#43151F
Closest named color: Mahogany (#4A0100). oklch(27.3% 0.072 9.9), rgb(67, 21, 31).
Aa
White text reads best on this color (15.37:1).
About this color
#43151F is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.072 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.047 away. White text reads best on it, at 15.37:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.36:1 |
| White text | 15.37:1 |
Values
| HEX | #43151F |
| RGB | rgb(67, 21, 31) |
| HSL | hsl(347, 52%, 17%) |
| OKLCH | oklch(27.3% 0.072 9.9) |
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 #43151F | 15.37:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #43151F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #43151F text on white | 15.37:1 | AAA | Lc 101.9 | Preferred for body text |
| #43151F text on black | 1.36:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE4E6
oklch(93.7% 0.024 11.3)
-
Step 200
200
#F6CDD2
oklch(88.5% 0.047 9.8)
-
Step 300
300
#F1AAB4
oklch(80.8% 0.084 9.8)
-
Step 400
400
#E77A8D
oklch(70.7% 0.135 10.1)
-
Step 500
500
#DC5271
oklch(63% 0.173 9.9)
-
Step 600
600
#C82F5A
oklch(55.6% 0.189 9.8)
-
Step 700
700
#AC204A
oklch(49.1% 0.175 9.8)
-
Step 800
800
#8C1E3D
oklch(42.8% 0.145 9.8)
-
Step 900
900
#702034
oklch(37.6% 0.113 9.5)
-
Step 950
950 (this color)
#43151F
oklch(27.3% 0.072 9.9)
#43151F 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) | #1F1F1F | 0.079 |
| Deuteranopia (no green cones) | #2B281E | 0.072 |
| Tritanopia (no blue cones) | #490F19 | 0.017 |
| Achromatopsia (no color) | #252525 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43151F
#43151F
oklch(27.3% 0.072 9.9)
- #002E2C
#002E2C
oklch(27.2% 0.047 190.2)
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 #43151F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.047
- Chocolate Brown #411900 ΔE 0.049
- Deep Brown #410200 ΔE 0.051
- Dark Maroon #3C0008 ΔE 0.053
- Dark Plum #3F012C ΔE 0.055
- Aubergine #3D0734 ΔE 0.059
- Dark Brown #341C02 ΔE 0.063
- Eggplant #380835 ΔE 0.066
Use #43151F 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.