#43151C
Closest named color: Mahogany (#4A0100). oklch(27.2% 0.071 14), rgb(67, 21, 28).
Aa
White text reads best on this color (15.41:1).
About this color
#43151C is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.071 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.043 away. White text reads best on it, at 15.41:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.36:1 |
| White text | 15.41:1 |
Values
| HEX | #43151C |
| RGB | rgb(67, 21, 28) |
| HSL | hsl(351, 52%, 17%) |
| OKLCH | oklch(27.2% 0.071 14) |
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 #43151C | 15.41:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #43151C | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #43151C text on white | 15.41:1 | AAA | Lc 101.9 | Preferred for body text |
| #43151C 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E5
oklch(93.7% 0.024 14.4)
-
Step 200
200
#F7CDD0
oklch(88.5% 0.048 13.2)
-
Step 300
300
#F2ABB0
oklch(81% 0.084 14.4)
-
Step 400
400
#E87A87
oklch(70.7% 0.136 13.7)
-
Step 500
500
#DD5369
oklch(63.1% 0.172 14)
-
Step 600
600
#C83051
oklch(55.5% 0.187 13.8)
-
Step 700
700
#AD2042
oklch(49.1% 0.175 13.8)
-
Step 800
800
#8C1F36
oklch(42.7% 0.144 14.1)
-
Step 900
900
#71212F
oklch(37.8% 0.112 14.1)
-
Step 950
950 (this color)
#43151C
oklch(27.2% 0.071 14)
#43151C 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) | #1F1F1C | 0.079 |
| Deuteranopia (no green cones) | #2B281B | 0.072 |
| Tritanopia (no blue cones) | #4A0E18 | 0.018 |
| Achromatopsia (no color) | #252525 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43151C
#43151C
oklch(27.2% 0.071 14)
- #002E2D
#002E2D
oklch(27.2% 0.047 192.5)
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 #43151C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.043
- Chocolate Brown #411900 ΔE 0.043
- Deep Brown #410200 ΔE 0.047
- Dark Maroon #3C0008 ΔE 0.051
- Dark Brown #341C02 ΔE 0.059
- Dark Plum #3F012C ΔE 0.059
- Aubergine #3D0734 ΔE 0.064
- Eggplant #380835 ΔE 0.070
Use #43151C 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.