named color: Deep Brown (#410200). oklch(24.8% 0.092 18.2), rgb(67, 4, 15).
Aa
White text reads best on this color (16.62:1).
About this color
#43040F is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.092 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.022 away. White text reads best on it, at 16.62:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.26:1 |
| White text | 16.62:1 |
Values
| HEX | #43040F |
| RGB | rgb(67, 4, 15) |
| HSL | hsl(350, 89%, 14%) |
| OKLCH | oklch(24.8% 0.092 18.2) |
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 #43040F | 16.62:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #43040F | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #43040F text on white | 16.62:1 | AAA | Lc 102.6 | Preferred for body text |
| #43040F text on black | 1.26:1 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FFE2E2
oklch(93.6% 0.032 17.7)
-
Step 200
200
#FFCACA
oklch(88.5% 0.06 18.4)
-
Step 300
300
#FFA4A6
oklch(81% 0.108 18.3)
-
Step 400
400
#FA6B76
oklch(70.7% 0.175 18.1)
-
Step 500
500
#F23353
oklch(63% 0.223 18.1)
-
Step 600
600
#D6003D
oklch(55.5% 0.222 18.3)
-
Step 700
700
#B60033
oklch(49.2% 0.197 18.1)
-
Step 800
800
#960028
oklch(42.7% 0.171 18.3)
-
Step 900
900
#7D0722
oklch(37.7% 0.146 18.1)
-
Step 950
950 (this color)
#43040F
oklch(24.8% 0.092 18.2)
#43040F 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) | #17160F | 0.104 |
| Deuteranopia (no green cones) | #27230D | 0.094 |
| Tritanopia (no blue cones) | #4B0008 | 0.020 |
| Achromatopsia (no color) | #1E1E1E | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43040F
#43040F
oklch(24.8% 0.092 18.2)
- #002728
#002728
oklch(24.7% 0.042 197.4)
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 #43040F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.022
- Dark Maroon #3C0008 ΔE 0.023
- Mahogany #4A0100 ΔE 0.025
- Chocolate Brown #411900 ΔE 0.053
- Dark Plum #3F012C ΔE 0.057
- Dark Brown #341C02 ΔE 0.068
- Aubergine #3D0734 ΔE 0.069
- Eggplant #380835 ΔE 0.075
Use #43040F 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.